You searched for subject:(solar energy).
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1.
ZHANG, SHAN.
Analytical system for photovoltaic and concentratingsolar power generation.
Degree: Energy and Environmental Engineering, 2013, University of Gävle
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-16174 
► Energy is the material foundation of human survival and development. Throughout human industrialization process, the fossil energy has made tremendous contributions in the progress…
(more)
▼ Energy is the material foundation of human survival and development. Throughout human industrialization process, the fossil energy has made tremendous contributions in the progress of human civilization, economic and social development. For a long time, the development of human energy use patterns makes fossil fuels rapidly depleted and the consequences of environmental deterioration by this pattern lead to the severe challenge for mankind. Many countries start paying more attention to develop the new energy. The solar electricity production system is one of the main new energy power generations. The thesis is a guide of principle for solar power generation system. It focuses on comparisons between photovoltaic and concentrating solar power generations and analysis of their market prospects. The merits and demerits of these two systems will also be pointed out in this thesis.
Subjects/Keywords: Solar energy
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APA (6th Edition):
ZHANG, S. (2013). Analytical system for photovoltaic and concentratingsolar power generation. (Thesis). University of Gävle. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-16174
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
ZHANG, SHAN. “Analytical system for photovoltaic and concentratingsolar power generation.” 2013. Thesis, University of Gävle. Accessed February 27, 2020.
http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-16174.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
ZHANG, SHAN. “Analytical system for photovoltaic and concentratingsolar power generation.” 2013. Web. 27 Feb 2020.
Vancouver:
ZHANG S. Analytical system for photovoltaic and concentratingsolar power generation. [Internet] [Thesis]. University of Gävle; 2013. [cited 2020 Feb 27].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-16174.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
ZHANG S. Analytical system for photovoltaic and concentratingsolar power generation. [Thesis]. University of Gävle; 2013. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-16174
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Nairobi
2.
Musembi, Robinson, J.
Fabrication and characterization of in(oh)xsy modified highly structured tio2/pb(oh)xsy/pedot:pss eta solar cell and study of its transport mechanisms
.
Degree: 2009, University of Nairobi
URL: http://hdl.handle.net/11295/6441
► Light soaking has been found to improve photovoltaic parameters of eta solar cell and those of devices with reduced number of layers. The study forms…
(more)
▼ Light soaking has been found to improve photovoltaic parameters of eta solar cell and those of devices with reduced number of layers. The study forms a basis for; understanding fundamental technologies in solar cell fabrication and characterization which is important for knowledge base and capacity building in area of photovoltaics; and possibility of developing new materials through interfacial diffusion when materials are deposited by either chemical bath deposition SILAR techniques.
Subjects/Keywords: Solar Cell;
Solar Energy;
Physics
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APA (6th Edition):
Musembi, Robinson, J. (2009). Fabrication and characterization of in(oh)xsy modified highly structured tio2/pb(oh)xsy/pedot:pss eta solar cell and study of its transport mechanisms
. (Thesis). University of Nairobi. Retrieved from http://hdl.handle.net/11295/6441
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Musembi, Robinson, J. “Fabrication and characterization of in(oh)xsy modified highly structured tio2/pb(oh)xsy/pedot:pss eta solar cell and study of its transport mechanisms
.” 2009. Thesis, University of Nairobi. Accessed February 27, 2020.
http://hdl.handle.net/11295/6441.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Musembi, Robinson, J. “Fabrication and characterization of in(oh)xsy modified highly structured tio2/pb(oh)xsy/pedot:pss eta solar cell and study of its transport mechanisms
.” 2009. Web. 27 Feb 2020.
Vancouver:
Musembi, Robinson J. Fabrication and characterization of in(oh)xsy modified highly structured tio2/pb(oh)xsy/pedot:pss eta solar cell and study of its transport mechanisms
. [Internet] [Thesis]. University of Nairobi; 2009. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/11295/6441.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Musembi, Robinson J. Fabrication and characterization of in(oh)xsy modified highly structured tio2/pb(oh)xsy/pedot:pss eta solar cell and study of its transport mechanisms
. [Thesis]. University of Nairobi; 2009. Available from: http://hdl.handle.net/11295/6441
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
3.
Antonyraj, Gnananesan.
Economic analysis of solar assisted absorption chiller for a commercial building.
Degree: 2012, University of Tennessee – Chattanooga
URL: https://scholar.utc.edu/theses/4
► Dwindling fossil fuels coupled with changes in global climate intensified the drive to make use of renewable energy resources that have negligible impact on the…
(more)
▼ Dwindling fossil fuels coupled with changes in global climate intensified the drive to make use of renewable
energy resources that have negligible impact on the environment. In this attempt, the industrial community produced various devices and systems to make use of
solar energy for heating and cooling of building space as well as generate electric power. The most common components employed for collection of
solar energy are the flat plate and evacuated tube collectors that produce hot water that can be employed for heating the building space.
In order to cool the building, the absorption chiller is commonly employed that requires hot water at high temperatures for its operation. This thesis deals with economic analysis of
solar collector and absorption cooling system to meet the building loads of a commercial building located in Chattanooga, Tennessee. Computer simulations are employed to predict the hourly building loads and performance of the flat plate and evacuated tube
solar collectors using the hourly weather data. The key variables affecting the economic evaluation of such system are identified and the influence of these parameters is presented. The results of this investigation show that the flat plate
solar collectors yield lower payback period compared to the evacuated tube collectors and economic incentives offered by the local and federal agencies play a major role in lowering the payback period.
Advisors/Committee Members: Dhamshala, Prakash R., McDonald, Gary, Jones, Michael, College of Engineering and Computer Science.
Subjects/Keywords: Solar energy; Solar collectors
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APA (6th Edition):
Antonyraj, G. (2012). Economic analysis of solar assisted absorption chiller for a commercial building. (Thesis). University of Tennessee – Chattanooga. Retrieved from https://scholar.utc.edu/theses/4
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Antonyraj, Gnananesan. “Economic analysis of solar assisted absorption chiller for a commercial building.” 2012. Thesis, University of Tennessee – Chattanooga. Accessed February 27, 2020.
https://scholar.utc.edu/theses/4.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Antonyraj, Gnananesan. “Economic analysis of solar assisted absorption chiller for a commercial building.” 2012. Web. 27 Feb 2020.
Vancouver:
Antonyraj G. Economic analysis of solar assisted absorption chiller for a commercial building. [Internet] [Thesis]. University of Tennessee – Chattanooga; 2012. [cited 2020 Feb 27].
Available from: https://scholar.utc.edu/theses/4.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Antonyraj G. Economic analysis of solar assisted absorption chiller for a commercial building. [Thesis]. University of Tennessee – Chattanooga; 2012. Available from: https://scholar.utc.edu/theses/4
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
4.
Kalonga, Given.
Optimization and characterization of Organic Solar cells based on Regio-P3HT and C66-PCBM blends.
Degree: 2012, University of Zimbabwe
URL: http://dspace.unza.zm/handle/123456789/1075
► Bulk Hetero-Junction - (BHJ) - Organic photovoltaic (OPV) cells based on the conjugated polymer poly (3-hexylthiophene-2, 5- diyl) (region-P3HT) also referred to as P3HT and…
(more)
▼ Bulk Hetero-Junction - (BHJ) - Organic photovoltaic (OPV) cells based on the conjugated polymer poly (3-hexylthiophene-2, 5- diyl) (region-P3HT) also referred to as P3HT and a fullerene derivative [6, 6] Phenyl-C61-butyric acid methyl ester (C60-PCBM) also referred to as PCBM. The optimization, realization and characterization of these cells were done on both glass and aluminium substrates. The aluminium provided a flexible substrate for the cells whilst the glass provided a rigid substrate and acted as a control. The thin films for the solar cells were deposited by means of the spin coating method.
The integrity of the starting materials were evaluated using Fourier Transform infra-red (FTIR) and x-ray diffraction (XRD) spectroscopy whilst the particle size and distribution, were examined using XRD spectroscopy and transmission electron microscopy (TEM). The electrical characterization was done using a 4-point probe and gas sensing methods. The morphology and roughness of the local composition of TiO2 thin films before and after annealing were evaluation by means of atomic force microscopy (AFM).
The study eventually evaluated the effects of blend ratio and annealing temperature on photo-absorption of the blends. Blend ratios examined in the study fell within the range of 1:0.8 to 1:1 by weight of P3HT to PCBM. The range was divided into 11 intervals with a step increment of 0.02 for PCBM while P3HT was kept constant. The optimum blend ratio was determined and found to be 1:0.96 at 130 °C annealing temperature and duration of 30 minutes. The annealing temperature dependence of each blend ratio with respect to photon-absorbance was found not to be symmetric but random. Each blend ratio was found to have own optimum annealing temperature.
The efficiency of the cells was enhanced by the use of TiO2 thin film as a back reflector and optical spacer on aluminium substrate. The study compared the performance of cells on glass substrate to those on aluminium substrate. The cells built on aluminium substrate showed a power conversion efficiency of 2.8 % whilst those on glass substrate showed 1.9 % efficiency.
The main objective of the study was to determine the optimum blend ratio, the optimum annealing temperature, and to eventually build solar cells from the optimized parameters.
Subjects/Keywords: Solar cells; Solar energy; Solar Battery
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APA ·
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APA (6th Edition):
Kalonga, G. (2012). Optimization and characterization of Organic Solar cells based on Regio-P3HT and C66-PCBM blends. (Thesis). University of Zimbabwe. Retrieved from http://dspace.unza.zm/handle/123456789/1075
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Kalonga, Given. “Optimization and characterization of Organic Solar cells based on Regio-P3HT and C66-PCBM blends.” 2012. Thesis, University of Zimbabwe. Accessed February 27, 2020.
http://dspace.unza.zm/handle/123456789/1075.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Kalonga, Given. “Optimization and characterization of Organic Solar cells based on Regio-P3HT and C66-PCBM blends.” 2012. Web. 27 Feb 2020.
Vancouver:
Kalonga G. Optimization and characterization of Organic Solar cells based on Regio-P3HT and C66-PCBM blends. [Internet] [Thesis]. University of Zimbabwe; 2012. [cited 2020 Feb 27].
Available from: http://dspace.unza.zm/handle/123456789/1075.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Kalonga G. Optimization and characterization of Organic Solar cells based on Regio-P3HT and C66-PCBM blends. [Thesis]. University of Zimbabwe; 2012. Available from: http://dspace.unza.zm/handle/123456789/1075
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Victoria University of Wellington
5.
Jagersma, Ben.
The 10 Day Bach: A Net Zero Home.
Degree: 2012, Victoria University of Wellington
URL: http://hdl.handle.net/10063/2453
► Held every two years in Washington DC and run by the US Department of Energy the Solar Decathlon is a competition that challenges architecture and…
(more)
▼ Held every two years in Washington DC and run by the US Department of
Energy the
Solar Decathlon is a competition that challenges architecture
and engineering students from all over the world to come up with new and
innovative ways to design and construct low
energy homes. For the first
time in the competition’s history a team from New Zealand was selected
to compete in the 2011 competition. This thesis documents the design
process of the First Light house from concept to construction focusing on
the relationship between
energy and architecture in a New Zealand home
designed for the
Solar Decathlon.
The challenge for the young architects and engineers competing in the
competition is to develop ways of reducing
energy consumption and to
raise awareness of the
energy saving benefits of highly efficient home
design to the public. Despite this being the underlying philosophy, this
thesis suggests that the competition is structured in a way that rewards
technology over passive design innovation in architecture. A typical
Solar
Decathlon house is epitomized by a large
solar array generating the power
needing to run an oversized mechanical system. The New Zealand entry
challenges this trend with the design of a home that is focused on ways to
improve passive strategies for reducing
energy use first before relying on
technology. The question is whether a home designed with this philosophy
in mind can still meet the strict requirements set out in the ten contests
embedded in the
Solar Decathlon?
