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Oregon State University
1.
Halamay, Douglas A.
Methods for evaluating the impact of renewable resource variability on grid operation and planning.
Degree: MS, Electrical and Computer Engineering, 2010, Oregon State University
URL: http://hdl.handle.net/1957/18830 
► With the recent interest in increasing the penetration of renewable energy sources onto the power grid, there has been an unprecedented rapid deployment of wind…
(more)
▼ With the recent interest in increasing the penetration of
renewable energy sources onto the power grid, there has been an unprecedented rapid deployment of wind generation, especially in the US Pacific Northwest. While wind farm developers have continued to expand their operations, power system operators are left to deal with the consequences – specifically, the uncontrollable, variable nature of the wind. While this variability can be quantified using traditional statistical measures, these statistics are often not directly usable by system operators. Composed of two papers, this research explores other methods for evaluating the variability of
renewable resources to better understand their impact on the grid. The first paper examines how
renewable penetration can be increased by diversifying the types of resources used (e.g., integrating an equal mix of wind, solar, and ocean wave power). The second paper builds off of the first by developing a solution to the lack of available power generation data necessary to conduct this research and then by using generated synthetic data to examine the impacts of increasing
renewable resource penetration levels. Both papers point to the value of a diversified
renewable energy portfolio, including high-levels of wind, solar, and ocean wave power generation.
Advisors/Committee Members: Brekken, Ted K.A. (advisor), von Jouanne, Annette (committee member).
Subjects/Keywords: Renewable Energy; Renewable energy sources
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APA (6th Edition):
Halamay, D. A. (2010). Methods for evaluating the impact of renewable resource variability on grid operation and planning. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/18830
Chicago Manual of Style (16th Edition):
Halamay, Douglas A. “Methods for evaluating the impact of renewable resource variability on grid operation and planning.” 2010. Masters Thesis, Oregon State University. Accessed January 15, 2021.
http://hdl.handle.net/1957/18830.
MLA Handbook (7th Edition):
Halamay, Douglas A. “Methods for evaluating the impact of renewable resource variability on grid operation and planning.” 2010. Web. 15 Jan 2021.
Vancouver:
Halamay DA. Methods for evaluating the impact of renewable resource variability on grid operation and planning. [Internet] [Masters thesis]. Oregon State University; 2010. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/1957/18830.
Council of Science Editors:
Halamay DA. Methods for evaluating the impact of renewable resource variability on grid operation and planning. [Masters Thesis]. Oregon State University; 2010. Available from: http://hdl.handle.net/1957/18830
University of Illinois – Urbana-Champaign
2.
Vardon, Derek R.
Integrated catalysis for upgrading microbial derived carboxylic acids to renewable fuels and value-added chemicals.
Degree: PhD, Environmental Engineering in Civil Engineering, 2015, University of Illinois – Urbana-Champaign
URL: http://hdl.handle.net/2142/89166
► In order to transition to a renewable carbon society, economically and environmentally sustainable technologies are needed to displace our dependence on petroleum. Carboxylic acids are…
(more)
▼ In order to transition to a
renewable carbon society, economically and environmentally sustainable technologies are needed to displace our dependence on petroleum. Carboxylic acids are a diverse class of biological metabolites that can be converted to
renewable fuels and chemicals to offset our consumption of petroleum. However, significant challenges occur when integrating catalysis with biological processes, which include: (1) biological conversion produces carboxylic acids at relatively dilute levels (<20 wt%) in broth that can contain residual impurities, creating separation and downstream process challenges, (2) microbial acids can contain unique chemical moieties (e.g., polyunsaturated bonds, hydroxyl groups, ester linkages) compared to aliphatic petroleum, requiring tailored catalytic upgrading strategies to produce fuels and chemicals, and (3) carboxylic acid valorization can occur through a multitude of unit process schemes, necessitating early-stage techno-economic analysis to identify key bottlenecks for further development. To address these challenges, this thesis investigates integrated catalysis for upgrading microbial derived acids to
renewable fuels and value-added chemicals.
To target both
renewable fuels and value-added chemicals from microbial acids, the following research objectives were pursued: (1) hydrothermal catalysis was investigated for deoxygenating monocarboxylic acids to diesel-grade hydrocarbons with in situ hydrogen production from
renewable organic donors, (2) separation and catalysis was examined for recovering and cis,cis-muconic acid from culture broth and converting it to adipic acid, the latter compound being a high-value polymer precursor for nylon-6,6 production, and (3) key economic drivers and technical targets were identified for the downstream processing of muconic acid to adipic acid using preliminary techno-economic analysis.
Initially, hydrothermal catalysis was investigated for converting long chain saturated and unsaturated carboxylic acids to hydrocarbon fuels using a Pt-Re catalyst supported on activated carbon (AC). The addition of Re as a secondary metal was shown to enhance the rate of carboxylic acid deoxygenation and modify the chemisorption behavior of Pt, suggesting alloy formation. Decarboxylation/decarbonylation of the carboxylate group was observed as the primary reaction pathway, and characterization of the Pt-Re/AC catalyst by x-ray photoelectron spectroscopy determined that hydrogen in the headspace resulted in a reduced oxidation state of the metals after exposure to hydrothermal conditions. Lastly, the addition of glycerol as an in situ hydrogen donor proved effective at meeting process hydrogen demands through aqueous phase reforming reactions.
The application of the Pt-Re/AC catalyst system was then evaluated using a complex monocarboxylic acid feedstock derived biologically from lignin. The microorganism Pseudomonas putida KT2440 was initially used to biologically “funnel” lignin derived monomers to intracellular medium chain length…
Advisors/Committee Members: Strathmann, Timothy J (advisor), Strathmann, Timothy J (Committee Chair), Beckham, Gregg T (committee member), Guest, Jeremy S (committee member), Singh, Vijay (committee member).
Subjects/Keywords: renewable chemicals; renewable fuels
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APA (6th Edition):
Vardon, D. R. (2015). Integrated catalysis for upgrading microbial derived carboxylic acids to renewable fuels and value-added chemicals. (Doctoral Dissertation). University of Illinois – Urbana-Champaign. Retrieved from http://hdl.handle.net/2142/89166
Chicago Manual of Style (16th Edition):
Vardon, Derek R. “Integrated catalysis for upgrading microbial derived carboxylic acids to renewable fuels and value-added chemicals.” 2015. Doctoral Dissertation, University of Illinois – Urbana-Champaign. Accessed January 15, 2021.
http://hdl.handle.net/2142/89166.
MLA Handbook (7th Edition):
Vardon, Derek R. “Integrated catalysis for upgrading microbial derived carboxylic acids to renewable fuels and value-added chemicals.” 2015. Web. 15 Jan 2021.
Vancouver:
Vardon DR. Integrated catalysis for upgrading microbial derived carboxylic acids to renewable fuels and value-added chemicals. [Internet] [Doctoral dissertation]. University of Illinois – Urbana-Champaign; 2015. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/2142/89166.
Council of Science Editors:
Vardon DR. Integrated catalysis for upgrading microbial derived carboxylic acids to renewable fuels and value-added chemicals. [Doctoral Dissertation]. University of Illinois – Urbana-Champaign; 2015. Available from: http://hdl.handle.net/2142/89166
3.
Davis, Jennifer Reeve.
Genetic, Biochemical and Biophysical Investigations of
Lignocellulose Degradation by Actinobacteria for Bioenergy
Applications.
Degree: PhD, Molecular Pharmacology, Physiology, and
Biotechnology, 2013, Brown University
URL: https://repository.library.brown.edu/studio/item/bdr:320557/
► Given the increasing worldwide energy demand and the finite supply of fossil fuels, the development of renewable energy sources is of global importance. The use…
(more)
▼ Given the increasing worldwide energy demand and the
finite supply of fossil fuels, the development of
renewable energy
sources is of global importance. The use of plant biomass
(lignocellulose) as a source of low-value carbon that can be
converted to high-value biofuels and chemicals has shown great
potential. However, significant advancements in existing plant
biomass conversion processes are required to improve efficiency.
Inspiration for conversion processes have been ascertained from
microorganisms that have complex enzymatic machinery to degrade
plant biomass to support their growth and development. An in-depth
understanding of the underlying mechanisms of lignocellulose
degradation in microorganisms will aid in the sustainable
production of fuels and chemicals. Microbial genome sequencing
projects have provided a wealth of information about microbial
genetics and biochemistry. In collaboration with the Joint Genome
Institute, we sequenced the genomes of two lignocellulose-degrading
actinobacteria, Amycolatopsis sp. 75iv2 and Streptomyces
viridosporus. Using bioinformatics, we identified key genes and
metabolic pathways involved in the degradation of cellulose, lignin
and lignin-derived aromatic compounds. A molecular understanding of
how these important genes and metabolic pathways are regulated will
be necessary for future applications. Therefore, we investigated
the transcription regulation of the β-ketoadipate pathway, the
major utilization pathway for lignin-derived aromatic compounds
(i.e. protocatechuate and catechol). Using genetic and
transcriptional studies, we identified a novel MarR family
transcription factor, named PcaV, that represses transcription of
the pca structural genes in Streptomyces coelicolor. Using
biochemical studies, we elucidated the molecular mechanism of
ligand-mediated attenuation of DNA binding by PcaV. Subsequently,
we used X-ray crystallography to determine the structures of PcaV
in its apo form and in complex with its ligand, protocatechuate.
The structures revealed a novel ligand binding pocket containing a
key arginine residue necessary for both ligand and DNA binding. We
also investigated the transcriptional regulation of cellulose
catabolism in S. coelicolor. Using genetic and transcriptional
studies, we identified a transcriptional repressor, CelR, that acts
as a putative master regulator of cellulose catabolism. These
studies provide a framework for future studies of the regulation of
cellulose catabolism in Streptomyces bacteria.
Advisors/Committee Members: Sello, Jason (Director), Peti, Wolfgang (Reader), Landy, Arthur (Reader), Lawrence, Charles (Reader), Gehring, Amy (Reader).
Subjects/Keywords: renewable energy
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APA ·
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APA (6th Edition):
Davis, J. R. (2013). Genetic, Biochemical and Biophysical Investigations of
Lignocellulose Degradation by Actinobacteria for Bioenergy
Applications. (Doctoral Dissertation). Brown University. Retrieved from https://repository.library.brown.edu/studio/item/bdr:320557/
Chicago Manual of Style (16th Edition):
Davis, Jennifer Reeve. “Genetic, Biochemical and Biophysical Investigations of
Lignocellulose Degradation by Actinobacteria for Bioenergy
Applications.” 2013. Doctoral Dissertation, Brown University. Accessed January 15, 2021.
https://repository.library.brown.edu/studio/item/bdr:320557/.