Designing a home to meet these requirements was also, in many ways,
contradictory to the house’s philosophy. The conceptual driver of the First
Light house was the iconic ‘kiwi bach.’ Commonly defined as “something
you built yourself, on land you don’t own, out of materials you borrowed
or stole,” the bach gives a unique model of comfort and how people
might live in a space. Its values are associated with a relationship with the
outdoors, a focus on the social aspects of the home and a simple use of
technology. As the project developed it was also apparent ‘the bach’, if it
were used all year round, could become a symbol for the current state of
many New Zealand homes; cold, damp, unhealthy and wasteful of
energy.
Finding ways to improve this while maintaining the essence of the bach
became one of the major motivations throughout the design process. The
challenge with this was that the goals associated with designing a ‘kiwi
bach’ for a New Zealand climate were, in many ways, conflicting with the
requirements of the
Solar Decathlon competition.
Using comprehensive thermal modelling the First Light house was
designed as a net zero
energy home that could meet the requirements of
two quite unique briefs for two distinctly different climates. Throughout
this thesis the often contradictory relationship between the First Light
house as a
Solar Decathlon entry and the First Light house as an
energy
efficient ‘kiwi bach’ is explained. Broken into three parts the thesis looks
at the passive design of the home and the optimization of the…
Advisors/Committee Members: Vale, Brenda, Vale, Robert.
Subjects/Keywords: Energy; Solar; Passive
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APA (6th Edition):
Jagersma, B. (2012). The 10 Day Bach: A Net Zero Home. (Masters Thesis). Victoria University of Wellington. Retrieved from http://hdl.handle.net/10063/2453
Chicago Manual of Style (16th Edition):
Jagersma, Ben. “The 10 Day Bach: A Net Zero Home.” 2012. Masters Thesis, Victoria University of Wellington. Accessed February 27, 2020.
http://hdl.handle.net/10063/2453.
MLA Handbook (7th Edition):
Jagersma, Ben. “The 10 Day Bach: A Net Zero Home.” 2012. Web. 27 Feb 2020.
Vancouver:
Jagersma B. The 10 Day Bach: A Net Zero Home. [Internet] [Masters thesis]. Victoria University of Wellington; 2012. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10063/2453.
Council of Science Editors:
Jagersma B. The 10 Day Bach: A Net Zero Home. [Masters Thesis]. Victoria University of Wellington; 2012. Available from: http://hdl.handle.net/10063/2453
University of Nairobi
6.
Milanzi, Hussein C.
Assessing the potential for solar energy utilization in Malawi
.
Degree: 2014, University of Nairobi
URL: http://hdl.handle.net/11295/95243
► Energy is very important for the development of any country in this world and Malawi is not exceptional. Malawi depends mainly on the Hydro Electric…
(more)
▼ Energy is very important for the development of any country in this world and Malawi is not exceptional. Malawi depends mainly on the Hydro Electric Power, fossil fuels and biomass on its energy sources for social economic and industrial activities. Due to increase in demand, Electricity Supply Corporation of Malawi (ESCOM) has more pressure to supply the power to increased number of industry and domestic use which lead to more frequent blackouts throughout the country. In this regard there is need for an alternative source of energy, and solar energy is the most common and easy to get.
The main objective of this study is to assess the potential for solar energy generation over Malawi, results of which would lead to harnessing solar energy in the country. The monthly mean sunshine hours and solar radiation values for the period of 30 years from 13 sites were analyzed in this study.
Monthly and seasonal variations of sunshine hours and solar radiation were determined. Long time trend were also determined. The analysis has shown that there is higher solar energy potential in the Northern, Lakeshore, Central areas and the Southern tip of southern region. The analysis has also shown that most of the areas in the Southern highlands of Malawi have low solar energy potential. The study further show that there is seasonal variation of solar radiation within the season of the year; March, April, May, August, September, October and November being the months of highest solar radiation utilization while December, January, June and July has lower solar radiation utilization potentials.
This research recommends the people in the area of study to put into consideration in this form of energy. They should invest and use solar energy as a reliable source of energy more especially in the rural areas where only 1% of the population has access to Electricity. More research needs to be done in order to get accurate estimate of available solar energy in Malawi more especially at regional and districts levels
Subjects/Keywords: solar energy utilization
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APA (6th Edition):
Milanzi, H. C. (2014). Assessing the potential for solar energy utilization in Malawi
. (Thesis). University of Nairobi. Retrieved from http://hdl.handle.net/11295/95243
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Milanzi, Hussein C. “Assessing the potential for solar energy utilization in Malawi
.” 2014. Thesis, University of Nairobi. Accessed February 27, 2020.
http://hdl.handle.net/11295/95243.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Milanzi, Hussein C. “Assessing the potential for solar energy utilization in Malawi
.” 2014. Web. 27 Feb 2020.
Vancouver:
Milanzi HC. Assessing the potential for solar energy utilization in Malawi
. [Internet] [Thesis]. University of Nairobi; 2014. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/11295/95243.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Milanzi HC. Assessing the potential for solar energy utilization in Malawi
. [Thesis]. University of Nairobi; 2014. Available from: http://hdl.handle.net/11295/95243
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
7.
HUI, Candy Ming Wai.
COMPARISON BETWEEN EXISTED SOLAR ENERGY PRODUCTION SYSTEMS : applicability, efficiencies and costs.
Degree: Technology and Built Environment, 2011, University of Gävle
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-8524
► In the previous decades, people raised the awareness of the shortage of fossil fuel in the coming forty to fifty years. Besides, the reduction…
(more)
▼ In the previous decades, people raised the awareness of the shortage of fossil fuel in the coming forty to fifty years. Besides, the reduction of CO2 emission is paid attention. Among the renewable energies, solar energy has the highest potential to be the main energy source in the future to solve the mentioned problems.
In the last few ten years, the technologies of solar energy were improved and used more widely as an energy source. The solar energy is used in several different ways. It can be used as heat energy for water heating or space heating. The solar thermal energy can be used with active or passive design. There are direct and indirect designs regardless the active or passive energy system. The efficient and the cost effectiveness are according to the designs of the systems. The places and the climate of the buildings where they locate are the main considerations of the system design. With understanding more about the differences of the existing solar energy systems, they can be applied in more efficient, cost effective and environmental friendly.
Regardless the dimension of the system, solar energy is the trend of the energy source for heating and electric power. It is not only used in building, it can also used for producing hydrogen fuel cells which will be using in transportation.
Subjects/Keywords: comparison; solar; energy
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APA ·
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MLA ·
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
HUI, C. M. W. (2011). COMPARISON BETWEEN EXISTED SOLAR ENERGY PRODUCTION SYSTEMS : applicability, efficiencies and costs. (Thesis). University of Gävle. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-8524
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
HUI, Candy Ming Wai. “COMPARISON BETWEEN EXISTED SOLAR ENERGY PRODUCTION SYSTEMS : applicability, efficiencies and costs.” 2011. Thesis, University of Gävle. Accessed February 27, 2020.
http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-8524.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
HUI, Candy Ming Wai. “COMPARISON BETWEEN EXISTED SOLAR ENERGY PRODUCTION SYSTEMS : applicability, efficiencies and costs.” 2011. Web. 27 Feb 2020.
Vancouver:
HUI CMW. COMPARISON BETWEEN EXISTED SOLAR ENERGY PRODUCTION SYSTEMS : applicability, efficiencies and costs. [Internet] [Thesis]. University of Gävle; 2011. [cited 2020 Feb 27].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-8524.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
HUI CMW. COMPARISON BETWEEN EXISTED SOLAR ENERGY PRODUCTION SYSTEMS : applicability, efficiencies and costs. [Thesis]. University of Gävle; 2011. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:hig:diva-8524
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
KTH
8.
Darwish, Mazen.
Modular Hybridization of Solar Thermal Power Plants For Developing Nations.
Degree: Heat and Power Technology, 2012, KTH
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104456
► The current energy scenario in the developing nations with abundant sun resource (e.g. southern Mediterranean countries of Europe, Middle-East & North Africa) relies mainly…
(more)
▼ The current energy scenario in the developing nations with abundant sun resource (e.g. southern Mediterranean countries of Europe, Middle-East & North Africa) relies mainly on fossil fuels to supply the increasing energy demand. Although this long adopted pattern ensures electricity availability on demand at all times through the least cost proven technology, it is highly unsustainable due to its drastic impacts on depletion of resources, environmental emissions and electricity prices. Solar thermal Hybrid power plants among all other renewable energy technologies have the potential of replacing the central utility model of conventional power plants, the understood integration of solar thermal technologies into existing conventional power plants shows the opportunity of combining low cost reliable power and Carbon emission reduction. A literature review on the current concentrating solar power (CSP) technologies and their suitability for integration into conventional power cycles was concluded, the best option was found be in the so called Integrated solar combined cycle systems (ISCCS); the plant is built and operated like a normal combined cycle, with a solar circuit consisting of central tower receiver and heliostat field adding heat to the bottoming Rankine cycle. A complete model of the cycle was developed in TRNSYS simulation software and Matlab environment, yearly satellite solar insolation data was used to study the effect of integrating solar power to the cycle throw-out the year. A multi objective thermo economic optimization analysis was conducted in order to identify a set of optimum design options. The optimization has shown that the efficiency of the combined cycle can be increased resulting in a Levelized electricity cost in the range of 10 -14 USDcts /Kwhe. The limit of annual solar share realized was found to be around 7 % The results of the study indicate that ISCCS offers advantages of higher efficiency, low cost reliable power and on the same time sends a green message by reducing the environmental impacts in our existing power plant systems.
Subjects/Keywords: Solar; Energy; CSP
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Manager
APA (6th Edition):
Darwish, M. (2012). Modular Hybridization of Solar Thermal Power Plants For Developing Nations. (Thesis). KTH. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104456
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Darwish, Mazen. “Modular Hybridization of Solar Thermal Power Plants For Developing Nations.” 2012. Thesis, KTH. Accessed February 27, 2020.
http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104456.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Darwish, Mazen. “Modular Hybridization of Solar Thermal Power Plants For Developing Nations.” 2012. Web. 27 Feb 2020.
Vancouver:
Darwish M. Modular Hybridization of Solar Thermal Power Plants For Developing Nations. [Internet] [Thesis]. KTH; 2012. [cited 2020 Feb 27].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104456.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Darwish M. Modular Hybridization of Solar Thermal Power Plants For Developing Nations. [Thesis]. KTH; 2012. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-104456
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Virginia Tech
9.
Hughes, Jeffrey S.
Comparison of Large Scale Renewable Energy Projects for the United States Air Force.
Degree: MS, Civil Engineering, 2012, Virginia Tech
URL: http://hdl.handle.net/10919/35282
► This thesis focused on the performance of large-scale renewable energy projects for the United States Air Force. As global energy demands continue to rise, the…
(more)
▼ This thesis focused on the performance of large-scale renewable
energy projects for the United States Air Force. As global
energy demands continue to rise, the need to find ways to save
energy and produce alternative sources of
energy will increase. The Federal Government has begun to address the challenge of
energy production and
energy security in recent years. In order to increase both the
energy production and
energy security for the Air Force, there is a trend to increase the amount of renewable
energy produced on military installations. The goal of this research was to compare the estimated and actual performance of these large-scale on-site renewable
energy projects at Air Force installations. The variables considered for this research were the execution methods and the renewable
energy sources. The performance of each project was evaluated against factors identified in previous sustainable construction studies. The study found that actual performance of third party owned and operated projects differed from the expected performance by less than the Air Force owned and operated projects, and that performance of renewable
energy projects differed from the expected performance by less than high performance buildings from previous studies. The study also found factors that contributed to the gap between the expected and actual performance including optimistic modeling, unusual weather, operational issues and higher than expected maintenance of the projects. The results of this research were an initial step in understanding the actual performance of large-scale renewable
energy projects.
Advisors/Committee Members: Pearce, Annie R. (committeechair), de la Garza, Jesus M. (committee member), Fiori, Christine M. (committee member).
Subjects/Keywords: wind energy; solar energy
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APA (6th Edition):
Hughes, J. S. (2012). Comparison of Large Scale Renewable Energy Projects for the United States Air Force. (Masters Thesis). Virginia Tech. Retrieved from http://hdl.handle.net/10919/35282
Chicago Manual of Style (16th Edition):
Hughes, Jeffrey S. “Comparison of Large Scale Renewable Energy Projects for the United States Air Force.” 2012. Masters Thesis, Virginia Tech. Accessed February 27, 2020.
http://hdl.handle.net/10919/35282.
MLA Handbook (7th Edition):
Hughes, Jeffrey S. “Comparison of Large Scale Renewable Energy Projects for the United States Air Force.” 2012. Web. 27 Feb 2020.
Vancouver:
Hughes JS. Comparison of Large Scale Renewable Energy Projects for the United States Air Force. [Internet] [Masters thesis]. Virginia Tech; 2012. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10919/35282.
Council of Science Editors:
Hughes JS. Comparison of Large Scale Renewable Energy Projects for the United States Air Force. [Masters Thesis]. Virginia Tech; 2012. Available from: http://hdl.handle.net/10919/35282
Addis Ababa University
10.
Daba, Robera.
Modeling and Simulation of Solar Chimney Power Plant with and without the Effect of Thermal Energy Storage Systems
.
Degree: 2012, Addis Ababa University
URL: http://etd.aau.edu.et/dspace/handle/123456789/4592
► A solar updraft tower power plant – sometimes also called 'solar chimney' or just ‘solar tower’ – is a solar thermal power plant utilizing a…
(more)
▼ A
solar updraft tower power plant – sometimes also called '
solar chimney' or just ‘
solar
tower’ – is a
solar thermal power plant utilizing a combination of
solar air collector and
central updraft tube to generate a
solar induced convective flow which drives pressure
staged turbines to generate electricity.
Several technologies exist that can convert
solar energy into electrical
energy. The
solar
chimney is part of the
solar thermal groups of
solar conversion technologies. Of these
technologies the
solar dish has the highest
energy efficiency (the current record is a
conversion efficiency of 30% of
solar energy).
Solar trough plants have been built with
efficiencies of about 20%. The
solar chimney has an efficiency of less than 2%. However,
due to its greater scale and simplicity, the
solar chimney may have an economic
efficiency approaching or exceeding that of the other methods.
To improve efficiency of the plant thermal storage system is used. Thermal storage
system improves the power output by re-shaping the profile of the power output. The
most commonly suggested method for creating
energy storage is to place extra thermal
mass under the collector in the form of black containers of water.
In this paper both the
solar chimney power plants: the plant with and without thermal
storage system are simulated for the case of Afar region using Fluent and the effect of
turbine position is also analyzed. The cost of the power output per kilowatt-hour is
reduced while using the thermal storage system. It also regulates the power output. The
power output increases as the turbine is positioned at higher position but the cost of the
chimney so the plants cost increases very much.
Solar chimneys are very suitable for use in remote communities where there is high
solar
energy capacity; such as Afar and Somalia, as a power source for both residential and
industrial use, based on reliability, cost, and operational factors. They can provide a
suitable
energy source in many remote areas of Ethiopia, including areas that are not
currently supplied by conventional means.
Advisors/Committee Members: Dr.-Ing. Abebayehu Assefa (advisor).
Subjects/Keywords: Solar Chimney;
Thermal Energy Storage Systems;
solar tower;
solar energy
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APA (6th Edition):
Daba, R. (2012). Modeling and Simulation of Solar Chimney Power Plant with and without the Effect of Thermal Energy Storage Systems
. (Thesis). Addis Ababa University. Retrieved from http://etd.aau.edu.et/dspace/handle/123456789/4592
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Daba, Robera. “Modeling and Simulation of Solar Chimney Power Plant with and without the Effect of Thermal Energy Storage Systems
.” 2012. Thesis, Addis Ababa University. Accessed February 27, 2020.
http://etd.aau.edu.et/dspace/handle/123456789/4592.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Daba, Robera. “Modeling and Simulation of Solar Chimney Power Plant with and without the Effect of Thermal Energy Storage Systems
.” 2012. Web. 27 Feb 2020.
Vancouver:
Daba R. Modeling and Simulation of Solar Chimney Power Plant with and without the Effect of Thermal Energy Storage Systems
. [Internet] [Thesis]. Addis Ababa University; 2012. [cited 2020 Feb 27].
Available from: http://etd.aau.edu.et/dspace/handle/123456789/4592.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Daba R. Modeling and Simulation of Solar Chimney Power Plant with and without the Effect of Thermal Energy Storage Systems
. [Thesis]. Addis Ababa University; 2012. Available from: http://etd.aau.edu.et/dspace/handle/123456789/4592
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Royal Roads University
11.
Reilkoff, Rhett.
Getting it right : models for solar PV energy delivery in British Columbia
.
Degree: 2016, Royal Roads University
URL: http://hdl.handle.net/10170/908
► Despite a lack of incentives, solar photovoltaic energy is gaining traction in British Columbia. Privately owned home and commercial systems are on the rise and…
(more)
▼ Despite a lack of incentives,
solar photovoltaic
energy is gaining traction in British Columbia. Privately owned home and commercial systems are on the rise and an increasing number of community led initiatives are experimenting with various models for
solar photovoltaic
energy delivery. Using the business model as an analytical tool, the present study explores the range of models by which individuals and organizations have begun to harness and distribute
solar PV in the province of BC, and the barriers, bridges, and critical success factors for each. A number of contextual conditions are identified that have contributed to two general categories of models that have arisen: commercially led approaches that focus on customer owned systems (i.e. individual home or building owners) and community led approaches that focus on community owned and/or financed systems. The study provides insight for others wanting to implement
solar energy for themselves or their communities.
Advisors/Committee Members: Dale, Ann (advisor).
Subjects/Keywords: Alternative Energy;
Solar Energy;
Solar Photovoltaics;
Solar Power
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APA ·
Chicago ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Reilkoff, R. (2016). Getting it right : models for solar PV energy delivery in British Columbia
. (Thesis). Royal Roads University. Retrieved from http://hdl.handle.net/10170/908
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Reilkoff, Rhett. “Getting it right : models for solar PV energy delivery in British Columbia
.” 2016. Thesis, Royal Roads University. Accessed February 27, 2020.
http://hdl.handle.net/10170/908.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Reilkoff, Rhett. “Getting it right : models for solar PV energy delivery in British Columbia
.” 2016. Web. 27 Feb 2020.
Vancouver:
Reilkoff R. Getting it right : models for solar PV energy delivery in British Columbia
. [Internet] [Thesis]. Royal Roads University; 2016. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10170/908.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Reilkoff R. Getting it right : models for solar PV energy delivery in British Columbia
. [Thesis]. Royal Roads University; 2016. Available from: http://hdl.handle.net/10170/908
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Cape Peninsula University of Technology
12.
Elhabishi, Ali Mohamed.
Optimising collector plate geometry for a specific solar syphon system design
.
Degree: 2016, Cape Peninsula University of Technology
URL: http://etd.cput.ac.za/handle/20.500.11838/2385
► Solar energy is still not being used effectively in countries in the developing world, though it's a partial solution to the problem of shortage and…
(more)
▼ Solar energy is still not being used effectively in countries in the developing world, though it's a partial solution to the problem of shortage and expensive energy. Normally harvested through flat plate collectors, converting solar radiation into heat is the most direct application that can be effected in water heating systems. Many researchers have attempted to develop means of improving the efficiency of the flat plate solar energy collector; however there appears to be no evidence of any work regarding the effect of geometric configuration on the performance of flat plate solar collector.
This study presents results obtained when comparing the performance of a solar water heating system equipped with three manufactured flat plate solar collector panels of numerically identical surface area but of different geometric configuration as they were individually attached to a typical geyser. Data was obtained inside a laboratory. The amount of heat acquired from flat plate collectors of solar energy depends primarily on their surface area that is exposed to the solar irradiance, however, the geometry of the collectors was thought that it might affect to some extent the amount of heat harvested. The circulation of the water from the panel to the geyser was due to the self-induced thermo-syphon effect. The results obtained during the test period (7 hours per day for two consecutive days) indicated that the system’s thermal efficiency was best when the square geometrical configuration collector was used. A dimensional analysis using the Π Buckingham method that was performed on the parameters affecting a flat plate solar collector yielded three dimensionless numbers that lead to a power law relationship which might be useful in enhancing solar water heating systems’ design.
Subjects/Keywords: Solar energy;
Solar water heaters;
Solar collectors;
Solar heating
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APA ·
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Elhabishi, A. M. (2016). Optimising collector plate geometry for a specific solar syphon system design
. (Thesis). Cape Peninsula University of Technology. Retrieved from http://etd.cput.ac.za/handle/20.500.11838/2385
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Elhabishi, Ali Mohamed. “Optimising collector plate geometry for a specific solar syphon system design
.” 2016. Thesis, Cape Peninsula University of Technology. Accessed February 27, 2020.
http://etd.cput.ac.za/handle/20.500.11838/2385.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Elhabishi, Ali Mohamed. “Optimising collector plate geometry for a specific solar syphon system design
.” 2016. Web. 27 Feb 2020.
Vancouver:
Elhabishi AM. Optimising collector plate geometry for a specific solar syphon system design
. [Internet] [Thesis]. Cape Peninsula University of Technology; 2016. [cited 2020 Feb 27].
Available from: http://etd.cput.ac.za/handle/20.500.11838/2385.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Elhabishi AM. Optimising collector plate geometry for a specific solar syphon system design
. [Thesis]. Cape Peninsula University of Technology; 2016. Available from: http://etd.cput.ac.za/handle/20.500.11838/2385
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
13.
Bellacosa, Marcelo Antoun.
Instalação de coletores de energia solar térmica em edificações existentes: estudo comparativo no Brasil e em Portugal.
Degree: 2016, Instituto Politécnico do Porto
URL: https://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/11056
► Apresenta-se o aproveitamento energético da utilização de coletores solares para aquecimento de água para banho em duas habitações unifamiliares na cidade de Santana de Parnaíba,…
(more)
▼ Apresenta-se o aproveitamento energético da utilização de coletores solares para aquecimento de água para banho em duas habitações unifamiliares na cidade de Santana de Parnaíba, Brasil e na cidade do Porto, Portugal. Para a análise em questão deve-se verificar a potência de irradiação solar nas duas cidades, considerando os hábitos da população, cultura, condições geográficas e meteorológicas.
Foram dimensionados e projetados 2 sistemas equivalentes para residências com 4 moradores e em seguida calculado seu custo através do Guia de Parametrização de São Paulo. Pode-se verificar a viabilidade das instalações de um sistema de aquecimento solar térmico nas duas edificações foi satisfatória e o retorno do investimento se dará por volta de 30 meses. O outro sistema tornou-se inviável para esse porte de edificação.
It presents the energy use of the use of solar collectors for heating water for bath in two single-family homes in the city of Santana de Parnaíba, Brazil and in the city of Porto, Portugal. For the analysis in question must check on the power of solar radiation in the two cities, considering the habits of the population, culture, geographical conditions and weather.
Designed 2 equivalent systems for homes with 4 residents and then calculated its cost through Guia de Parametrização de São Paulo. You can see that the viability of the facilities, a heating system of solar thermal panels in the two buildings was satisfactory, and the return on investment was around 30 months. The other one has became unviable for this type of building.
Advisors/Committee Members: Sousa, José Manuel Martins Soares de.
Subjects/Keywords: Aquecimento solar; Energia Solar; Sustentabilidade; Solar Heating; Solar Energy.; Sustainability; Construções
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APA ·
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CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Bellacosa, M. A. (2016). Instalação de coletores de energia solar térmica em edificações existentes: estudo comparativo no Brasil e em Portugal. (Thesis). Instituto Politécnico do Porto. Retrieved from https://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/11056
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Bellacosa, Marcelo Antoun. “Instalação de coletores de energia solar térmica em edificações existentes: estudo comparativo no Brasil e em Portugal.” 2016. Thesis, Instituto Politécnico do Porto. Accessed February 27, 2020.
https://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/11056.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Bellacosa, Marcelo Antoun. “Instalação de coletores de energia solar térmica em edificações existentes: estudo comparativo no Brasil e em Portugal.” 2016. Web. 27 Feb 2020.