MLA Handbook (7th Edition):
Davis, Jennifer Reeve. “Genetic, Biochemical and Biophysical Investigations of
Lignocellulose Degradation by Actinobacteria for Bioenergy
Applications.” 2013. Web. 15 Jan 2021.
Vancouver:
Davis JR. Genetic, Biochemical and Biophysical Investigations of
Lignocellulose Degradation by Actinobacteria for Bioenergy
Applications. [Internet] [Doctoral dissertation]. Brown University; 2013. [cited 2021 Jan 15].
Available from: https://repository.library.brown.edu/studio/item/bdr:320557/.
Council of Science Editors:
Davis JR. Genetic, Biochemical and Biophysical Investigations of
Lignocellulose Degradation by Actinobacteria for Bioenergy
Applications. [Doctoral Dissertation]. Brown University; 2013. Available from: https://repository.library.brown.edu/studio/item/bdr:320557/
University of Nairobi
4.
Gitone, Isaac.
Determinants of adoption of renewable energy in Kenya
.
Degree: 2014, University of Nairobi
URL: http://hdl.handle.net/11295/77819
► Kenya being on the equator experiences enough solar energy of between 4-6 KWh/M2 which provides excellent opportunity for solar energy development. Nonetheless, the cost of…
(more)
▼ Kenya being on the equator experiences enough solar energy of between 4-6 KWh/M2 which
provides excellent opportunity for solar energy development. Nonetheless, the cost of acquiring
it is becoming an inhibiting factor as demonstrated by the slow adoption of the technology
despite the huge potential the country possesses. Moreover adoption of biogas as a source of
energy is also very low. Therefore, this study sought to investigate the determinants of adoption
of solar and biogas using cross sectional data collected from 70 districts across the country. The
study used bivariate probit model so as to account for interdependence in adoption decisions.
However, the results indicated that decisions to adopt solar and biogas are independent. Thus
the study used separate probit equations to investigate the impact of household head
characteristics, household characteristics and economic factors on adoption of both solar and
biogas. The result revealed that household heads with secondary and post secondary education
and household size significantly influence adoption of solar energy while gender of the
household head and household size significantly influences adoption of biogas. The study
recommended that government and other stakeholders should create awareness and sensitize the
learned people regarding the benefits of adopting solar energy so as to increase adoption of
solar energy among the educated people. Further, government should create incentives to
encourage men to adopt biogas by sensitizing them on the importance of biogas a source of
renewable energy.
Subjects/Keywords: Renewable Energy
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APA (6th Edition):
Gitone, I. (2014). Determinants of adoption of renewable energy in Kenya
. (Thesis). University of Nairobi. Retrieved from http://hdl.handle.net/11295/77819
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):
Gitone, Isaac. “Determinants of adoption of renewable energy in Kenya
.” 2014. Thesis, University of Nairobi. Accessed January 15, 2021.
http://hdl.handle.net/11295/77819.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Gitone, Isaac. “Determinants of adoption of renewable energy in Kenya
.” 2014. Web. 15 Jan 2021.
Vancouver:
Gitone I. Determinants of adoption of renewable energy in Kenya
. [Internet] [Thesis]. University of Nairobi; 2014. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/11295/77819.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Gitone I. Determinants of adoption of renewable energy in Kenya
. [Thesis]. University of Nairobi; 2014. Available from: http://hdl.handle.net/11295/77819
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Waikato
5.
Norbu, Tenzin.
Field data collection for implementation of Supercapacitor Assisted LED Lighting (SCALED)
.
Degree: 2018, University of Waikato
URL: http://hdl.handle.net/10289/12231
► With the increasing impact of global warming, climate change is becoming the biggest threat for all life on our planet. The conventional way of generating…
(more)
▼ With the increasing impact of global warming, climate change is becoming the biggest threat for all life on our planet. The conventional way of generating electricity from the burning of fossil fuels releases significant amounts of carbon dioxide to the atmosphere, which contributes to the rise in the earth’s temperature. Moreover, fossil fuels are being consumed very rapidly and we now have limited resources, which need to be monitored to face future energy demands. The development of
renewable energy sources, such as solar power, is a rapidly growing technology. With the extensive research and investment in this industry at present, in the near future solar power will be one of our leading
renewable energy sources. Furthermore, as solar panels directly produce direct current (DC), they can be directly tied to a DC microgrid without requiring any power converter, thereby minimizing losses and increasing efficiency.
The supercapacitor assisted light emitting diode (SCALED) converter is one of the new circuit techniques under development for low voltage light emitting diode (LED) systems at the University of Waikato. In this circuit, an LED is connected in series with the supercapacitor bank forming part of a resistor-capacitor (RC) charging loop. This is to avoid energy losses in the RC charging loop, which can create, in the worst case, a 50% loss. As the commonly used 12 V LEDs are internally DC operated devices, SCALED will be applicable in DC microgrids, which are the emerging technology in low voltage distribution systems.
The groundwork for this project requires various solar-related field data collection and simulations for the successful implementation of this innovative technique. Unlike a conventional power supply, solar power output directly depends on the solar irradiance level, which is very unpredictable. Given the unique behaviour of solar panel output, starting with a near constant current behaviour and changing over to a practical voltage source with an approximately constant array resistance, combining a supercapacitor bank and an LED lamp will be a challenge in developing the SCALED topology. In addition, proper field measurements and analysis of these characteristics are essential to develop more efficient and reliable SCALED circuits for DC microgrid applications.
Advisors/Committee Members: Kularatna, Nihal (advisor).
Subjects/Keywords: Renewable energy
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APA ·
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Export
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Manager
APA (6th Edition):
Norbu, T. (2018). Field data collection for implementation of Supercapacitor Assisted LED Lighting (SCALED)
. (Masters Thesis). University of Waikato. Retrieved from http://hdl.handle.net/10289/12231
Chicago Manual of Style (16th Edition):
Norbu, Tenzin. “Field data collection for implementation of Supercapacitor Assisted LED Lighting (SCALED)
.” 2018. Masters Thesis, University of Waikato. Accessed January 15, 2021.
http://hdl.handle.net/10289/12231.
MLA Handbook (7th Edition):
Norbu, Tenzin. “Field data collection for implementation of Supercapacitor Assisted LED Lighting (SCALED)
.” 2018. Web. 15 Jan 2021.
Vancouver:
Norbu T. Field data collection for implementation of Supercapacitor Assisted LED Lighting (SCALED)
. [Internet] [Masters thesis]. University of Waikato; 2018. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/10289/12231.
Council of Science Editors:
Norbu T. Field data collection for implementation of Supercapacitor Assisted LED Lighting (SCALED)
. [Masters Thesis]. University of Waikato; 2018. Available from: http://hdl.handle.net/10289/12231
Oregon State University
6.
Harpool, Scott E.
Aggregated reserve requirements of geographically diverse renewable portfolios in the Pacific Northwest.
Degree: MS, Electrical and Computer Engineering, 2015, Oregon State University
URL: http://hdl.handle.net/1957/55590
► Increased penetration of renewable energy sources results in higher operating reserve requirements, due to the inherent variability and uncertainty of these resources. Many studies, primarily…
(more)
▼ Increased penetration of
renewable energy sources results in higher operating reserve requirements, due to the inherent variability and uncertainty of these resources. Many studies, primarily focusing on wind and solar, have determined that geographic diversity of variable renewables substantially reduces system variability and uncertainty. The Pacific Northwest is well suited to the addition of wave and tidal energy to its
renewable portfolio. This study compares the varying reserve requirements with geographically diverse combinations of wind, solar, wave and tidal sources; a total
renewable penetration of thirty-six percent was selected for the analysis. The different groups of test scenarios consistently demonstrate reduced reserve requirements with geographic diversity. The best combination of
renewable sources incorporated wind, solar, wave and tidal; all except tidal geographically diverse. The reserve requirements for this scenario were relatively close to the baseline of no renewables, demonstrating the advantages of a diverse mix of
renewable sources.
Advisors/Committee Members: von Jouanne, Annette Renee (advisor), Brekken, Ted K.A. (committee member).
Subjects/Keywords: Renewable energy; Renewable energy sources – Northwest, Pacific
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APA ·
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APA (6th Edition):
Harpool, S. E. (2015). Aggregated reserve requirements of geographically diverse renewable portfolios in the Pacific Northwest. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/55590
Chicago Manual of Style (16th Edition):
Harpool, Scott E. “Aggregated reserve requirements of geographically diverse renewable portfolios in the Pacific Northwest.” 2015. Masters Thesis, Oregon State University. Accessed January 15, 2021.
http://hdl.handle.net/1957/55590.
MLA Handbook (7th Edition):
Harpool, Scott E. “Aggregated reserve requirements of geographically diverse renewable portfolios in the Pacific Northwest.” 2015. Web. 15 Jan 2021.
Vancouver:
Harpool SE. Aggregated reserve requirements of geographically diverse renewable portfolios in the Pacific Northwest. [Internet] [Masters thesis]. Oregon State University; 2015. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/1957/55590.
Council of Science Editors:
Harpool SE. Aggregated reserve requirements of geographically diverse renewable portfolios in the Pacific Northwest. [Masters Thesis]. Oregon State University; 2015. Available from: http://hdl.handle.net/1957/55590
University of Waterloo
7.
Karakashev, Dimcho.
Making Renewable Energy Certificates Efficient, Trustworthy, and Private.
Degree: 2020, University of Waterloo
URL: http://hdl.handle.net/10012/16140
► Although renewable energy costs are declining rapidly, producers still rely on additional incentives, such as Renewable Energy Certificates (RECs), when making an investment decision. An…
(more)
▼ Although renewable energy costs are declining rapidly, producers still rely on additional incentives, such as Renewable Energy Certificates (RECs), when making an investment decision. An REC is a proof that a certain amount of energy was generated from a renewable resource. It can be traded for cash in an REC market. Unfortunately, existing mechanisms to ensure that RECs are trustworthy – not fraudulently generated and from a universally-agreed renewable energy source – require periodic physical audits of the generation plant, which adds costly administrative overheads and locks out small producers. Although prior work has attempted to address these issues, existing solutions lack privacy and are vulnerable to tampering. In this work, we design, implement, and evaluate a system that is efficient, trustworthy, and anonymous, thus opening the REC market to small-scale energy producers. We describe two implementations based on a commercially-available Azure Sphere microcontroller unit combined with a permissioned Blockchain, Hyperledger Fabric, and a permissionless Blockchain, Algorand.