Vancouver:
Bellacosa MA. Instalação de coletores de energia solar térmica em edificações existentes: estudo comparativo no Brasil e em Portugal. [Internet] [Thesis]. Instituto Politécnico do Porto; 2016. [cited 2020 Feb 27].
Available from: https://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/11056.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Bellacosa MA. Instalação de coletores de energia solar térmica em edificações existentes: estudo comparativo no Brasil e em Portugal. [Thesis]. Instituto Politécnico do Porto; 2016. Available from: https://www.rcaap.pt/detail.jsp?id=oai:recipp.ipp.pt:10400.22/11056
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Oxford
14.
Berryman, Ian.
Optimisation, design, development, and trial of a low-cost solar oven with novel concentrator geometry.
Degree: PhD, 2016, University of Oxford
URL: https://ora.ox.ac.uk/objects/uuid:42de9b33-18e1-4f22-8a44-3ddfd532bd0b
;
https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.729930
► A promising and novel solar concentrator design has been thoroughly investigated and optimised. A prototype concentrator based on this novel geometry was validated using ray…
(more)
▼ A promising and novel solar concentrator design has been thoroughly investigated and optimised. A prototype concentrator based on this novel geometry was validated using ray tracing techniques. This ray tracing demonstrated the comparative performance of this novel concentrator in regards to equivalent parabolic dishes. The effect of mirror surface normal errors on performance was established using Monte-Carlo based ray tracing code, which agreed well with the optical performance of this prototype which was determined experimentally. A need for low-cost solar cookers to replace bio-mass worldwide was identified, and the concentrator design was then developed as a low-cost solar oven. Despite existing in some number, no current design is able to achieve high performance at low-cost. An industrial partner, Dytecna, was initially involved in the process of this development of the system as a solar cooker. In support of a field trial for the solar cooker developed with Dytecna, a detailed thermal model of the oven was developed. A low-cost lightmeter was constructed and calibrated in order to measure the direct normal irradiance during the field trial in Italy. Laboratory work provided baseline results for the heating of various thermal masses in the oven. The Italian field trials provided a wealth of feedback into the design of the system and many valuable results. The solar cooker was able to bring 0.75L of water to the boil in 33 minutes with an average heat throughput of 203W. Important benchmark results and practical experience of several competing receiver materials was obtained; further lab testing provided more accurate measurements of the receivers' performances. The experiences of the Italian field trial were fed back into the design of a subsequent prototype, intended for a much larger field trial in Tanzania. Improvements in the hotplate, receiver material, and the oven were all incorporated into the design. Additionally, the structure of the solar cooker was redesigned to incorporate a low-cost wooden construction. Supporting work was conducted for the month long trial in which 8 solar cookers would be distributed to families in Tanzania. The field trial in Tanzania provided a wealth of user feedback into the design. At the same time the new solar cooker exceeded previously established performances in Italy. The new design was able to provide an average of 246W of heat to 1kg of water, which was brought to boiling point in 25 minutes. This represents a heating efficiency of 66% compared to the incident solar flux on the hotplate. In response to findings during the Tanzanian trials, further laboratory work was conducted into establishing the reflectivities of low-cost candidate mirror materials. Throughout all phases of the project the design of the solar cooker was refined and improved with the goal of a solar cooker design that could reach price-point, performance, and usability standards which would ensure market success.
Subjects/Keywords: 621.47; Solar energy; Solar collectors; Solar thermal energy; Solar ovens; Solar concentrators; Solar Oven; Solar Thermal; Solar Concentrator; Solar Cooker; Solar Power; Solar Cooking
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Berryman, I. (2016). Optimisation, design, development, and trial of a low-cost solar oven with novel concentrator geometry. (Doctoral Dissertation). University of Oxford. Retrieved from https://ora.ox.ac.uk/objects/uuid:42de9b33-18e1-4f22-8a44-3ddfd532bd0b ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.729930
Chicago Manual of Style (16th Edition):
Berryman, Ian. “Optimisation, design, development, and trial of a low-cost solar oven with novel concentrator geometry.” 2016. Doctoral Dissertation, University of Oxford. Accessed February 27, 2020.
https://ora.ox.ac.uk/objects/uuid:42de9b33-18e1-4f22-8a44-3ddfd532bd0b ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.729930.
MLA Handbook (7th Edition):
Berryman, Ian. “Optimisation, design, development, and trial of a low-cost solar oven with novel concentrator geometry.” 2016. Web. 27 Feb 2020.
Vancouver:
Berryman I. Optimisation, design, development, and trial of a low-cost solar oven with novel concentrator geometry. [Internet] [Doctoral dissertation]. University of Oxford; 2016. [cited 2020 Feb 27].
Available from: https://ora.ox.ac.uk/objects/uuid:42de9b33-18e1-4f22-8a44-3ddfd532bd0b ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.729930.
Council of Science Editors:
Berryman I. Optimisation, design, development, and trial of a low-cost solar oven with novel concentrator geometry. [Doctoral Dissertation]. University of Oxford; 2016. Available from: https://ora.ox.ac.uk/objects/uuid:42de9b33-18e1-4f22-8a44-3ddfd532bd0b ; https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.729930
University of KwaZulu-Natal
15.
[No author].
Fabrication of high efficacy selective solar absobers.
Degree: Physics, 2012, University of KwaZulu-Natal
URL: http://hdl.handle.net/10413/10745
► High efficiency tandem selective solar absorber materials of carbon in nickel oxide (C-NiO) composite were fabricated on an aluminium substrate using a simple and cost…
(more)
▼ High efficiency tandem selective
solar absorber materials of carbon in nickel oxide (C-NiO) composite were fabricated on an aluminium substrate using a simple and cost effective sol-gel process. The process involved preparation of carbon and nickel oxide precursor sols which were homogeneously mixed to form a final C-NiO precursor sol. The carbon precursor sol was prepared by dissolving sucrose (SUC) in 8 ml of distilled water. The NiO precursor sol was prepared by dissolving 7.5 g nickel acetate in 50 ml ethanol, then adding 6.3 g diethanol amine (DEA) to stabilise the solution followed by addition of a structure directing template of polyethylene glycol (PEG). The final C-NiO precursor sol was spin coated on pre-cleaned aluminium substrate to form thin films which were then heat treated in nitrogen ambient inside a tube furnace.
The final heat treatment temperature of the sols was determined by thermal studies using thermo gravimetric analytic (TGA) and differential scanning calorimetric (DSC) techniques. TGA and DSC studies of the final precursor sol showed that the weight loss of the precursors stabilised at around 450 °C.
The impact of the sol-gel process parameters namely heat treatment temperature, PEG content, SUC content as well as spin coating speed on the optical properties i.e.
solar absorptance (αsol) and thermal emittance (εtherm) was investigated. It was found that the optical properties as well as photo-thermal conversion efficiency, η = αsol - εtherm, improved with an increase in heat treatment temperature in the range studied (300-550 °C). This is in good agreement with the results obtained from thermo-gravimetric analysis which showed the weight loss of the precursor to stabilise around a temperature of 450 °C. Results obtained from the Raman studies showed a progressive increase in the graphitic domain in C-NiO samples with an increase in temperature. Heat treatment temperatures above 450 °C gave the best optical properties. Scanning electron microscopy (SEM) results showed that samples that did not have PEG in the precursor sol were compact and an addition of PEG in the precursor sol caused an increase in the size and density of pores in the films produced which affected the optical properties. As a result, the optical properties increased with an increase in PEG content from 0 g to 2 g then decreased with further increase in PEG content. It was found that addition of SUC of up to 8 g in the sol did not change the optical properties of the fabricated materials because SUC contributed little carbon to the final composite material. Further increase in SUC content resulted in materials with poor photo-thermal conversion efficiency. An increase in spin coating speed did not change the absorptance of the materials but it improved their thermal emittance. The best spin coating speed was found to be 7000 RPM.
A
solar absorptance of 0.81 and thermal emittance of 0.06 have been achieved for an optimum sample in this study yielding a photo-thermal conversion efficiency of 0.75. The optimum sample…
Advisors/Committee Members: Forbes, Andrew (advisor), Roro, Kittessa (advisor).
Subjects/Keywords: Solar activity.;
Solar thermal energy.;
Physics.
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Manager
APA (6th Edition):
author], [. (2012). Fabrication of high efficacy selective solar absobers.
(Thesis). University of KwaZulu-Natal. Retrieved from http://hdl.handle.net/10413/10745
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
author], [No. “Fabrication of high efficacy selective solar absobers.
” 2012. Thesis, University of KwaZulu-Natal. Accessed February 27, 2020.
http://hdl.handle.net/10413/10745.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
author], [No. “Fabrication of high efficacy selective solar absobers.
” 2012. Web. 27 Feb 2020.
Vancouver:
author] [. Fabrication of high efficacy selective solar absobers.
[Internet] [Thesis]. University of KwaZulu-Natal; 2012. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10413/10745.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
author] [. Fabrication of high efficacy selective solar absobers.
[Thesis]. University of KwaZulu-Natal; 2012. Available from: http://hdl.handle.net/10413/10745
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Johannesburg
16.
Santos, Nelson de Sousa Pedro dos.
An investigation into the thermo-fluid design and technical feasibility of a practical solar absorption refrigeration cycle.
Degree: 2010, University of Johannesburg
URL: http://hdl.handle.net/10210/3077
► M.Eng.
The need and problem was originated from the trends of the earths dwindling energy resource. As time progresses humans are becoming more aware of…
(more)
▼ M.Eng.
The need and problem was originated from the trends of the earths dwindling energy resource. As time progresses humans are becoming more aware of need to use so called “alternative energy sources” to alleviate the main energy converters i.e. power stations. The student was tasked with investigating the thermal performance of a solar powered refrigeration cycle (prototype) that could: produce enough refrigeration effect that it replaces the standard home vapour compression unit, used for cooling or freezing of foods, heats up a geyser sufficiently to have hot water for a common house hold, has excess energy to heat or cool liquid or air based environments and has the potential to lower the electrical bill of a house. The introductory step was to obtain the thermo fluid properties of aqua ammonia solutions. A setback came about when determining the aqua ammonia properties. There were too many conflicting properties being yielded by six different authors. In an attempt to gain confidence in only one author a comparison table was prepared. The table compared the six authors to each other. By looking at all the values compared it brought great clarity to the problem. When continuing the research into the fundamental law approach of solving for the cycle new findings were made. Initially very little comprehensive studies were done which explained in fundamental laws to solve for the absorption cycle. After extensive reviewing of a detailed study on how to solve for absorption refrigeration cycles, then it was able to begin improving on the thermo – fluid design of the cycle. As cycle and component design began to progress the train of thought began to steer in a direction. Each component needed to be detail designed. The advantage of having each component specifically catered for in the cycle design was that it would increase the cycle efficiency. In this way it would ensure that during the concept generation phase the functioning of each component was clear, thereby enabling a clear understanding of how components would compliment each other in a cycle. A mode of solving for the cycle was to endeavour that all parameters could be calculated unambiguously, with the aid of computerisation. Testing was carried out on a real life commercial thermal siphoning machine in order to realistically understand how absorption refrigeration works and gain experience. At the end of the study the most important result is that the dissertation research shows strong evidence that it will be possible to create a device which can fulfil the four tasks listed above. Another result is a program which is a refined cycle design of the pump absorption type refrigeration. The program solves for points along the cycle. Lastly it was found that even though EES was the simpler program to use for aqua ammonia solution properties it was the only program which catered for sub cooling and super heating.
Subjects/Keywords: Solar energy; Photovoltaic power generation; Solar cells
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APA (6th Edition):
Santos, N. d. S. P. d. (2010). An investigation into the thermo-fluid design and technical feasibility of a practical solar absorption refrigeration cycle. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/3077
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Santos, Nelson de Sousa Pedro dos. “An investigation into the thermo-fluid design and technical feasibility of a practical solar absorption refrigeration cycle.” 2010. Thesis, University of Johannesburg. Accessed February 27, 2020.
http://hdl.handle.net/10210/3077.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Santos, Nelson de Sousa Pedro dos. “An investigation into the thermo-fluid design and technical feasibility of a practical solar absorption refrigeration cycle.” 2010. Web. 27 Feb 2020.
Vancouver:
Santos NdSPd. An investigation into the thermo-fluid design and technical feasibility of a practical solar absorption refrigeration cycle. [Internet] [Thesis]. University of Johannesburg; 2010. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10210/3077.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Santos NdSPd. An investigation into the thermo-fluid design and technical feasibility of a practical solar absorption refrigeration cycle. [Thesis]. University of Johannesburg; 2010. Available from: http://hdl.handle.net/10210/3077
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
California State University – Sacramento
17.
Raval, Shailja.
Maximum power point tracking system for solar highway in California.
Degree: MS, Electrical and Electronic Engineering, 2010, California State University – Sacramento
URL: http://hdl.handle.net/10211.9/238
► This project is about generation of power through the solar panels in Californian highways and storing it in a storage system. The plan is to…
(more)
▼ This project is about generation of power through the
solar panels in Californian highways and storing it in a storage system. The plan is to build up charging stations for electric vehicles on highways and this stored form of
energy can be used in these charging stations which would be helpful in charging of hybrid and electric cars that pass through the highways. It would boost the usage of electric vehicles. We could also use the generated electricity to light the interchange at night as it was implemented by the Oregon
Solar Highway Project. A lot of
energy saving could be done if we implement the installation of the
solar panels on the highways. Our main focus in this project would be to determine the
solar insolation levels for different targeted areas, getting estimates on the generation of electricity on the basis of different conditions prevailing in those
areas and on the maximum power point tracking system for the PV (Photovoltaic) cells in different conditions which helps to maximize the power output of the
solar panel. We
would be using Matlab for doing our simulations for the
solar insolation and Maximum Power Point Tracking System. We would also be using the NREL data for our Calculations for different areas to determine the estimates.
Advisors/Committee Members: Balachandra, John.
Subjects/Keywords: Solar Insolation; Renewable Energy; Solar Cells
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APA (6th Edition):
Raval, S. (2010). Maximum power point tracking system for solar highway in California. (Masters Thesis). California State University – Sacramento. Retrieved from http://hdl.handle.net/10211.9/238
Chicago Manual of Style (16th Edition):
Raval, Shailja. “Maximum power point tracking system for solar highway in California.” 2010. Masters Thesis, California State University – Sacramento. Accessed February 27, 2020.
http://hdl.handle.net/10211.9/238.
MLA Handbook (7th Edition):
Raval, Shailja. “Maximum power point tracking system for solar highway in California.” 2010. Web. 27 Feb 2020.
Vancouver:
Raval S. Maximum power point tracking system for solar highway in California. [Internet] [Masters thesis]. California State University – Sacramento; 2010. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10211.9/238.
Council of Science Editors:
Raval S. Maximum power point tracking system for solar highway in California. [Masters Thesis]. California State University – Sacramento; 2010. Available from: http://hdl.handle.net/10211.9/238
Queens University
18.
Crofoot, Lisa.
Experimental Evaluation and Modeling of a Solar Liquid Desiccant Air Conditioner
.
Degree: Mechanical and Materials Engineering, 2012, Queens University
URL: http://hdl.handle.net/1974/7618
► Air-conditioning systems driven by solar energy have can save primary energy and reduce peak power consumption, which is particularly important for utility providers in the…
(more)
▼ Air-conditioning systems driven by solar energy have can save primary energy and reduce peak power consumption, which is particularly important for utility providers in the summer months. Additionally solar cooling is a promising application of solar thermal technology since the cooling load is well correlated to the overall solar availability. Liquid desiccant air-conditioning, which uses a salt solution to dehumidify air, can be used in a thermally driven air-conditioning system and offers many benefits for solar applications including the ability to store solar energy in the form of concentrated liquid desiccant.
The current work focuses on the Queen’s University Solar Liquid Desiccant Cooling Demonstration Project. In previous work, a pre-commercial Liquid Desiccant Air Conditioner (LDAC) was installed and experimentally characterized using a gas-fired boiler to provide heat. As part of the current study a 95m2 solar array was added as a heat source. The Solar LDAC was tested for 20 days in the summer of 2012 to evaluate performance.
The solar LDAC was found to provide between 9.2kW and 17.2kW of cooling power with an overall thermal Coefficient of Performance (COP) of 0.40 and electrical COP of 2.43. The collector efficiency was 53%, and 40% of the required thermal energy was provided by the solar array.
A model was developed in TRNSYS to predict the performance of the solar LDAC and simulation results were compared to the experimental results with reasonable accuracy. The validated model was then used to simulate the annual performance of the solar LDAC in Toronto, Ontario; Vancouver, British Columbia; and Miami, Florida. The highest performance was achieved in Miami, where an overall thermal COP of 0.48 was predicted.
It is proposed that additional improvements be made to the system by replacing inefficient pumps and fans, adding desiccant storage, and improving the control scheme.
Subjects/Keywords: Liquid Desiccant;
Solar Thermal Cooling;
Solar Energy
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APA ·
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MLA ·
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Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Crofoot, L. (2012). Experimental Evaluation and Modeling of a Solar Liquid Desiccant Air Conditioner
. (Thesis). Queens University. Retrieved from http://hdl.handle.net/1974/7618
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Crofoot, Lisa. “Experimental Evaluation and Modeling of a Solar Liquid Desiccant Air Conditioner
.” 2012. Thesis, Queens University. Accessed February 27, 2020.
http://hdl.handle.net/1974/7618.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Crofoot, Lisa. “Experimental Evaluation and Modeling of a Solar Liquid Desiccant Air Conditioner
.” 2012. Web. 27 Feb 2020.
Vancouver:
Crofoot L. Experimental Evaluation and Modeling of a Solar Liquid Desiccant Air Conditioner
. [Internet] [Thesis]. Queens University; 2012. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/1974/7618.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Crofoot L. Experimental Evaluation and Modeling of a Solar Liquid Desiccant Air Conditioner
. [Thesis]. Queens University; 2012. Available from: http://hdl.handle.net/1974/7618
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Rutgers University
19.
Viezbicke, Brian D., 1975-.
Investigation of L-cystine assisted Cu3BiS3 synthesis for energetically and environmentally improved integration as thin-film solar cell p-type semiconductor absorber.
Degree: PhD, Materials Science and Engineering, 2015, Rutgers University
URL: https://rucore.libraries.rutgers.edu/rutgers-lib/46454/
► Solar photovoltaic energy technology is increasingly implemented in response to continuously growing global energy needs. While legacy technology utilizing silicon has captured much of the…
(more)
▼ Solar photovoltaic energy technology is increasingly implemented in response to continuously growing global energy needs. While legacy technology utilizing silicon has captured much of the market, thin-film solar modules are projected to rise particularly in the U.S. production sector. Current materials utilized in production and deployment encounter resource and environmental impact constraints. This research investigates the viably controllable synthesis of multi-crystalline copper bismuth sulfide for potential use as an absorber layer in thin-film solar cells and early investigation of thin-film growth parameters which may enable a cost-effective route to full scale production of epitaxial copper bismuth sulfide films. The first step of this investigation has entailed a novel route for the solvo-thermally grown Cu3BiS3 films facilitated by L-cystine as a sulfur donating and complexing agent. In the characterization of the nanoparticulate product UV-VIS spectra were analyzed via the Tauc method of bandgap interpolation. The validity of the Tauc method in application to polycrystalline films has been investigated and proven to be robust for the material class. This justifies the bandgap assessment of the subject material and provides support for wider use of the method. With the synthesis method established, the reaction was transferred to a custom built continuous flow reactor to explore this process and help understand its capabilities and limits with respect to producing single layers for an eventual photovoltaic cell stack. Though the published work has established novel chemistry, the need to deposit and/or grow a functional p-type layer for further characterization and eventual device incorporation is key to the material evolution. First evidence of continuous flow micro-reactor deposition of Cu3BiS3 has been shown with an array of resulting microstructures. The grown microstructures are evaluated with relevance to prior synthesis laboratory procedure and recommendations are made for continuing the pursuit of a functional Cu3BiS3 coating mediated by L-cystine in a continuous flow micro-reactor.
Advisors/Committee Members: Birnie, III, Dunbar P. (chair), Cosandey, Frederic (internal member), Celler, George (internal member), Piotrowiak, Piotr (outside member).
Subjects/Keywords: Solar energy; Thin films; Solar cells
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APA (6th Edition):
Viezbicke, Brian D., 1. (2015). Investigation of L-cystine assisted Cu3BiS3 synthesis for energetically and environmentally improved integration as thin-film solar cell p-type semiconductor absorber. (Doctoral Dissertation). Rutgers University. Retrieved from https://rucore.libraries.rutgers.edu/rutgers-lib/46454/
Chicago Manual of Style (16th Edition):
Viezbicke, Brian D., 1975-. “Investigation of L-cystine assisted Cu3BiS3 synthesis for energetically and environmentally improved integration as thin-film solar cell p-type semiconductor absorber.” 2015. Doctoral Dissertation, Rutgers University. Accessed February 27, 2020.
https://rucore.libraries.rutgers.edu/rutgers-lib/46454/.
MLA Handbook (7th Edition):
Viezbicke, Brian D., 1975-. “Investigation of L-cystine assisted Cu3BiS3 synthesis for energetically and environmentally improved integration as thin-film solar cell p-type semiconductor absorber.” 2015. Web. 27 Feb 2020.
Vancouver:
Viezbicke, Brian D. 1. Investigation of L-cystine assisted Cu3BiS3 synthesis for energetically and environmentally improved integration as thin-film solar cell p-type semiconductor absorber. [Internet] [Doctoral dissertation]. Rutgers University; 2015. [cited 2020 Feb 27].
Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/46454/.
Council of Science Editors:
Viezbicke, Brian D. 1. Investigation of L-cystine assisted Cu3BiS3 synthesis for energetically and environmentally improved integration as thin-film solar cell p-type semiconductor absorber. [Doctoral Dissertation]. Rutgers University; 2015. Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/46454/
Queens University
20.
Carriere, Jarrett.
The Development and Application of a Simplified Thermal Performance Equation for a Sheet-and-Tube Photovoltaic Thermal Combi-Panel
.
Degree: Mechanical and Materials Engineering, 2013, Queens University
URL: http://hdl.handle.net/1974/7755
► PV/Thermal technology is the combination of solar thermal and photovoltaics - two mature and widely understood technologies. Combining the two technologies complicates existing standardized rating…
(more)
▼ PV/Thermal technology is the combination of solar thermal and photovoltaics - two mature and widely understood technologies. Combining the two technologies complicates existing standardized rating procedures and performance modeling methods. Currently a standardized performance test method does not exist for PV/Thermal (PV/T) panels. Existing and developing PV/T panels are commonly tested using separate standardized solar thermal and photovoltaic test procedures. Solar thermal performance is rated in terms of temperature difference whereas photovoltaic performance is dependent on absolute temperature level. The thermal and electrical performance of a PV/T panel is, however, coupled so performance equations derived using traditional test methods may not accurately reflect the performance of a combined PV/T panel over a wide range of conditions.
The purpose of this work was to develop an efficiency equation for a PV/T panel which can be derived from a minimal amount of empirical test data and still accurately predict its thermal and electrical performance over a wide range of conditions. To accomplish this, a quasi- 3-dimensional steady-state model of a sheet-and-tube PV/T collector was developed and used to generate a broad data set from which a simplified PV/T performance equation was developed. Using this numerically generated data set, and introducing additional coefficients into the traditional solar thermal performance characteristic, a modified PV/T efficiency equation was derived which expressed the electrical and thermal efficiency in terms of ambient temperature, incident solar irradiation and the temperature difference between the inlet fluid and the ambient. It was also shown, for the case studied, that the efficiency equation can be produced from as few as 6 data points and still accurately predicts the performance at a wide range of operating conditions. A TRNSYS [1] model was developed to demonstrate how the performance equation can be used to simulate the annual performance of a PV/T collector in a domestic hot water system. It was shown that a performance equation, derived from 6 data points, performed as well as a performance map which used over 1000 data points. The annual thermal and electrical production predicted by both models was within 1.5% of each other. The PV/T efficiency equations were also shown to perform well for a range of electrical parameters, thermal properties and substrate thermal conductivity values.