Subjects/Keywords: Renewable Energy; Blockchain; Anonymity; Renewable Energy Certificates
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APA ·
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to Zotero / EndNote / Reference
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APA (6th Edition):
Karakashev, D. (2020). Making Renewable Energy Certificates Efficient, Trustworthy, and Private. (Thesis). University of Waterloo. Retrieved from http://hdl.handle.net/10012/16140
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):
Karakashev, Dimcho. “Making Renewable Energy Certificates Efficient, Trustworthy, and Private.” 2020. Thesis, University of Waterloo. Accessed January 15, 2021.
http://hdl.handle.net/10012/16140.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Karakashev, Dimcho. “Making Renewable Energy Certificates Efficient, Trustworthy, and Private.” 2020. Web. 15 Jan 2021.
Vancouver:
Karakashev D. Making Renewable Energy Certificates Efficient, Trustworthy, and Private. [Internet] [Thesis]. University of Waterloo; 2020. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/10012/16140.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Karakashev D. Making Renewable Energy Certificates Efficient, Trustworthy, and Private. [Thesis]. University of Waterloo; 2020. Available from: http://hdl.handle.net/10012/16140
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
8.
O'Shea, Richard.
Pathways to a renewable gas industry in Ireland.
Degree: 2017, University College Cork
URL: http://hdl.handle.net/10468/5560
► The use of renewable gas produced via the anaerobic digestion of biodegradable material has been mooted as a source of renewable energy in Ireland. The…
(more)
▼ The use of
renewable gas produced via the anaerobic digestion of biodegradable material has been mooted as a source of
renewable energy in Ireland. The production of
renewable gas in power to gas systems could also allow for the storage of significant quantities of excess
renewable electricity in the form of methane gas, while demand driven biogas systems could act as a source of controllable and dispatchable
renewable electricity. This work aims to assess the scale of these resource in Ireland. The total theoretical resource of biomethane which could be produced via the anaerobic digestion of waste streams was found to be 12.5PJ equivalent to 6-7% of final energy consumption in transportation and final energy consumption in heat production. Most of this potential resource arose from cattle slurry and was concentrated in the southern and north-eastern regions of Ireland. Initial biomethane plants processing waste streams should use source separated household organic waste and should locate in regions where this resource is highest. Biomethane plants processing waste streams could produce 3.4-3.8 PJ of energy. The total theoretical resource of biomethane associated with grass silage was found to be 128.4PJ, equivalent to 64% of energy consumption in transport and 72% of energy thermal energy consumption. The majority of the potential grass silage resource is located in western regions of Ireland. Biomethane plants processing grass silage and cattle slurry could provide 12.2PJ of energy. Plant scale, feedstock type, feedstock mixture, gate fees, feedstock price, and incentive value strongly influenced the quantity of biomethane that could be produced. The use of decentralised anaerobic digestion systems can reduce the energy consumption and greenhouse gas emissions associated with the anaerobic digestion of wet feedstocks such as pig slurry by 21-22% and 18-19% respectively compared to a centralised anaerobic digestion system. This could increase the greenhouse gas emissions savings of biogas, allowing it to meet future stringent sustainability criteria. Advanced sources of
renewable gas such as microalgae (used in anaerobic digestion) and power to gas systems (converting excess
renewable electricity into methane gas using biogenic sources of CO2) could theoretically provide 1.8PJ and 1.4PJ of
renewable gas respectively. These systems are technically less advanced, however, power to gas systems present an interesting opportunity for energy storage. Feeding regimes for a demand driven biogas system to generate electricity at times of high demand, and biomethane outside of these periods were developed using lab scale trials and could inform the operation of full scale plants.
Advisors/Committee Members: Murphy, Jeremiah D.G., Ó Gallachóir, Brian P., SFI.
Subjects/Keywords: Renewable energy; Renewable gas; Biomethane; Biogas
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Manager
APA (6th Edition):
O'Shea, R. (2017). Pathways to a renewable gas industry in Ireland. (Thesis). University College Cork. Retrieved from http://hdl.handle.net/10468/5560
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'Shea, Richard. “Pathways to a renewable gas industry in Ireland.” 2017. Thesis, University College Cork. Accessed January 15, 2021.
http://hdl.handle.net/10468/5560.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
O'Shea, Richard. “Pathways to a renewable gas industry in Ireland.” 2017. Web. 15 Jan 2021.
Vancouver:
O'Shea R. Pathways to a renewable gas industry in Ireland. [Internet] [Thesis]. University College Cork; 2017. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/10468/5560.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
O'Shea R. Pathways to a renewable gas industry in Ireland. [Thesis]. University College Cork; 2017. Available from: http://hdl.handle.net/10468/5560
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Oklahoma State University
9.
Mathema, Preety.
Optimization of Integrated Renewable Energy System - Micro Grid (IRES-MG).
Degree: School of Electrical & Computer Engineering, 2011, Oklahoma State University
URL: http://hdl.handle.net/11244/10241
► Ever growing demands of increasing world population has challenged the scientific and technical communities to supply quality energy in a sustainable manner. Dependence on fossil…
(more)
▼ Ever growing demands of increasing world population has challenged the scientific and technical communities to supply quality energy in a sustainable manner. Dependence on fossil fuels has resulted in the depletion of the reserves and has a significant impact on global environment. The need to live a sustainable life has led to the use of
renewable energy sources. This study is focused on the concept of IRES, which utilizes the locally available
renewable energy sources to supply various forms of energy in an economical way to energize rural area. Using the IRES in conjunction with the micro grid concept, it is possible to create a self-sufficient sustainable rural community in cost effective and efficient way, without the need of central grid. Implementation of Integrated
Renewable Energy System - Micro Grid (IRES-MG) in a rural area is proposed. The system is studied with cost optimization and then efficiency optimization to evaluate the suitability of the proposed system.
Advisors/Committee Members: Ramakumar, Rama G. (advisor), Gedra, Thomas (committee member), Sohoni, Sohum (committee member).
Subjects/Keywords: integrated renewable energy; microgrid; optimization; renewable energy
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APA (6th Edition):
Mathema, P. (2011). Optimization of Integrated Renewable Energy System - Micro Grid (IRES-MG). (Thesis). Oklahoma State University. Retrieved from http://hdl.handle.net/11244/10241
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):
Mathema, Preety. “Optimization of Integrated Renewable Energy System - Micro Grid (IRES-MG).” 2011. Thesis, Oklahoma State University. Accessed January 15, 2021.
http://hdl.handle.net/11244/10241.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Mathema, Preety. “Optimization of Integrated Renewable Energy System - Micro Grid (IRES-MG).” 2011. Web. 15 Jan 2021.
Vancouver:
Mathema P. Optimization of Integrated Renewable Energy System - Micro Grid (IRES-MG). [Internet] [Thesis]. Oklahoma State University; 2011. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/11244/10241.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Mathema P. Optimization of Integrated Renewable Energy System - Micro Grid (IRES-MG). [Thesis]. Oklahoma State University; 2011. Available from: http://hdl.handle.net/11244/10241
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Oregon State University
10.
Clark, Caitlyn E.
Offshore Renewable Energy: An Exploration of Techno-Economic Feasibility and Reliability through a Computational Optimization Perspective.
Degree: MS, 2017, Oregon State University
URL: http://hdl.handle.net/1957/61884
► Offshore renewable energy (ORE) has the potential to be a significant source of future global electricity production, reduce carbon emissions, decrease dependence on energy importation,…
(more)
▼ Offshore
renewable energy (ORE) has the potential to be a significant source of future global electricity production, reduce carbon emissions, decrease dependence on energy importation, and stimulate economic growth in coastal and remote areas. The availability and abundance of ORE, paired with growing coastal population centers, position offshore wind, wave, and tidal energy technologies as viable means for providing power to coastal areas. The key to making these technologies feasible is providing electricity through reliable, efficient technology, and at competitive prices.
The objective of this research is to explore novel approaches to improving ORE performance, cost, and reliability. In the first two studies, I propose methods to optimize co- located wind-wave installments, investigating the feasibility and potential benefits of placing offshore wind turbines and wave energy converters (WECs) in the same leased ocean area. In the third and fourth studies, I explore the feasibility of emergency wave energy generation during sustained outages in coastal areas. To characterize which machine learning methods are best suited to predict storm-related, sustained transmission outages on the Oregon coast, I compare multiple machine learning regression methods. I then use the results of this study in an analytical cost model for emergency wave energy generation after a sustained outage. The final study reviews reliability-based design optimization applications in offshore
renewable energy systems, highlighting areas for future work.
Advisors/Committee Members: DuPont, Bryony L. (advisor), Porter, David (committee member).
Subjects/Keywords: offshore renewable energy
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APA (6th Edition):
Clark, C. E. (2017). Offshore Renewable Energy: An Exploration of Techno-Economic Feasibility and Reliability through a Computational Optimization Perspective. (Masters Thesis). Oregon State University. Retrieved from http://hdl.handle.net/1957/61884
Chicago Manual of Style (16th Edition):
Clark, Caitlyn E. “Offshore Renewable Energy: An Exploration of Techno-Economic Feasibility and Reliability through a Computational Optimization Perspective.” 2017. Masters Thesis, Oregon State University. Accessed January 15, 2021.
http://hdl.handle.net/1957/61884.
MLA Handbook (7th Edition):
Clark, Caitlyn E. “Offshore Renewable Energy: An Exploration of Techno-Economic Feasibility and Reliability through a Computational Optimization Perspective.” 2017. Web. 15 Jan 2021.
Vancouver:
Clark CE. Offshore Renewable Energy: An Exploration of Techno-Economic Feasibility and Reliability through a Computational Optimization Perspective. [Internet] [Masters thesis]. Oregon State University; 2017. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/1957/61884.
Council of Science Editors:
Clark CE. Offshore Renewable Energy: An Exploration of Techno-Economic Feasibility and Reliability through a Computational Optimization Perspective. [Masters Thesis]. Oregon State University; 2017. Available from: http://hdl.handle.net/1957/61884
University of Edinburgh
11.
Lancaster, Gregor.
Turning Renewable Energy Ambitions into Successful Projects: A Study of How Communication can be Improved in the Wave Power Sector.