Future work is recommended to validate the PV/T performance equation using real empirically derived data for a range of collector designs.
Subjects/Keywords: Solar Thermal;
Solar Energy;
PV/T;
Photovoltaic
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APA ·
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Manager
APA (6th Edition):
Carriere, J. (2013). The Development and Application of a Simplified Thermal Performance Equation for a Sheet-and-Tube Photovoltaic Thermal Combi-Panel
. (Thesis). Queens University. Retrieved from http://hdl.handle.net/1974/7755
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Carriere, Jarrett. “The Development and Application of a Simplified Thermal Performance Equation for a Sheet-and-Tube Photovoltaic Thermal Combi-Panel
.” 2013. Thesis, Queens University. Accessed February 27, 2020.
http://hdl.handle.net/1974/7755.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Carriere, Jarrett. “The Development and Application of a Simplified Thermal Performance Equation for a Sheet-and-Tube Photovoltaic Thermal Combi-Panel
.” 2013. Web. 27 Feb 2020.
Vancouver:
Carriere J. The Development and Application of a Simplified Thermal Performance Equation for a Sheet-and-Tube Photovoltaic Thermal Combi-Panel
. [Internet] [Thesis]. Queens University; 2013. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/1974/7755.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Carriere J. The Development and Application of a Simplified Thermal Performance Equation for a Sheet-and-Tube Photovoltaic Thermal Combi-Panel
. [Thesis]. Queens University; 2013. Available from: http://hdl.handle.net/1974/7755
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
21.
Elemam, Aboubker.
Development of a ESES Solar Thermal Lab on Full Scale System.
Degree: Mechanical Engineering, 2011, Dalarna University
URL: http://urn.kb.se/resolve?urn=urn:nbn:se:du-12581
► The main aim of this project is to develop an ESES lab on a full scale system. The solar combisystem used is available most…
(more)
▼ The main aim of this project is to develop an ESES lab on a full scale system. The solar combisystem used is available most of the time and is only used twice a year to carry out some technical courses. At the moment, there are no other laboratories about combisystems. The experiments were designed in a way to use the system to the most in order to help the students apply the theoretical knowledge in the solar thermal course as well as make them more familiar with solar systems components. The method adopted to reach this aim is to carry out several test sequences on the system, in order to help formulating at the end some educating experiments. A few tests were carried out at the beginning of the project just for the sake of understanding the system and figuring out if any additional measuring equipment is required. The level of these tests sequences was varying from a simple energy draw off or collector loop controller respond tests to more complicated tests, such as the use of the ‘collector’ heater to simulate the solar collector effect on the system. The tests results were compared and verified with the theoretical data wherever relevant. The results of the experiment about the use of the ‘collector’ heater instead of the collector were positively acceptable. Finally, the Lab guide was developed based on the results of these experiments and also the experience gotten while conducting them. The lab work covers the theories related to solar systems in general and combisystems in particular.
Subjects/Keywords: Solar Energy; Combisystems; Solar Heating Systems
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APA ·
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MLA ·
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Manager
APA (6th Edition):
Elemam, A. (2011). Development of a ESES Solar Thermal Lab on Full Scale System. (Thesis). Dalarna University. Retrieved from http://urn.kb.se/resolve?urn=urn:nbn:se:du-12581
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Elemam, Aboubker. “Development of a ESES Solar Thermal Lab on Full Scale System.” 2011. Thesis, Dalarna University. Accessed February 27, 2020.
http://urn.kb.se/resolve?urn=urn:nbn:se:du-12581.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Elemam, Aboubker. “Development of a ESES Solar Thermal Lab on Full Scale System.” 2011. Web. 27 Feb 2020.
Vancouver:
Elemam A. Development of a ESES Solar Thermal Lab on Full Scale System. [Internet] [Thesis]. Dalarna University; 2011. [cited 2020 Feb 27].
Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:du-12581.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Elemam A. Development of a ESES Solar Thermal Lab on Full Scale System. [Thesis]. Dalarna University; 2011. Available from: http://urn.kb.se/resolve?urn=urn:nbn:se:du-12581
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Hong Kong University of Science and Technology
22.
Qiu, Yongcai.
Tuning nanomaterial properties for effective utilization of solar energy.
Degree: 2012, Hong Kong University of Science and Technology
URL: http://repository.ust.hk/ir/Record/1783.1-73403
;
https://doi.org/10.14711/thesis-b1180083
;
http://repository.ust.hk/ir/bitstream/1783.1-73403/1/th_redirect.html
► Energy is very important in our life. Materials are essential to the realization of energy generation, conversion and storage. My thesis research is directed at…
(more)
▼ Energy is very important in our life. Materials are essential to the realization of energy generation, conversion and storage. My thesis research is directed at the development of new nanostructured materials for effectively harvesting solar energy. It involves primarily chemistry-based bottom-up approaches, which are particularly attractive for the nanostructure synthesis due to their scalability, low cost and controllability. In particular, the low temperature hydro(solvo)thermal technique coupled with morphology conserved transformation routes was adopted for preparing many of the nanomaterials in my work since it is a facile, low cost, and environmentally benign technique amenable to large-scale production The thesis is divided into nine chapters. Chapter 1 surveys the current literature and outlines motivation and scope of the work. Chapter 2 introduces experimanet techniques. Major findings of the study are discussed in Chapters 3 through 8, with conclusions and outlooks summarized in Chapter 9. In chapter 1, I give a general introduction of this thesis on i) the significance of energy generation, mainly emphasizing on dye-sensitized solar cells (DSSCs); ii) advanced functional electrode materials for DSSCs; iii) developing strategies for preparing useful 1D and hierarchically porous nanomaterials, and most importantly, iv) the objectives of the thesis. Chapter 2 introduces experimental techniques used in my work. In chapter 3 a superstructure of meso/micro-porous single-crystalline ZnO nanoplates is created by controlled thermal decomposition of a nanoplate precursor prepared from a hydrothermal process. This unique porous nanoplate structure has proved to be an excellent candidate for constructing photoanodes of low-cost and high-performance dye-sensitized solar cells (DSSC). In Chapter 4 I report on the use of different sized TiO2 nanospindles to construct a double-layered photoanode for dye-sensitized solar cell (DSSC). One layer made of larger nanospindles serves to enhance light scattering and the other consisting of smaller nanospindles acts to increase the roughness factor for efficient dye-adsorption. The two-layer structure with size-varied, single-crystalline TiO2 nanospindles has demonstrated over 8.3% energy conversion efficiency. This was made possible by our successful large-scale synthesis of size-tunable, single-crystalline anatase TiO2 nanospindles. In Chapter 5 the work embarks upon three levels of undertaking ranging from nanomaterials synthesis to assembly and functionalization. Firstly, I have prepared size-tunable anatase TiO2 nanospindles via a hydrothermal process by using tubular titanates as self-sacrificing precursors. Secondly, I have densely dispersed the TiO2 nanospindles onto functional graphene oxides (GO) via a spontaneous self-assembly process. After annealing of the TiO2/GO hybrid nanocomposite in an NH3 gas flow, the TiO2 surface was effectively nitridated and the GO was reduced to…
Subjects/Keywords: Solar energy
; Solar cells
; Materials
; Nanostructured materials
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APA (6th Edition):
Qiu, Y. (2012). Tuning nanomaterial properties for effective utilization of solar energy. (Thesis). Hong Kong University of Science and Technology. Retrieved from http://repository.ust.hk/ir/Record/1783.1-73403 ; https://doi.org/10.14711/thesis-b1180083 ; http://repository.ust.hk/ir/bitstream/1783.1-73403/1/th_redirect.html
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Qiu, Yongcai. “Tuning nanomaterial properties for effective utilization of solar energy.” 2012. Thesis, Hong Kong University of Science and Technology. Accessed February 27, 2020.
http://repository.ust.hk/ir/Record/1783.1-73403 ; https://doi.org/10.14711/thesis-b1180083 ; http://repository.ust.hk/ir/bitstream/1783.1-73403/1/th_redirect.html.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Qiu, Yongcai. “Tuning nanomaterial properties for effective utilization of solar energy.” 2012. Web. 27 Feb 2020.
Vancouver:
Qiu Y. Tuning nanomaterial properties for effective utilization of solar energy. [Internet] [Thesis]. Hong Kong University of Science and Technology; 2012. [cited 2020 Feb 27].
Available from: http://repository.ust.hk/ir/Record/1783.1-73403 ; https://doi.org/10.14711/thesis-b1180083 ; http://repository.ust.hk/ir/bitstream/1783.1-73403/1/th_redirect.html.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Qiu Y. Tuning nanomaterial properties for effective utilization of solar energy. [Thesis]. Hong Kong University of Science and Technology; 2012. Available from: http://repository.ust.hk/ir/Record/1783.1-73403 ; https://doi.org/10.14711/thesis-b1180083 ; http://repository.ust.hk/ir/bitstream/1783.1-73403/1/th_redirect.html
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Limerick
23.
O'Keeffe, Gary J.
Mathematical modelling of nanofluid-based direct absorption solar collectors.
Degree: 2018, University of Limerick
URL: http://hdl.handle.net/10344/7058
► Solar-thermal collectors capture solar energy and convert it into heat energy. Several types of solar-thermal collectors have been used to harness solar radiation in both…
(more)
▼ Solar-thermal collectors capture
solar energy and convert it into heat
energy. Several types of
solar-thermal collectors have been used to
harness
solar radiation in both residential, electricity generation, and
industrial settings; one class of
solar-thermal collector design is the
direct-absorption
solar collector (DASC). An ongoing technological
challenge in this area of science is to develop a truly widespread, coste
ective system which e ciently converts
solar energy and can compete
with fossil fuel power generation. Nano
uids are a relatively new
class of
uid that o er great promise as an alternative to conventional
uids in a DASC due to their unique optical properties.
This thesis develops and analyses novel mathematical models to describe
and better understand the complicated interactions between
solar
radiation absorption,
uid
ow and heat transfer within nano
uidbased
DASCs (NDASCs) in a multiphysics continuum mechanics approach
involving the use of coupled partial di erential equations. Overall,
we discuss and model six di erent NDASCs: Collector 1 is an
NDASC consisting of a nano
uid
owing through parallel-plates on
an inclined plane, Collector 2 is similar to Collector 1, but with a re-
ective base-panel, Collector 3 is an NDASC consisting of a nano
uid
owing through cylindrical pipes on an inclined plane, Collector 4
is a nano
uid-based direct absorbing parabolic trough
solar collector
(NDAPSC) under laminar
ow, Collector 5 is an NDAPSC under turbulent
ow, and Collector 6 is an NDAPSC under turbulent
ow with
a time-dependent source term.
Advisors/Committee Members: Mitchell, Sarah L., Myers, Tim G..
Subjects/Keywords: solar energy; mathematical modelling; solar collectors
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APA (6th Edition):
O'Keeffe, G. J. (2018). Mathematical modelling of nanofluid-based direct absorption solar collectors. (Thesis). University of Limerick. Retrieved from http://hdl.handle.net/10344/7058
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
O'Keeffe, Gary J. “Mathematical modelling of nanofluid-based direct absorption solar collectors.” 2018. Thesis, University of Limerick. Accessed February 27, 2020.
http://hdl.handle.net/10344/7058.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
O'Keeffe, Gary J. “Mathematical modelling of nanofluid-based direct absorption solar collectors.” 2018. Web. 27 Feb 2020.
Vancouver:
O'Keeffe GJ. Mathematical modelling of nanofluid-based direct absorption solar collectors. [Internet] [Thesis]. University of Limerick; 2018. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10344/7058.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
O'Keeffe GJ. Mathematical modelling of nanofluid-based direct absorption solar collectors. [Thesis]. University of Limerick; 2018. Available from: http://hdl.handle.net/10344/7058
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Michigan
24.
Zimmerman, Karly.
Can the Whole be Greater than the Sum of All Parts? Market Identification for Public Sector Solar PV Collaborative Procurement Project that Utilizes a Revolving Fund as Leveraging Mechanism.
Degree: MS, Natural Resources and Environment, 2013, University of Michigan
URL: http://hdl.handle.net/2027.42/97547
► Many local governments across the United States are experiencing a new political willingness and drive to create sustainable energy goals. While this marks a very…
(more)
▼ Many local governments across the United States are experiencing a new political willingness and drive to create sustainable
energy goals. While this marks a very positive shift towards a more sustainable future, those agencies are finding that there still exist many barriers along the path towards meeting their
energy goals. This study investigates
solar collaborative procurement as a means for local governments to confront the barriers they face in trying to achieve
solar photovoltaic (PV) adoption.
Market Identification research conducted in this study was designed to identify future participants of the Sustainable
Energy & Economic Development Fund (SEED Fund), a program run by this study’s client organization, Strategic
Energy Innovations. The SEED Fund is a
solar collaborative procurement program for public agencies that utilizes a revolving fund to offset the upfront costs associated with
solar PV adoption.
Employing “lessons learned” from former
solar collaborative procurement projects, this study designed a methodology with which market identification research was performed. The goal was to identify geographical regions where SEED Fund might find a receptive market for their services. Four iterative approaches were applied to develop this market research:
1. A literature review on
solar markets in the US;
2. A filtering methodology was created to identify regions with the highest likelihood of successful participation in a collaborative procurement effort;
3. Interviews were conducted on public agencies identified by the filtering process;
4. Surveys were sent to additional agencies within counties that the filtering process identified.
This methodology successfully identified regions that have strong potential for engagement in a
solar collaborative procurement effort, including Los Angeles and San Diego Counties in California, and Larimer County in Colorado. While these three counties have shown strong interest in the collaborative approach to
solar adoption, Los Angeles’ interest was particularly keen. LA has indicated that they may want to move forward with participation in the SEED Fund program much sooner than this study had anticipated. Due to this enthusiasm, work is currently underway to establish Round 2 of the SEED Fund in the Los Angeles area.
This practicum study appears to have been effective at 1) Creating an effective market identification method and 2) using this method to identify market actors for the SEED Fund to pursue in the near future. If acted on, this study could lead to a significant expansion of public
solar PV, especially in Southern California. Additionally, the methodology developed in this study has established a durable mechanism by which new regions can be identified for collaborative procurement in the future.
Advisors/Committee Members: Hoffman, Andrew (advisor), na, na (committee member).
Subjects/Keywords: Solar Pv; Sustainable Energy; Solar Markets
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Manager
APA (6th Edition):
Zimmerman, K. (2013). Can the Whole be Greater than the Sum of All Parts? Market Identification for Public Sector Solar PV Collaborative Procurement Project that Utilizes a Revolving Fund as Leveraging Mechanism. (Masters Thesis). University of Michigan. Retrieved from http://hdl.handle.net/2027.42/97547
Chicago Manual of Style (16th Edition):
Zimmerman, Karly. “Can the Whole be Greater than the Sum of All Parts? Market Identification for Public Sector Solar PV Collaborative Procurement Project that Utilizes a Revolving Fund as Leveraging Mechanism.” 2013. Masters Thesis, University of Michigan. Accessed February 27, 2020.
http://hdl.handle.net/2027.42/97547.
MLA Handbook (7th Edition):
Zimmerman, Karly. “Can the Whole be Greater than the Sum of All Parts? Market Identification for Public Sector Solar PV Collaborative Procurement Project that Utilizes a Revolving Fund as Leveraging Mechanism.” 2013. Web. 27 Feb 2020.
Vancouver:
Zimmerman K. Can the Whole be Greater than the Sum of All Parts? Market Identification for Public Sector Solar PV Collaborative Procurement Project that Utilizes a Revolving Fund as Leveraging Mechanism. [Internet] [Masters thesis]. University of Michigan; 2013. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/2027.42/97547.
Council of Science Editors:
Zimmerman K. Can the Whole be Greater than the Sum of All Parts? Market Identification for Public Sector Solar PV Collaborative Procurement Project that Utilizes a Revolving Fund as Leveraging Mechanism. [Masters Thesis]. University of Michigan; 2013. Available from: http://hdl.handle.net/2027.42/97547
25.
Tello Ortíz, Elvis Richard.
Sistemas fotovoltaicos e eólicos: metodologia para análise da complementaridade espacial-temporal com aplicação no dimensionamento e análise de risco financeiro.
Degree: PhD, Sistemas de Potência, 2014, University of São Paulo
URL: http://www.teses.usp.br/teses/disponiveis/3/3143/tde-29122014-175607/
;
► Este trabalho propõe caracterizar a complementaridade espacial-temporal entre energia eólica e solar fotovoltaica entre regiões do Brasil e estudar, no âmbito da comercialização de energia…
(more)
▼ Este trabalho propõe caracterizar a complementaridade espacial-temporal entre energia eólica e solar fotovoltaica entre regiões do Brasil e estudar, no âmbito da comercialização de energia elétrica no Setor Elétrico Brasileiro - SEB, se um portfólio formado por estas fontes trazem vantagens econômicas relevantes para o investidor. Para atender a estes objetivos, foram estudados métodos para tratamento dos dados como a correção da irradiância solar, cálculo da energia gerada pelas fontes estudadas, o ambiente de contratação de energia elétrica no Brasil, métodos de otimização e modelos de análise de risco para contratação de energia no mercado livre de energia. A metodologia proposta para responder as questões colocadas foi aplicada em um estudo de caso envolvendo três regiões brasileiras em um horizonte de dez anos. Concluiu-se que existe a complementaridade energética entre as fontes nas diferentes regiões estudadas e em diferentes períodos de tempo. Confirmou-se que tecnicamente pode-se reduzir a oscilação na geração de energia analisando as fontes de forma complementar, porém, o custo de instalação da fonte fotovoltaica ainda é muito alto, inviabilizando até o momento investimentos em larga escala e de forma complementar a fonte eólica. Também verificou-se, dentro dos locais avaliados, que somente um dos três locais apresentou benefício econômico-financeiro com a formação de portfólio das fontes eólica e solar atuando no mercado de venda de energia e atendendo os critérios de risco limite estabelecidos quando avaliadas segundo a ótica da maximização da receita no mercado livre.
This thesis proposes to characterize the spatial-temporal complementarity between wind and solar photovoltaic energy between regions of Brazil and study, in the marketing of electricity in the Brazilian Electrical Sector - SEB, a portfolio formed by these sources bring significant economic benefits to the investor. To meet these goals, methods for data processing were studied as correction of solar irradiance calculation of the energy generated by the sources studied, the environment of contracting electricity in Brazil, optimization methods and models for risk analysis for contracting energy in the free energy market. The proposed methodology to answer the questions was applied in a case study involving three Brazilian regions with a horizon of ten years time series. It was concluded that there is complementarity between energy sources in the different regions studied and in different time periods. It was confirmed that technically can reduce the fluctuation in power generation by analyzing the complement of sources, however, the installation cost of photovoltaic power is still too high, preventing yet large-scale investments and complementary way the source wind. Also it was found within the sites evaluated, only one of the three sites presented economic and financial benefit by the portfolio of wind and solar sources acting in the sale of energy market and considering the risk criteria limit established when evaluated according to…
Advisors/Committee Members: Fadigas, Eliane Aparecida Faria Amaral.
Subjects/Keywords: Energia eólica; Energia solar; Sistema solar fotovoltaico; Solar energy; Solar photovoltaic system; Wind energy
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APA (6th Edition):
Tello Ortíz, E. R. (2014). Sistemas fotovoltaicos e eólicos: metodologia para análise da complementaridade espacial-temporal com aplicação no dimensionamento e análise de risco financeiro. (Doctoral Dissertation). University of São Paulo. Retrieved from http://www.teses.usp.br/teses/disponiveis/3/3143/tde-29122014-175607/ ;
Chicago Manual of Style (16th Edition):
Tello Ortíz, Elvis Richard. “Sistemas fotovoltaicos e eólicos: metodologia para análise da complementaridade espacial-temporal com aplicação no dimensionamento e análise de risco financeiro.” 2014. Doctoral Dissertation, University of São Paulo. Accessed February 27, 2020.
http://www.teses.usp.br/teses/disponiveis/3/3143/tde-29122014-175607/ ;.
MLA Handbook (7th Edition):
Tello Ortíz, Elvis Richard. “Sistemas fotovoltaicos e eólicos: metodologia para análise da complementaridade espacial-temporal com aplicação no dimensionamento e análise de risco financeiro.” 2014. Web. 27 Feb 2020.
Vancouver:
Tello Ortíz ER. Sistemas fotovoltaicos e eólicos: metodologia para análise da complementaridade espacial-temporal com aplicação no dimensionamento e análise de risco financeiro. [Internet] [Doctoral dissertation]. University of São Paulo; 2014. [cited 2020 Feb 27].
Available from: http://www.teses.usp.br/teses/disponiveis/3/3143/tde-29122014-175607/ ;.
Council of Science Editors:
Tello Ortíz ER. Sistemas fotovoltaicos e eólicos: metodologia para análise da complementaridade espacial-temporal com aplicação no dimensionamento e análise de risco financeiro. [Doctoral Dissertation]. University of São Paulo; 2014. Available from: http://www.teses.usp.br/teses/disponiveis/3/3143/tde-29122014-175607/ ;
26.
Kreutzmann, Philipp.
Sustainable solar tricycle design for the future of transporation.
Degree: MS(M.S.), Engineering, 2018, Colorado State University – Pueblo
URL: http://hdl.handle.net/10217/187178
► The United States' energy consumption through fossil-fueld means of transportation accounts for almost one third of the global energy consumption of the transporation sector. As…
(more)
▼ The United States' energy consumption through fossil-fueld means of transportation accounts for almost one third of the global energy consumption of the transporation sector. As a consequence thereof, environmental pollution is increasing rapidly, especially CO2 emissions. This development demands reduced environmental pollution based on the introduction of less energy-consuming means of transportation. The methodological approach taken in this research provides a solar-powered tricycle design as a sovereign mode of transportation to mitigate the problem of environmental pollution through transporation. A design for a sustatinable solar-powered tricycle is presented that is expected to be able to lesson the effect of CO2 emissions, increase occupancy rates, and reduce the need for fossil fuels. The dimension of the solar-powered tricycle was determined based on torque, power, drag and aerodynamic forces, solar irradiance, and travel range. The solar-powered tricycle was built and tested in order to evaluate the practicability and feasibility of the proposed design. The overall lifecycle of the design and environmental pollutions during the manufacturing and disposal phase of the tricycle and its components were evaluated using SolidWorks Sustainability software. The annual costs of CO2 emissions, design and installation, annual maintenance, and costs to store the power for full charge, account for $417. With its travel range of 37.1km from one full charge, the proposed solar-powered tricycle can cover more than 90% of all trip distances in the USA. The proposed solar-powered tricycle can be an alternative mode of transporation that reduces energy consumption by more than 41%, as well as decreases CO2 emissions by more than 75%, in comparison with other modes of transporation like cars or railroads.
Subjects/Keywords: Tricycles – Solar engines; Motor vehicles – Solar engines; Solar vehicles; Solar energy; Energy consumption; Tricycles
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Manager
APA (6th Edition):
Kreutzmann, P. (2018). Sustainable solar tricycle design for the future of transporation. (Masters Thesis). Colorado State University – Pueblo. Retrieved from http://hdl.handle.net/10217/187178
Chicago Manual of Style (16th Edition):
Kreutzmann, Philipp. “Sustainable solar tricycle design for the future of transporation.” 2018. Masters Thesis, Colorado State University – Pueblo. Accessed February 27, 2020.
http://hdl.handle.net/10217/187178.
MLA Handbook (7th Edition):
Kreutzmann, Philipp. “Sustainable solar tricycle design for the future of transporation.” 2018. Web. 27 Feb 2020.