Degree: 2011, University of Edinburgh
URL: http://hdl.handle.net/1842/5230
► The purpose of the dissertation was to research how to improve communication between marine renewable energy developers and the stakeholders involved in their development. The…
(more)
▼ The purpose of the dissertation was to research how to improve communication between marine
renewable energy developers and the stakeholders involved in their development. The process was qualitative and involved analysing publications by the government and organisations with a stake in the marine realm. Interviews with stakeholders and a wave power developer, Aquamarine Power, were conducted. Results showed that there were changes and improvements that could be made by the marine
renewable energy developers, the government, stakeholder organisations and communities to improve the communication process. These included, for marine
renewable energy developers; innovative identification and engagement methods, a comprehensive stakeholder interaction matrix, a clear and comprehensive plan, improved documents and an electronic based forum. For stakeholder organisations; the responsibility to be communicative, the right attitude, detailed publications and resolutions are to be sought for. For the government; to provide leadership, to take responsibility, to develop wave power knowledge, to care for multiple interests and the utilisation of maps. For communities; to follow the principle of good communication, to hire someone to read and describe documents, to form community organisations and to understand the benefits. Some of these recommendations overlap and are applicable to all four groups. Other recommendations for all the actors include recognising the threat of climate change, appreciating the youth of the industry, that many people are involved and affected and the fundamentals of communication should be adhered to, e.g. openness and flexibility. If these recommendations are achieved communication can become more effective.
Advisors/Committee Members: Russell, Graham.
Subjects/Keywords: Renewable Energy; Stakeholders
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Export
to Zotero / EndNote / Reference
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APA (6th Edition):
Lancaster, G. (2011). Turning Renewable Energy Ambitions into Successful Projects: A Study of How Communication can be Improved in the Wave Power Sector. (Thesis). University of Edinburgh. Retrieved from http://hdl.handle.net/1842/5230
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):
Lancaster, Gregor. “Turning Renewable Energy Ambitions into Successful Projects: A Study of How Communication can be Improved in the Wave Power Sector.” 2011. Thesis, University of Edinburgh. Accessed January 15, 2021.
http://hdl.handle.net/1842/5230.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Lancaster, Gregor. “Turning Renewable Energy Ambitions into Successful Projects: A Study of How Communication can be Improved in the Wave Power Sector.” 2011. Web. 15 Jan 2021.
Vancouver:
Lancaster G. Turning Renewable Energy Ambitions into Successful Projects: A Study of How Communication can be Improved in the Wave Power Sector. [Internet] [Thesis]. University of Edinburgh; 2011. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/1842/5230.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Lancaster G. Turning Renewable Energy Ambitions into Successful Projects: A Study of How Communication can be Improved in the Wave Power Sector. [Thesis]. University of Edinburgh; 2011. Available from: http://hdl.handle.net/1842/5230
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
University of Otago
12.
Mohd Ghazali, Siti Nor Azlina.
Renewable Energy in Malaysia: The Viability of Large Scale Introduction of Solar PV for both Grid-Connected and Stand-Alone Hybrid Systems
.
Degree: 2013, University of Otago
URL: http://hdl.handle.net/10523/3903
► Malaysia is a recently emerging economy with a mission of becoming a progressive and high-income nation, vision 2020. Over the past three decades, Malaysia has…
(more)
▼ Malaysia is a recently emerging economy with a mission of becoming a progressive and high-income nation, vision 2020. Over the past three decades, Malaysia has experienced rapid economic growth, accompanied by rapid urbanization. Until recently, oil and natural gas has dominated the country’s energy demand and supply but now there is some concern with regard to future energy security. In addition, however, as the world is starting to shift to alternative and non CO2 emitting energy resources, Malaysia, which has abundant
renewable energy resources, is also committed to the use of green energy as a driver to accelerate the national economy and promote sustainable development.
This study explores the viability of large scale introduction of solar PV systems for both grid-connected and stand-alone hybrid systems in Malaysia. Using qualitative and quantitative methods, the study has investigated the phenomenon of solar PV deployment from the view of the stakeholders and end users. In addition, triangulation has been used for validation of the results by obtaining information from policymakers in government, government-affiliated organisations, Non-Government Organisation (NGOs) and solar PV service providers.
This study has revealed that solar PV has the ability to continue develop in Malaysia, as it has shown promise in terms of a positive development, improving local and global environment in terms of application of systems used which minimises and reduces the negative impact of human activities on the environment, also enhancing energy security for future generations.
Overall, from this study it can be concluded that based on the current status of global solar PV market that is growing rapidly be able to provide a great opportunity for the large-scale introduction of both grid connected and stand-alone hybrid solar PV systems in Malaysia.
It is hoped that this thesis will not only contribute to the understanding of the barriers that might limit the possibility of solar PV to continue develop in Malaysia, but it will also assist decision makers in government and industry to expand the use of solar PV systems in that country.
Advisors/Committee Members: Lloyd, Bob (advisor).
Subjects/Keywords: Renewable;
Energy;
Malaysia
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Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Mohd Ghazali, S. N. A. (2013). Renewable Energy in Malaysia: The Viability of Large Scale Introduction of Solar PV for both Grid-Connected and Stand-Alone Hybrid Systems
. (Masters Thesis). University of Otago. Retrieved from http://hdl.handle.net/10523/3903
Chicago Manual of Style (16th Edition):
Mohd Ghazali, Siti Nor Azlina. “Renewable Energy in Malaysia: The Viability of Large Scale Introduction of Solar PV for both Grid-Connected and Stand-Alone Hybrid Systems
.” 2013. Masters Thesis, University of Otago. Accessed January 15, 2021.
http://hdl.handle.net/10523/3903.
MLA Handbook (7th Edition):
Mohd Ghazali, Siti Nor Azlina. “Renewable Energy in Malaysia: The Viability of Large Scale Introduction of Solar PV for both Grid-Connected and Stand-Alone Hybrid Systems
.” 2013. Web. 15 Jan 2021.
Vancouver:
Mohd Ghazali SNA. Renewable Energy in Malaysia: The Viability of Large Scale Introduction of Solar PV for both Grid-Connected and Stand-Alone Hybrid Systems
. [Internet] [Masters thesis]. University of Otago; 2013. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/10523/3903.
Council of Science Editors:
Mohd Ghazali SNA. Renewable Energy in Malaysia: The Viability of Large Scale Introduction of Solar PV for both Grid-Connected and Stand-Alone Hybrid Systems
. [Masters Thesis]. University of Otago; 2013. Available from: http://hdl.handle.net/10523/3903
University of Debrecen
13.
Pándi, György Márk.
Renewable energy and competitiveness
.
Degree: DE – TEK – Közgazdaság- és Gazdaségtudományi Kar, 2014, University of Debrecen
URL: http://hdl.handle.net/2437/182104
► The topic of renewables and their effect on economies is widely discussed in the world. Are the methods which are used towards the transition adequate…
(more)
▼ The topic of renewables and their effect on economies is widely discussed in the world. Are the methods which are used towards the transition adequate and how will these attempts affect the economies of countries which are undertaking a leading role in changing to renewables? Is it true that using renewables makes economies more competitive? Or is it just coincidence that most of the competitive countries are using more of them?
These are the main questions that I want to answer, or give a clearer picture of, during the pages of my thesis, with an emphasis on Germany and its special law and policy concerning renewables.
Advisors/Committee Members: Pásztor, Szabolcs (advisor).
Subjects/Keywords: renewable energy;
competitiveness
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Manager
APA (6th Edition):
Pándi, G. M. (2014). Renewable energy and competitiveness
. (Thesis). University of Debrecen. Retrieved from http://hdl.handle.net/2437/182104
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):
Pándi, György Márk. “Renewable energy and competitiveness
.” 2014. Thesis, University of Debrecen. Accessed January 15, 2021.
http://hdl.handle.net/2437/182104.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Pándi, György Márk. “Renewable energy and competitiveness
.” 2014. Web. 15 Jan 2021.
Vancouver:
Pándi GM. Renewable energy and competitiveness
. [Internet] [Thesis]. University of Debrecen; 2014. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/2437/182104.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Pándi GM. Renewable energy and competitiveness
. [Thesis]. University of Debrecen; 2014. Available from: http://hdl.handle.net/2437/182104
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
McMaster University
14.
Li, Jinlei.
Chemical thermoplasticization of lignocellulosic fibers by reactive extrusion.
Degree: PhD, 2020, McMaster University
URL: http://hdl.handle.net/11375/25934
► Cellulosic thermoplastics are anticipated as promising replacements to petroleum-based thermoplastics, but their high manufacturing costs have limited wide-spread application. The primary objectives of this thesis…
(more)
▼ Cellulosic thermoplastics are anticipated as promising replacements to petroleum-based thermoplastics, but their high manufacturing costs have limited wide-spread application. The primary objectives of this thesis were to use low-cost lignocellulose, practically forestry waste, as the raw material rather than more expensive purified cellulose in the preparation of new plastics and, consequently, to develop an economical reactive process focused on diminishing the use of expensive solvents in the thermoplasticization of lignocellulose.
The thermoplasticization of lignocellulosic fibers started by developing a high solids content (60 wt%) twin-screw extrusion technique to defibrillate the raw material for the subsequent chemical modification. By this approach, the received lignocellulosic fibers showed improving handling as a feedstock for extrusion as well as chemical accessibility. To effectively wet the lignocellulosic fibers for chemical modification and avoid using expensive and largely ineffective solvents, a low-cost additive was derived by mimicking aspects of an ionic liquid using benzethonium chloride (hyamine) and sulfuric acid. The effectiveness of the hyamine/sulfuric acid wetting agent was demonstrated initially in a bench-top method where the additive also became chemically bonded to the lignocellulose and strongly contributed to its thermoplasticity. During acetylation, this new and low-cost wetting/functionalizing agent converted the lignocellulosic fibers into a compression-moldable thermoplastic. The molar ratio of benzethonium chloride to sulfuric acid was found to be the most significant variable to determine grafting behaviour as well as degradation of the polymer chains.
Subsequently, this new modification chemistry was translated over to the environment of a twin-screw extruder to devise a continuous, greener method of thermoplasticization for lignocellulose. The new reactive extrusion process had a short reaction time of 45-90 s and yet showed a good tendency for producing a flowable thermoplastic suitable for melt molding without plasticizers. A notable benefit to the method was the moldable lignocellulosic bioplastic maintained the excellent stiffness inherent to cellulose. Moreover, by the reactive extrusion method, the properties of the lignocellulosic thermoplastics were found to be tunable with the selected esterifying agents (butyric anhydride versus acetyl anhydride) and the molar ratio of benzethonium chloride to sulfuric acid. A statistical analysis based on a Design of Experiment method revealed details on desirable extrusion conditions.
The project concluded with improvements to the high solids-content process was exploring the novel concept of a recycle stream for reactive extrusion. The excessive esterifying agent content used in the initial studies was necessary to lubricate the fibrous mass inside the extruder else it would jam the process. This meant that the extrudate left the extruder with an unnecessary amount of reactant and required costly cleaning. The idea of…
Advisors/Committee Members: Thompson, Michael, Chemical Engineering.
Subjects/Keywords: Renewable; Thermoplastic; Lignocellulose
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APA ·
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to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Li, J. (2020). Chemical thermoplasticization of lignocellulosic fibers by reactive extrusion. (Doctoral Dissertation). McMaster University. Retrieved from http://hdl.handle.net/11375/25934
Chicago Manual of Style (16th Edition):
Li, Jinlei. “Chemical thermoplasticization of lignocellulosic fibers by reactive extrusion.” 2020. Doctoral Dissertation, McMaster University. Accessed January 15, 2021.
http://hdl.handle.net/11375/25934.
MLA Handbook (7th Edition):
Li, Jinlei. “Chemical thermoplasticization of lignocellulosic fibers by reactive extrusion.” 2020. Web. 15 Jan 2021.
Vancouver:
Li J. Chemical thermoplasticization of lignocellulosic fibers by reactive extrusion. [Internet] [Doctoral dissertation]. McMaster University; 2020. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/11375/25934.
Council of Science Editors:
Li J. Chemical thermoplasticization of lignocellulosic fibers by reactive extrusion. [Doctoral Dissertation]. McMaster University; 2020. Available from: http://hdl.handle.net/11375/25934
University of Hawaii – Manoa
15.
Phillips, Tyler Thomas.
Renewable energy applications in residential homes and small-scale desalination processes.
Degree: 2016, University of Hawaii – Manoa
URL: http://hdl.handle.net/10125/100832
► M.S. University of Hawaii at Manoa 2012.
The conservation and replenishing of our world's energy and fresh water sources is of pivotal importance for the…
(more)
▼ M.S. University of Hawaii at Manoa 2012.
The conservation and replenishing of our world's energy and fresh water sources is of pivotal importance for the next generations. The global fossil-fuel reserves are dwindling as are the fresh water aquifers. The need for fresh water, however, may not be as apparent as the energy needs; especially in affluent countries where rising gasoline and electricity prices will be noticed by many, and where piped water supply is standard but bottled water is preferred by most. Even though this fresh water need may be unnoticed in the most developed countries the underground aquifers upon which they rely for bottled water production are depleting and going less restored each year. In reaction to the continual increasing of energy costs, the United States has experienced a surge of renewable energy research and has implemented requirements for the integration of many large-scale renewable energy generation methods all over the country. However, other much more impoverished countries have been utilizing small-scale renewable and sustainable sources of energy, food, and water for generations and the US could learn much from these "undeveloped" nations. There are many rural areas in developing countries where fresh water sources are lacking severely and there is high need for local water production with low energy and costs demands. There is also a potential for a range of classes within the developed countries to achieve sustainability through the use of small-scale renewable methods which can be adapted for any style of living. This work, therefore, is a comprisal of two projects which address the energy and fresh water needs that are facing our world today.
The first section of this work focuses on the effective integration of new and old sustainable methods of renewable energy generation into residential homes. This was done through a university wide project to design and build a net-zero home for the Department of Energy's Solar Decathlon 2011 competition. An esthetically creative, highly efficient, netzero home design will be presented which is coupled with the innovative sustainable food and oxygen production system known as aquaponics. This modern home not only provides its occupants will all energy needs through PV and solar thermal panels, but also with fresh produce and fish through the aquaponics system. The use of a thermal storage system with phase change materials is implemented to provide highly efficient home heating and cooling The second section then focuses on the fresh water need, specifically of those rural areas of developing countries where conditions are dry and solar insolation is high. The high potential of these areas for solar energy generation through PV and solar thermal panels make them prime locations for the integration of solar desalination processes for fresh water production. A number of solar humidification dehumidification (HDH) desalination processes are presented and the optimal configurations identified for use in decentralized arid regions.…
Subjects/Keywords: renewable energy; desalination
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APA (6th Edition):
Phillips, T. T. (2016). Renewable energy applications in residential homes and small-scale desalination processes. (Thesis). University of Hawaii – Manoa. Retrieved from http://hdl.handle.net/10125/100832
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):
Phillips, Tyler Thomas. “Renewable energy applications in residential homes and small-scale desalination processes.” 2016. Thesis, University of Hawaii – Manoa. Accessed January 15, 2021.
http://hdl.handle.net/10125/100832.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Phillips, Tyler Thomas. “Renewable energy applications in residential homes and small-scale desalination processes.” 2016. Web. 15 Jan 2021.
Vancouver:
Phillips TT. Renewable energy applications in residential homes and small-scale desalination processes. [Internet] [Thesis]. University of Hawaii – Manoa; 2016. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/10125/100832.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Phillips TT. Renewable energy applications in residential homes and small-scale desalination processes. [Thesis]. University of Hawaii – Manoa; 2016. Available from: http://hdl.handle.net/10125/100832
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Rutgers University
16.
Hook, Alexander, 1989-.
A DFT study of hydrogen abstraction from light alkanes: Pt alloy dehydrogenation catalysts and TiO2 steam reforming catalysts.
Degree: PhD, Chemical and Biochemical Engineering, 2018, Rutgers University
URL: https://rucore.libraries.rutgers.edu/rutgers-lib/57601/
► Sustainable energy production is one of the biggest challenges of the 21st century. This includes effective utilization of carbon-neutral energy resources as well as clean…
(more)
▼ Sustainable energy production is one of the biggest challenges of the 21st century. This includes effective utilization of carbon-neutral energy resources as well as clean end-use application that do not emit CO2 and other pollutants. Hydrogen gas can potentially solve the latter problem, as a clean burning fuel with very high thermodynamic energy conversion efficiency in fuel cells. In this work we will be discussing two methods of obtaining hydrogen. The first is as a byproduct of light alkane dehydrogenation where we obtain a high value olefin along with hydrogen gas. The second is in methane steam reforming where hydrogen is the primary product. Chapter 1 begins by introducing the reader to the current state of the energy industry. Afterwards there is an overview of what density functional theory (DFT) is and how this computational technique can elucidate and complement laboratory experiments. It will also contain the general parameters and methodology of the VASP software package that runs the DFT calculations. Chapter 2 will introduce the reader to light alkane dehydrogenation over platinum. Then this chapter goes into detail about the current industry standard alloy, PtSn, and how it dehydrogenates light alkanes. After the dehydrogenation process, the olefin may be further dehydrogenated into coke precursors which are often thought of as atomic carbon. This work looks into this claim by continuing the dehydrogenation down to atomic carbon and testing its thermodynamic and kinetic possibilities. Chapter 3 will follow up with light alkane dehydrogenation over various platinum alloys. This works consists of a comprehensive comparison of alloys of platinum with transition and post-transition metals. Trends in reactivity will be used to predict optimum alloy compositions. Chapter 4 will introduce a common method of removing carbon monoxide while producing hydrogen gas, the water gas shift (WGS) reaction. The various WGS kinetic pathways over TiO2 have been mapped out including all thermodynamic reaction energies. These energies indicate the most probable pathways for WGS over anatase TiO2. The role of water in the elementary reaction steps is of special interest. Chapter 5 expands the scope of TiO2 surface reactions to include methane steam reforming coupled with the WGS reaction. The role of water in methane activation is examined, and the predicted reaction pathways are explored in the presence of adsorbed water molecules. The potential energy surfaces for steam reforming have been investigated along with both binding energies and activation energies.
Advisors/Committee Members: Celik, Fuat E (chair), Neimark, Alexander V (internal member), Tsilomelekis, George (internal member), Goldman, Alan S (outside member), School of Graduate Studies.
Subjects/Keywords: Renewable energy resources
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APA (6th Edition):
Hook, Alexander, 1. (2018). A DFT study of hydrogen abstraction from light alkanes: Pt alloy dehydrogenation catalysts and TiO2 steam reforming catalysts. (Doctoral Dissertation). Rutgers University. Retrieved from https://rucore.libraries.rutgers.edu/rutgers-lib/57601/
Chicago Manual of Style (16th Edition):
Hook, Alexander, 1989-. “A DFT study of hydrogen abstraction from light alkanes: Pt alloy dehydrogenation catalysts and TiO2 steam reforming catalysts.” 2018. Doctoral Dissertation, Rutgers University. Accessed January 15, 2021.
https://rucore.libraries.rutgers.edu/rutgers-lib/57601/.
MLA Handbook (7th Edition):
Hook, Alexander, 1989-. “A DFT study of hydrogen abstraction from light alkanes: Pt alloy dehydrogenation catalysts and TiO2 steam reforming catalysts.” 2018. Web. 15 Jan 2021.
Vancouver:
Hook, Alexander 1. A DFT study of hydrogen abstraction from light alkanes: Pt alloy dehydrogenation catalysts and TiO2 steam reforming catalysts. [Internet] [Doctoral dissertation]. Rutgers University; 2018. [cited 2021 Jan 15].
Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/57601/.
Council of Science Editors:
Hook, Alexander 1. A DFT study of hydrogen abstraction from light alkanes: Pt alloy dehydrogenation catalysts and TiO2 steam reforming catalysts. [Doctoral Dissertation]. Rutgers University; 2018. Available from: https://rucore.libraries.rutgers.edu/rutgers-lib/57601/
Dalhousie University
17.
NADEEM, SYED ALI.
THE FINANCIAL SECTOR AND RENEWABLE ENERGY DEVELOPMENT IN
NON-OECD COUNTRIES: AN EMPIRICAL ANALYSIS.
Degree: MA, Department of Economics, 2013, Dalhousie University
URL: http://hdl.handle.net/10222/21680
► This paper examines the role of the financial sector in the development of renewable energy generation in non-OECD countries. A panel dataset of 156 countries…
(more)
▼ This paper examines the role of the financial sector
in the development of
renewable energy generation in non-OECD
countries. A panel dataset of 156 countries is constructed from
1980-2006. The estimations suggest a positive impact of commercial
banking on non-hydro energy production such as wind, solar and
geo-thermal. None of the equity market indicators suggest a
positive relationship. There is also strong evidence that the Kyoto
Protocol has had a positive impact on
renewable energy
development
Advisors/Committee Members: N/A (external-examiner), DR MELVIN CROSS (graduate-coordinator), DR RUTH FORSDYKE, DR CATHERINE BOULATOFF (thesis-reader), DR PETER BURTON (thesis-supervisor), Not Applicable (ethics-approval), Not Applicable (manuscripts), Not Applicable (copyright-release).