Vancouver:
Kreutzmann P. Sustainable solar tricycle design for the future of transporation. [Internet] [Masters thesis]. Colorado State University – Pueblo; 2018. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10217/187178.
Council of Science Editors:
Kreutzmann P. Sustainable solar tricycle design for the future of transporation. [Masters Thesis]. Colorado State University – Pueblo; 2018. Available from: http://hdl.handle.net/10217/187178
University of Johannesburg
27.
Moodaly, Asogan.
The modelling of solar radiation quantities and intensities in a two dimensional compound parabolic collector.
Degree: 2010, University of Johannesburg
URL: http://hdl.handle.net/10210/3076
► M.Ing.
A dissertation presented on the basic solar design principles such as sun-earth geometry, energy wavelengths, optics, incidence angles, parabolic collector configurations and design, materials…
(more)
▼ M.Ing.
A dissertation presented on the basic solar design principles such as sun-earth geometry, energy wavelengths, optics, incidence angles, parabolic collector configurations and design, materials for solar applications, efficiencies, etc to be considered in Solar Concentrating Collector design. These principles were applied in the design and fabrication of a prototype solar collector. The solar collector was tested to verify and correct mathematical models that were generated from existing literature; as well as for optimization work.
Subjects/Keywords: Solar radiation; Solar energy; Solar thermal energy; Solar collectors design and construction
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APA (6th Edition):
Moodaly, A. (2010). The modelling of solar radiation quantities and intensities in a two dimensional compound parabolic collector. (Thesis). University of Johannesburg. Retrieved from http://hdl.handle.net/10210/3076
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Moodaly, Asogan. “The modelling of solar radiation quantities and intensities in a two dimensional compound parabolic collector.” 2010. Thesis, University of Johannesburg. Accessed February 27, 2020.
http://hdl.handle.net/10210/3076.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Moodaly, Asogan. “The modelling of solar radiation quantities and intensities in a two dimensional compound parabolic collector.” 2010. Web. 27 Feb 2020.
Vancouver:
Moodaly A. The modelling of solar radiation quantities and intensities in a two dimensional compound parabolic collector. [Internet] [Thesis]. University of Johannesburg; 2010. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10210/3076.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Moodaly A. The modelling of solar radiation quantities and intensities in a two dimensional compound parabolic collector. [Thesis]. University of Johannesburg; 2010. Available from: http://hdl.handle.net/10210/3076
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Texas State University – San Marcos
28.
Almusaied, Zaid I.
Optimization of Solar Energy Harvesting: Building Infrastructure and Statistical Optimization.
Degree: MSin Technology, Industrial Technology, 2016, Texas State University – San Marcos
URL: https://digital.library.txstate.edu/handle/10877/6037
► Renewable energy is the path for a sustainable future. The development in this field is progressing rapidly and solar energy is at the heart of…
(more)
▼ Renewable
energy is the path for a sustainable future. The development in this field is progressing rapidly and
solar energy is at the heart of this development. The performance and efficiency limitations are the main obstacles preventing
solar energy from fulfilling its potential. This research intends to improve the performance of
solar panels by identifying and optimizing the affecting factors. For this purpose, a mechanical system was developed to hold and control the tilt and orientation of the photovoltaic panel. A data acquisition system and electrical system were built to measure and store performance data of the photovoltaic panels. A design of experiments and response surface methodology were used to investigate the impact of these factors on the yield response as well as the output optimization. The findings of the experiment showed an optimum result with a tilt of 60º from the horizon, an azimuth angel of 45º from the south and a clean panel condition. The wind factor showed insignificant impact within the specified range. This work can be continued by investigations on the materials, geometry, cleaning and cooling systems, and involving some other environmental and physical factors.
Advisors/Committee Members: Asiabanpour, Bahram (advisor), Aslan, Semih (committee member), Stern, Harold (committee member), Ameri, Farhad (committee member).
Subjects/Keywords: Solar energy; Solar energy – Research; Renewable energy sources
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APA (6th Edition):
Almusaied, Z. I. (2016). Optimization of Solar Energy Harvesting: Building Infrastructure and Statistical Optimization. (Masters Thesis). Texas State University – San Marcos. Retrieved from https://digital.library.txstate.edu/handle/10877/6037
Chicago Manual of Style (16th Edition):
Almusaied, Zaid I. “Optimization of Solar Energy Harvesting: Building Infrastructure and Statistical Optimization.” 2016. Masters Thesis, Texas State University – San Marcos. Accessed February 27, 2020.
https://digital.library.txstate.edu/handle/10877/6037.
MLA Handbook (7th Edition):
Almusaied, Zaid I. “Optimization of Solar Energy Harvesting: Building Infrastructure and Statistical Optimization.” 2016. Web. 27 Feb 2020.
Vancouver:
Almusaied ZI. Optimization of Solar Energy Harvesting: Building Infrastructure and Statistical Optimization. [Internet] [Masters thesis]. Texas State University – San Marcos; 2016. [cited 2020 Feb 27].
Available from: https://digital.library.txstate.edu/handle/10877/6037.
Council of Science Editors:
Almusaied ZI. Optimization of Solar Energy Harvesting: Building Infrastructure and Statistical Optimization. [Masters Thesis]. Texas State University – San Marcos; 2016. Available from: https://digital.library.txstate.edu/handle/10877/6037
University of KwaZulu-Natal
29.
Nxumalo, Omega Sibusiso.
Attitudes towards new green technologies : a study of households using solar water heaters in low income RDP houses in Kwandengezi Coffee Farm, eThekwini Municipality.
Degree: Development studies, 2014, University of KwaZulu-Natal
URL: http://hdl.handle.net/10413/11389
► Within the international context, energy has become a central factor in our everyday ways of life. There is increasing dependence on energy resources such as…
(more)
▼ Within the international context,
energy has become a central factor in our everyday ways of life. There is increasing dependence on
energy resources such as electricity to improve people quality of life. In developing countries, many people still do not have access to
energy due to several challenges that have hindered infrastructural development and economic growth. At the same time, there is a growing interest in the protection of the environment and addressing issues of climate change. Green technologies such as
solar water heaters are identified as technologies that meet the need of both its end-users and the environment through the provision of hot water. Access to 'hot water' is seen to be an important element resulting in an improved quality of life. In addition, several methods of heating water are explored to assess the attitudes and perceptions that people have towards
solar water heaters. The dissertation involved in-depth interviews with residents from low income RDP houses in Kwandengezi Coffee Farm and government officials from eThekwini Municipality involved in the
solar water heater programme for low income communities. The interviews revealed that renewable
energy interventions such as the
solar heater programme for low income communities contribute significantly to an improvement in people‘s quality of life. The availability of
solar heaters allows people to enjoy hot water at a free cost, hence an improvement in the quality of life. The research further revealed that such renewable
energy interventions can contribute to a reduction in negative environmental impacts, hence facilitating the acquisition of hot water with less dependence on electricity resources.
Advisors/Committee Members: Ballard, Richard (advisor).
Subjects/Keywords: Development studies.; Solar energy.
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Manager
APA (6th Edition):
Nxumalo, O. S. (2014). Attitudes towards new green technologies : a study of households using solar water heaters in low income RDP houses in Kwandengezi Coffee Farm, eThekwini Municipality. (Thesis). University of KwaZulu-Natal. Retrieved from http://hdl.handle.net/10413/11389
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Nxumalo, Omega Sibusiso. “Attitudes towards new green technologies : a study of households using solar water heaters in low income RDP houses in Kwandengezi Coffee Farm, eThekwini Municipality.” 2014. Thesis, University of KwaZulu-Natal. Accessed February 27, 2020.
http://hdl.handle.net/10413/11389.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Nxumalo, Omega Sibusiso. “Attitudes towards new green technologies : a study of households using solar water heaters in low income RDP houses in Kwandengezi Coffee Farm, eThekwini Municipality.” 2014. Web. 27 Feb 2020.
Vancouver:
Nxumalo OS. Attitudes towards new green technologies : a study of households using solar water heaters in low income RDP houses in Kwandengezi Coffee Farm, eThekwini Municipality. [Internet] [Thesis]. University of KwaZulu-Natal; 2014. [cited 2020 Feb 27].
Available from: http://hdl.handle.net/10413/11389.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Nxumalo OS. Attitudes towards new green technologies : a study of households using solar water heaters in low income RDP houses in Kwandengezi Coffee Farm, eThekwini Municipality. [Thesis]. University of KwaZulu-Natal; 2014. Available from: http://hdl.handle.net/10413/11389
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
30.
Benzekri, Azzouz.
FPGA- Based intelligent dual- axis sola tracking control system.
Degree: 2015, Université M'Hamed Bougara Boumerdès
URL: http://dlibrary.univ-boumerdes.dz:8080123456789/2062
► 116 p. : ill. ; 30 cm
This thesis describes the design process of an FPGA-based sensor-driven intelligent controller applied to a dual-axis sun tracking…
(more)
▼ 116 p. : ill. ; 30 cm
This thesis describes the design process of an FPGA-based sensor-driven intelligent controller applied to a dual-axis sun tracking system. Fuzzy control based on fuzzy logic theory is used as a solution for the FPGA implementation of a digital controller for this industrial application. The real-time controller determines when and how much to tune the driving motors to minimize the misalignment of the solar panel surface with the sun's incident rays during the day in order to harvest maximum power from the solar panel mounted on a tracker. To achieve such a digital controller, we developed an FPGA-based heterogeneous computing platform with the capability of partitioning the overall controller between two concurrent subsystems: (1) a hardware subsystem made up of a pair of fuzzy-like PD-type controllers implemented on the programmable fabric of the FPGA using the (Very-High Speed Integrated Circuit) Hardware Description Language (VHDL), and (2) a software subsystem, a soft processor Nios® II-based supervisory control system implemented using the system-on-a-programmable (SoPC) approach. This hardware/software codesign implemented in a single chip makes the connections between the two subsystems work with low power and low latency resulting in an optimal efficiency and performance. An experimental structure is constructed in the laboratory. The controller allows this structure to perform an approximate three-dimensional hemispheroidal rotation to track the sun's movement during the day to improve the overall efficiency of the solar panel. Integrating the whole digital controller in a single chip accelerates development time while maintaining design flexibility. Moreover, it reduces the circuit board costs with a single-chip solution, and simplifies product testing Compared with traditional design approach using programmed logic (microprocessor- microcontroller- and DSP-based systems), the proposed solution uses a single low-cost FPGA device while enabling higher degrees of flexibility and concurrency. The digital controller developed with Altera Quartus II 9.1 sp2 Web Edition software development suite tools is simulated and realized on a Cyclone-II EP2C35F672C6 FPGA platform to verify its feasibility and functionality
Subjects/Keywords: Solar energy; Logique floue
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APA (6th Edition):
Benzekri, A. (2015). FPGA- Based intelligent dual- axis sola tracking control system. (Thesis). Université M'Hamed Bougara Boumerdès. Retrieved from http://dlibrary.univ-boumerdes.dz:8080123456789/2062
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Chicago Manual of Style (16th Edition):
Benzekri, Azzouz. “FPGA- Based intelligent dual- axis sola tracking control system.” 2015. Thesis, Université M'Hamed Bougara Boumerdès. Accessed February 27, 2020.
http://dlibrary.univ-boumerdes.dz:8080123456789/2062.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Benzekri, Azzouz. “FPGA- Based intelligent dual- axis sola tracking control system.” 2015. Web. 27 Feb 2020.
Vancouver:
Benzekri A. FPGA- Based intelligent dual- axis sola tracking control system. [Internet] [Thesis]. Université M'Hamed Bougara Boumerdès; 2015. [cited 2020 Feb 27].
Available from: http://dlibrary.univ-boumerdes.dz:8080123456789/2062.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Benzekri A. FPGA- Based intelligent dual- axis sola tracking control system. [Thesis]. Université M'Hamed Bougara Boumerdès; 2015. Available from: http://dlibrary.univ-boumerdes.dz:8080123456789/2062
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
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Open Access Theses and Dissertations