Subjects/Keywords: FINANCE AND RENEWABLE ENEGY; RENEWABLE ENERGY; BANKING
AND RENEWABLE ENERGY
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APA (6th Edition):
NADEEM, S. A. (2013). THE FINANCIAL SECTOR AND RENEWABLE ENERGY DEVELOPMENT IN
NON-OECD COUNTRIES: AN EMPIRICAL ANALYSIS. (Masters Thesis). Dalhousie University. Retrieved from http://hdl.handle.net/10222/21680
Chicago Manual of Style (16th Edition):
NADEEM, SYED ALI. “THE FINANCIAL SECTOR AND RENEWABLE ENERGY DEVELOPMENT IN
NON-OECD COUNTRIES: AN EMPIRICAL ANALYSIS.” 2013. Masters Thesis, Dalhousie University. Accessed January 15, 2021.
http://hdl.handle.net/10222/21680.
MLA Handbook (7th Edition):
NADEEM, SYED ALI. “THE FINANCIAL SECTOR AND RENEWABLE ENERGY DEVELOPMENT IN
NON-OECD COUNTRIES: AN EMPIRICAL ANALYSIS.” 2013. Web. 15 Jan 2021.
Vancouver:
NADEEM SA. THE FINANCIAL SECTOR AND RENEWABLE ENERGY DEVELOPMENT IN
NON-OECD COUNTRIES: AN EMPIRICAL ANALYSIS. [Internet] [Masters thesis]. Dalhousie University; 2013. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/10222/21680.
Council of Science Editors:
NADEEM SA. THE FINANCIAL SECTOR AND RENEWABLE ENERGY DEVELOPMENT IN
NON-OECD COUNTRIES: AN EMPIRICAL ANALYSIS. [Masters Thesis]. Dalhousie University; 2013. Available from: http://hdl.handle.net/10222/21680
University of Pretoria
18.
[No author].
Renewable energy : benefits of converting urban
households to solar water heating
.
Degree: 2010, University of Pretoria
URL: http://upetd.up.ac.za/thesis/available/etd-03302010-145656/
► Modern man’s addiction to fossil fuels or non-renewable energy is the key reason behind the unprecedented economic growth experienced globally over the past 100 years.…
(more)
▼ Modern man’s addiction to fossil fuels or
non-
renewable energy is the key reason behind the unprecedented
economic growth experienced globally over the past 100 years.
However, by definition these energy resources are not only finite,
but their widespread use is causing massive environmental damage
through air pollution and its associated impact on people’s health,
as well as the emission of greenhouse gases which are attributed to
the unprecedented rate of global warming - And it is for this
reason that international initiatives such as the Kyoto Protocol,
(which South Africa is a signatory of), aim to mitigate global
warming by reducing member countries’ CO2 emissions.Simultaneously,
South Africa (SA) is experiencing its own electricity supply
problems due to under investment in the sector. While new power
plants are being built, they utilize non-
renewable energy sources
and will take time to build (up to 5 years). It is also important
to note that due to large coal reserves, South Africans enjoy
amongst the lowest electricity tariffs in the world, but SA is
amongst this planet’s biggest per capita polluters.The research
thus aims to identify whether high income households are wasteful
users of electricity - due to historic low prices, lack of
knowledge regarding energy efficiency and the impact that
electricity generation has on the environment - while at the same
time determining the group's perception of domestic solar water
heaters (DSWH), given our country’s favourable
climaticconditions.
Advisors/Committee Members: Mr R Shipp (advisor).
Subjects/Keywords: UCTD;
Renewable energy sources
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Manager
APA (6th Edition):
author], [. (2010). Renewable energy : benefits of converting urban
households to solar water heating
. (Masters Thesis). University of Pretoria. Retrieved from http://upetd.up.ac.za/thesis/available/etd-03302010-145656/
Chicago Manual of Style (16th Edition):
author], [No. “Renewable energy : benefits of converting urban
households to solar water heating
.” 2010. Masters Thesis, University of Pretoria. Accessed January 15, 2021.
http://upetd.up.ac.za/thesis/available/etd-03302010-145656/.
MLA Handbook (7th Edition):
author], [No. “Renewable energy : benefits of converting urban
households to solar water heating
.” 2010. Web. 15 Jan 2021.
Vancouver:
author] [. Renewable energy : benefits of converting urban
households to solar water heating
. [Internet] [Masters thesis]. University of Pretoria; 2010. [cited 2021 Jan 15].
Available from: http://upetd.up.ac.za/thesis/available/etd-03302010-145656/.
Council of Science Editors:
author] [. Renewable energy : benefits of converting urban
households to solar water heating
. [Masters Thesis]. University of Pretoria; 2010. Available from: http://upetd.up.ac.za/thesis/available/etd-03302010-145656/
University of California – Irvine
19.
McCall, Jolene.
The Global Rise in Renewable Energy.
Degree: Sociology, 2018, University of California – Irvine
URL: http://www.escholarship.org/uc/item/17t303j1
► Global, anthropogenic climate change has resulted in worldwide responses to address the existing and potential impending dangers to society. As a result, the world sits…
(more)
▼ Global, anthropogenic climate change has resulted in worldwide responses to address the existing and potential impending dangers to society. As a result, the world sits at an historic crossroads as efforts to transform the energy sector globally continue to progress. This research examines the global rise in renewable energy and the complex factors underlying this international phenomenon. The IPCC (2014) identifies renewable energy as a viable alternative to fossil fuels with the potential of mitigating climate change. However, despite a steady increase in renewable energy generated worldwide, there remains immense variation amongst nations in the amount of electricity being generated by renewable sources. In this dissertation I focus on understanding the variation in renewable energy generation as well as renewable energy regulatory frameworks. In three empirical chapters, I examine the relationship between renewable energy generation and regulatory framework and country-level cultural, political, and economic factors. In my dissertation, I examine (1) factors associated with increases in renewable energy production from 1970 through 2012, (2) factors associated with increases in solar energy generation from 2000 through 2016, and (3) the causal configuration of country-level conditions that result in advanced renewable energy regulatory frameworks. I employ cross-national time series regression analyses as well as a fuzzy set qualitative comparative analysis. Overall, the findings highlight the impact the environmental regime on the global increase in renewable energy generation, including the role of international treaties and non-governmental organizations. Additionally, the results highlight variation among the mass adoption of renewable energy regulatory frameworks, by identifying the causal configuration of country-level conditions that lead to advanced regulatory frameworks for renewable energy. The findings contribute to the growing environmental sociology literature focused on environmental remediation. This dissertation supports previous research demonstrating the role of international treaty ratification and INGOs in the global civil society and in influencing the trend of renewable energy generation. Furthermore, the findings suggest that the implementation of advanced renewable energy regulatory frameworks is the result of a combination of a multiple country-level conditions.
Subjects/Keywords: Sociology; environment; globalization; renewable
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Manager
APA (6th Edition):
McCall, J. (2018). The Global Rise in Renewable Energy. (Thesis). University of California – Irvine. Retrieved from http://www.escholarship.org/uc/item/17t303j1
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):
McCall, Jolene. “The Global Rise in Renewable Energy.” 2018. Thesis, University of California – Irvine. Accessed January 15, 2021.
http://www.escholarship.org/uc/item/17t303j1.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
McCall, Jolene. “The Global Rise in Renewable Energy.” 2018. Web. 15 Jan 2021.
Vancouver:
McCall J. The Global Rise in Renewable Energy. [Internet] [Thesis]. University of California – Irvine; 2018. [cited 2021 Jan 15].
Available from: http://www.escholarship.org/uc/item/17t303j1.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
McCall J. The Global Rise in Renewable Energy. [Thesis]. University of California – Irvine; 2018. Available from: http://www.escholarship.org/uc/item/17t303j1
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Ryerson University
20.
Regmi, Udaya Raj.
Energy efficient operation of a base transceiver station using markov decision process.
Degree: 2017, Ryerson University
URL: https://digital.library.ryerson.ca/islandora/object/RULA%3A6553
► Around 3.15% of the total world energy consumption accounts for Information and Com- munication Technology (ICT) sector. ICT's contribution to global greenhouse gas emission is…
(more)
▼ Around 3.15% of the total world energy consumption accounts for Information and Com-
munication Technology (ICT) sector. ICT's contribution to global greenhouse gas emission is expected to double in the coming five years.
Base transceiver station (BTS), an important but energy hungry component of access network in a cellular communication system, is usually resourced to serve busy hour traffic but remains under-utilized for most of the 24-hour period irrespective of the traffic load.
Hence, self organizing networks (SON) that react to the variable traffic load are being studied to minimize energy consumption without compromising the QoS of the network.
Discrete time Markov decision process (DTMDP) as an optimization tool to manage the operation of BTS is investigated in this thesis. MDP _nds an optimal policy that takes state specific optimal decisions, i.e. actions, and gets immediate rewards which maximizes the long term expected reward. The rewards obtained are the power savings when BTS operates as a SON by means of dynamic sectorization against the operation of BTS in uppermost mode irrespective of the traffic load. Further, transition cost to address mode switching cost and delay cost to address QoS are also discussed and elaborated through appropriate simulation to realize the actual energy savings.
Subjects/Keywords: Energy conservation; Renewable energy sources
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Manager
APA (6th Edition):
Regmi, U. R. (2017). Energy efficient operation of a base transceiver station using markov decision process. (Thesis). Ryerson University. Retrieved from https://digital.library.ryerson.ca/islandora/object/RULA%3A6553
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):
Regmi, Udaya Raj. “Energy efficient operation of a base transceiver station using markov decision process.” 2017. Thesis, Ryerson University. Accessed January 15, 2021.
https://digital.library.ryerson.ca/islandora/object/RULA%3A6553.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Regmi, Udaya Raj. “Energy efficient operation of a base transceiver station using markov decision process.” 2017. Web. 15 Jan 2021.
Vancouver:
Regmi UR. Energy efficient operation of a base transceiver station using markov decision process. [Internet] [Thesis]. Ryerson University; 2017. [cited 2021 Jan 15].
Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A6553.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Regmi UR. Energy efficient operation of a base transceiver station using markov decision process. [Thesis]. Ryerson University; 2017. Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A6553
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Ryerson University
21.
Roy, Pallavi.
Mutagenesis of novel clostridial fusants for enhanced green biobutanol production using renewable and sustainable feedstock.
Degree: 2014, Ryerson University
URL: https://digital.library.ryerson.ca/islandora/object/RULA%3A3688
► Biobutanol was produced in the present work through Simultaneous Saccharification and Fermentation (SSF) of cellulosic feedstock (i.e. wheat straw (WS)) and algal biomass. Novel Clostridial…
(more)
▼ Biobutanol was produced in the present work through Simultaneous Saccharification and Fermentation (SSF) of cellulosic feedstock (i.e. wheat straw (WS)) and algal biomass. Novel Clostridial fused strains developed earlier underwent mutagenesis for strain enhancement using UV and chemical mutagen (ethyl methanesulphonate). Results for mutated strains showed higher biobutanol production of 14.6 g/L, with total acetone, biobutanol and ethanol (ABE) yield of 0.6 g/g. Moreover, mutated strains showed tolerance to biobutanol toxicity at 15g/L; ~15% increase over literature values. Algal biomass was pre-treated using different thermal, chemical and enzymatic pre-treatments to define its biobutanol production potential compared to WS. A total sugar concentration of 26.4 g/L and glucose concentration of 12.48 g/L was obtained with enzymatic pre-treatment. Biobutanol production through SSF of algal biomass showed maximum concentration of biobutanol of 7.52 g/L with a total ABE yield of 0.48 g/g.
Advisors/Committee Members: Ryerson University (Degree grantor).
Subjects/Keywords: Renewable energy sources; Sustainable engineering
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APA (6th Edition):
Roy, P. (2014). Mutagenesis of novel clostridial fusants for enhanced green biobutanol production using renewable and sustainable feedstock. (Thesis). Ryerson University. Retrieved from https://digital.library.ryerson.ca/islandora/object/RULA%3A3688
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):
Roy, Pallavi. “Mutagenesis of novel clostridial fusants for enhanced green biobutanol production using renewable and sustainable feedstock.” 2014. Thesis, Ryerson University. Accessed January 15, 2021.
https://digital.library.ryerson.ca/islandora/object/RULA%3A3688.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
MLA Handbook (7th Edition):
Roy, Pallavi. “Mutagenesis of novel clostridial fusants for enhanced green biobutanol production using renewable and sustainable feedstock.” 2014. Web. 15 Jan 2021.
Vancouver:
Roy P. Mutagenesis of novel clostridial fusants for enhanced green biobutanol production using renewable and sustainable feedstock. [Internet] [Thesis]. Ryerson University; 2014. [cited 2021 Jan 15].
Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A3688.
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Council of Science Editors:
Roy P. Mutagenesis of novel clostridial fusants for enhanced green biobutanol production using renewable and sustainable feedstock. [Thesis]. Ryerson University; 2014. Available from: https://digital.library.ryerson.ca/islandora/object/RULA%3A3688
Note: this citation may be lacking information needed for this citation format:
Not specified: Masters Thesis or Doctoral Dissertation
Rochester Institute of Technology
22.
Gosavi, Shriya.
Experimental Performance Study of a Lab-Scale Hydrokite System.
Degree: MS, Mechanical Engineering, 2014, Rochester Institute of Technology
URL: https://scholarworks.rit.edu/theses/8746
► Hydropower plants are the main source of renewable energy from moving water. However, traditional dam systems are somewhat controversial since they are large and…
(more)
▼ Hydropower plants are the main source of
renewable energy from moving water. However, traditional dam systems are somewhat controversial since they are large and often require population relocation, disrupt fish migration, and change the natural flow of the river. Hydrokinetic systems are currently being developed which can harness energy from flowing water with less ecological impact. One hydrokinetic system that may be promising, a hydrokite system, consists of an oscillating arm, boom, and a translating hydrofoil. Due to the hydrodynamic forces caused by the water's velocity, the hydrokite moves back and forth extracting energy from the flow. Previous simulations have shown that power production for this system depends on at least ten different parameters. Little experimental work has been done on hydrokite systems to validate the results of these simulations. This work focused on the experimental testing of a lab-scale hydrokite system. Tests were run to determine the system power trends with respect to hydrofoil angles, boom flip angles, pivot-point location on hydrofoil, tow speed, and hydrofoil submerged depth.
Single dimension parameter tests were done to determine the changes in average cycle power for the system as a function of a given parameter. Power production was highly sensitive to changes in hydrofoil angles (for hydrofoils pivoting at both the quarter and half-chord point). The optimal hydrofoil angle for the tests that were run was approximately β = 60° - 80°. As predicted, the power production increases with increased tow speed and submerged depth, neglecting energy used to flip the hydrofoil. Changes in boom flip angle did not significantly affect power production for the quarter-chord tests, but appeared to be significant in the half-chord tests. Although the largest power produced in all of this testing was approximately 0.14 Watts, this initial testing of the lab-scale system has given us some insight into the important design decisions that will need to be made in order to scale-up the system.
Advisors/Committee Members: Mario W. Gomes.
Subjects/Keywords: Hydrokite; Renewable; Water power
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APA (6th Edition):
Gosavi, S. (2014). Experimental Performance Study of a Lab-Scale Hydrokite System. (Masters Thesis). Rochester Institute of Technology. Retrieved from https://scholarworks.rit.edu/theses/8746
Chicago Manual of Style (16th Edition):
Gosavi, Shriya. “Experimental Performance Study of a Lab-Scale Hydrokite System.” 2014. Masters Thesis, Rochester Institute of Technology. Accessed January 15, 2021.
https://scholarworks.rit.edu/theses/8746.
MLA Handbook (7th Edition):
Gosavi, Shriya. “Experimental Performance Study of a Lab-Scale Hydrokite System.” 2014. Web. 15 Jan 2021.
Vancouver:
Gosavi S. Experimental Performance Study of a Lab-Scale Hydrokite System. [Internet] [Masters thesis]. Rochester Institute of Technology; 2014. [cited 2021 Jan 15].
Available from: https://scholarworks.rit.edu/theses/8746.
Council of Science Editors:
Gosavi S. Experimental Performance Study of a Lab-Scale Hydrokite System. [Masters Thesis]. Rochester Institute of Technology; 2014. Available from: https://scholarworks.rit.edu/theses/8746
Rochester Institute of Technology
23.
Liu, Ziyang.
Renewable Energy-Aware Routing in the Internet.
Degree: MS, Computer Engineering, 2017, Rochester Institute of Technology
URL: https://scholarworks.rit.edu/theses/9661
► The increasing power consumption of the Internet infrastructure has attracted a lot of world-wide attention because of the severe impact on the environment. Many…
(more)
▼ The increasing power consumption of the Internet infrastructure has attracted a lot of world-wide attention because of the severe impact on the environment. Many research works have started to search for solutions of how to reduce the energy consumption in data networks. Other works have considered that generation of electricity from fossil-based fuel emits greenhouse gases into the atmosphere, which leads to global warming. Consequently, another approach for sustainable networks is the utilization of
renewable energy to power the infrastructure.
This thesis introduces a new backbone Internet routing protocol that performs routing considering the different
renewable energy availability at various geographical locations. A Border Gateway Protocol (BGP)-based routing algorithm using a new metric is proposed to increase the utilization of
renewable energy. The aim of the presented protocol is to maximize the total
renewable energy usage of the backbone network and reduce the non-
renewable energy consumption for different traffic load. The new metric is based on a linear energy power consumption model for the selected routers. This linear model describes the power efficiency of routers using a scaling factor (SF), which the proposed algorithm incorporates into the routing metric and combines with a per-packet load balancing scheme to increase the
renewable energy power consumption. Simulations with various configurations were implemented to evaluate the performance of the presented routing algorithm.
Advisors/Committee Members: Andres Kwasinski.
Subjects/Keywords: BGP; Renewable energy; Routing algorithm
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Manager
APA (6th Edition):
Liu, Z. (2017). Renewable Energy-Aware Routing in the Internet. (Masters Thesis). Rochester Institute of Technology. Retrieved from https://scholarworks.rit.edu/theses/9661
Chicago Manual of Style (16th Edition):
Liu, Ziyang. “Renewable Energy-Aware Routing in the Internet.” 2017. Masters Thesis, Rochester Institute of Technology. Accessed January 15, 2021.
https://scholarworks.rit.edu/theses/9661.
MLA Handbook (7th Edition):
Liu, Ziyang. “Renewable Energy-Aware Routing in the Internet.” 2017. Web. 15 Jan 2021.
Vancouver:
Liu Z. Renewable Energy-Aware Routing in the Internet. [Internet] [Masters thesis]. Rochester Institute of Technology; 2017. [cited 2021 Jan 15].
Available from: https://scholarworks.rit.edu/theses/9661.
Council of Science Editors:
Liu Z. Renewable Energy-Aware Routing in the Internet. [Masters Thesis]. Rochester Institute of Technology; 2017. Available from: https://scholarworks.rit.edu/theses/9661
24.
Osman, Mustafe Adam.
Feasibility study of renewable energy-based microgrid hybrid system in Berbera Somaliland.
Degree: Faculty of Electrical and Electronic Engineering, 2018, Universiti Tun Hussein Onn Malaysia
URL: http://eprints.uthm.edu.my/id/eprint/10243/
► Somaliland is a country that has not recognised internationally since it gets its independence in 1991, which has been suffering from electricity crisis due to…
(more)
▼ Somaliland is a country that has not recognised internationally since it gets its independence in 1991, which has been suffering from electricity crisis due to high losses of electricity, less trained personnel, shortage of efficient technical plan, poor infrastructure and high cost of energy (COE) comparing to neighbour countries. The purpose of this project is to come up with plan to reduce this high COE by making economic feasibility to both the existing system of diesel system and proposing renewable energy-based microgrid system in Berbera Power Generation Company. Hybrid Optimization Model of Renewable Energy (HOMER) simulation software is applied to implement cost benefit analysis for both the existing and proposed model. The existing system is evaluated and studded how many litters of diesel the generators uses annually, the cost of energy and the amount of carbon emission that the system produces yearly. Renewable based hybrid microgrid system that consist of two renewable energy resources (wind and PV), two diesel generators, battery storage and converter is optimized in this project. Hence, the proposed system with renewable fraction of 55% can reduce the cost of energy 29% and provides less carbon emission of 40% then the existing system of diesel based system. Last but not least, this project recommended hybrid microgrid system that has less cost of energy of USD 0.262/kWh and environmental friendly system in Berbera Somaliland.
Subjects/Keywords: TJ807-830 Renewable energy sources
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APA (6th Edition):
Osman, M. A. (2018). Feasibility study of renewable energy-based microgrid hybrid system in Berbera Somaliland. (Masters Thesis). Universiti Tun Hussein Onn Malaysia. Retrieved from http://eprints.uthm.edu.my/id/eprint/10243/
Chicago Manual of Style (16th Edition):
Osman, Mustafe Adam. “Feasibility study of renewable energy-based microgrid hybrid system in Berbera Somaliland.” 2018. Masters Thesis, Universiti Tun Hussein Onn Malaysia. Accessed January 15, 2021.
http://eprints.uthm.edu.my/id/eprint/10243/.
MLA Handbook (7th Edition):
Osman, Mustafe Adam. “Feasibility study of renewable energy-based microgrid hybrid system in Berbera Somaliland.” 2018. Web. 15 Jan 2021.
Vancouver:
Osman MA. Feasibility study of renewable energy-based microgrid hybrid system in Berbera Somaliland. [Internet] [Masters thesis]. Universiti Tun Hussein Onn Malaysia; 2018. [cited 2021 Jan 15].
Available from: http://eprints.uthm.edu.my/id/eprint/10243/.
Council of Science Editors:
Osman MA. Feasibility study of renewable energy-based microgrid hybrid system in Berbera Somaliland. [Masters Thesis]. Universiti Tun Hussein Onn Malaysia; 2018. Available from: http://eprints.uthm.edu.my/id/eprint/10243/
25.
Seng, Sue Men.
Location theory based wind energy system planning
.
Degree: Fakulti Kejuruteraan Elektrik dan Elektronik, 2011, Universiti Tun Hussein Onn Malaysia
URL: http://eprints.uthm.edu.my/id/eprint/1746/
► Wind Energy is the one of the fastest growing renewable energy in the last two decades. Besides having the most rapid growth, wind energy has…
(more)
▼ Wind Energy is the one of the fastest growing renewable energy in the last two
decades. Besides having the most rapid growth, wind energy has become a big part
of the energy consumed globally. However, some of the key factors for a successful
wind power project can be overlooked at times, leading to the failure of such projects
and posing negative effects on its contribution. This project studies the key
parameters that are crucial in the process of selecting potential location for optimal
success in wind power planning at its initial stage. The aim is to build a model that
can be generally applied during wind power planning. A multi-criteria decision
making tool: Analytic Hierarchy Process (AHP) is implemented using Saaty scale
ranging from 1-9 to form pairwise comparisons and evaluate the weightage of each
criteria. The result shows the priorities of the parameters and their significance,
indicating the order of which they should be carried out during planning process.
Subjects/Keywords: TJ807-830 Renewable energy sources
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Manager
APA (6th Edition):
Seng, S. M. (2011). Location theory based wind energy system planning
. (Masters Thesis). Universiti Tun Hussein Onn Malaysia. Retrieved from http://eprints.uthm.edu.my/id/eprint/1746/
Chicago Manual of Style (16th Edition):
Seng, Sue Men. “Location theory based wind energy system planning
.” 2011. Masters Thesis, Universiti Tun Hussein Onn Malaysia. Accessed January 15, 2021.
http://eprints.uthm.edu.my/id/eprint/1746/.
MLA Handbook (7th Edition):
Seng, Sue Men. “Location theory based wind energy system planning
.” 2011. Web. 15 Jan 2021.
Vancouver:
Seng SM. Location theory based wind energy system planning
. [Internet] [Masters thesis]. Universiti Tun Hussein Onn Malaysia; 2011. [cited 2021 Jan 15].
Available from: http://eprints.uthm.edu.my/id/eprint/1746/.
Council of Science Editors:
Seng SM. Location theory based wind energy system planning
. [Masters Thesis]. Universiti Tun Hussein Onn Malaysia; 2011. Available from: http://eprints.uthm.edu.my/id/eprint/1746/
University of Michigan
26.
Ritchey, Jennifer.
Renewable Energy Strategy for Southern Company.
Degree: MS, Natural Resources and Environment, 2011, University of Michigan
URL: http://hdl.handle.net/2027.42/83867
► This paper presents a renewable energy compliance strategy and scenario plan for a US utility, taking into consideration shifts in technology costs, levels of carbon…
(more)
▼ This paper presents a
renewable energy compliance strategy and scenario plan for a US utility, taking into consideration shifts in technology costs, levels of carbon regulation, potential
renewable energy portfolio standards, and changes in load demand, fuel costs, resource potential, and
renewable energy credits. This analysis provides context of industry structure and function, peer utilities, economic drivers, outstanding policy issues, pending regulation, and the state of technology.
Advisors/Committee Members: DeCicco, John (advisor), na, na (committee member).
Subjects/Keywords: Renewable Energy; Utility Company
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APA (6th Edition):
Ritchey, J. (2011). Renewable Energy Strategy for Southern Company. (Masters Thesis). University of Michigan. Retrieved from http://hdl.handle.net/2027.42/83867
Chicago Manual of Style (16th Edition):
Ritchey, Jennifer. “Renewable Energy Strategy for Southern Company.” 2011. Masters Thesis, University of Michigan. Accessed January 15, 2021.
http://hdl.handle.net/2027.42/83867.
MLA Handbook (7th Edition):
Ritchey, Jennifer. “Renewable Energy Strategy for Southern Company.” 2011. Web. 15 Jan 2021.
Vancouver:
Ritchey J. Renewable Energy Strategy for Southern Company. [Internet] [Masters thesis]. University of Michigan; 2011. [cited 2021 Jan 15].
Available from: http://hdl.handle.net/2027.42/83867.
Council of Science Editors:
Ritchey J. Renewable Energy Strategy for Southern Company. [Masters Thesis]. University of Michigan; 2011. Available from: http://hdl.handle.net/2027.42/83867
27.
Samiran, Nor Afzanizam.
Simulation study on the performance of vertical axis wind turbine.
Degree: Fakulti Kejuruteraan Mekanikal dan Pembuatan, 2013, Universiti Tun Hussein Onn Malaysia
URL: http://eprints.uthm.edu.my/id/eprint/3726/
► Nowadays, people start to think the Drag type of vertical axis wind turbine (VAWT) as a potential and reliable wind machine in the future. It…
(more)
▼ Nowadays, people start to think the Drag type of vertical axis wind turbine (VAWT) as a
potential and reliable wind machine in the future. It advantageous of simpler and
significantly cheap to build and maintain than conventional Horizontal axis wind turbine
(HAWT) attract the world attention. However, such rotor is suffering from poor
efficiency problems. The present study will consider the design improvement of
Savonius rotor, which is the basic geometry of drag machine, as a critical step to
increase the efficiency of output power. Investigation is conducted to study the effect of
geometrical configuration on the performance of the rotor in terms of coefficient of
torque, coefficient of power and power output. There are three different types of
modification; number of blades variable, shielding method and combination of both
configuration. Computerized Fluid Dynamics (CFD) simulation is conducted to analyze
the flow characteristic of all the rotor types. The continuity and Reynolds Averaged
Navier-Stokes (RANS) equations and realizable k- E epsilon turbulence model are
numerically solved by commercial software Ansys-Fluent 14.0. Simulation computed
the pressure and velocity field of the flow and the force acting on the rotor blades. The
resultant force, pressure and torque coefficient obtained will be used to calculate power
coefficient and power output. The results obtained by transient and steady method for
the conventional two bladed Savonius rotor are in agreement with those obtained
experimentally by other authors and this indicates that the method can be successfully
used for such analysis. The modified 3 and 4 bladed rotors with hybrid shielding method
give the highest maximum power coefficient which 0.37 at TSR 0.5.
Subjects/Keywords: TJ807-830 Renewable energy sources
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MLA ·
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APA (6th Edition):
Samiran, N. A. (2013). Simulation study on the performance of vertical axis wind turbine. (Masters Thesis). Universiti Tun Hussein Onn Malaysia. Retrieved from http://eprints.uthm.edu.my/id/eprint/3726/
Chicago Manual of Style (16th Edition):
Samiran, Nor Afzanizam. “Simulation study on the performance of vertical axis wind turbine.” 2013. Masters Thesis, Universiti Tun Hussein Onn Malaysia. Accessed January 15, 2021.
http://eprints.uthm.edu.my/id/eprint/3726/.
MLA Handbook (7th Edition):
Samiran, Nor Afzanizam. “Simulation study on the performance of vertical axis wind turbine.” 2013. Web. 15 Jan 2021.
Vancouver:
Samiran NA. Simulation study on the performance of vertical axis wind turbine. [Internet] [Masters thesis]. Universiti Tun Hussein Onn Malaysia; 2013. [cited 2021 Jan 15].
Available from: http://eprints.uthm.edu.my/id/eprint/3726/.
Council of Science Editors:
Samiran NA. Simulation study on the performance of vertical axis wind turbine. [Masters Thesis]. Universiti Tun Hussein Onn Malaysia; 2013. Available from: http://eprints.uthm.edu.my/id/eprint/3726/
Loughborough University
28.
Zulkifli, Shamsul Aizam.
Energy recovery from landing aircraft.
Degree: phd, Department of Aeronautical and Automotive Engineering, 2012, Loughborough University
URL: http://eprints.uthm.edu.my/id/eprint/4656/
► Currently, renewable energy sources are the main driver for future electricity generation. This trend is growing faster in the developed countries in order to reduce…
(more)
▼ Currently, renewable energy sources are the main driver for future electricity generation.
This trend is growing faster in the developed countries in order to reduce the green
house effect and also in response to the limited supply of oil, gas and coal which are
currently the major sources for electric generation. For example, the main renewable
energy sources are from wind energy and solar energy but these energies are only available
to those countries that are exposed to these resources. In this thesis an alternative
energy source is investigated where it can be generated from the moving objects or in
form of kinetic energy. The idea is to convert the kinetic energy during landing aircraft
into electrical energy which it can also be stored and transferred to the existing electrical
network. To convert this kinetic energy to electrical energy, the linear generator (LG)
and uncontrolled rectifier have been used for energy conversion. The LG have been
modelled in 3-phase model or in dq model and combined with the diode rectitier that is
used to generate the dc signal outputs. Due to the uncontrolled rectitier the electrical
outputs will have decaying amplitude along the landing time. This condition also happen
to the LG outputs such as the force and the power output. In order to control these
outputs the cascaded buck-boost converter has been used. This converter is responsible
to control the output current at the rectitier and also the LG output power during
landing to more controllable power output. Here, the H1 current control strategy has
been used as it offers a very good performance for current tracking and to increase the
robustness of the controller. During landing huge power is produced at the beginning
and when the landing time is increased, the generated input power from LG is reduced
to zero. Due to this, the energy storage that consits of ultracapacitor, bidirectional converter
and boost converter are usedin order to store and to release the energy depends
on the input power source and load grid power. The voltage proportional-integral (PI)
control strategy has been used for both the converters. The last part is to transfer the
energy from the source and at the ultracapacitor to the load by using the inverter as the
processing device. The power controller and current controller are used at the inverter
in order to control the power flow between the inverter and the grid. This is when the
reference power is determined from the load power in order to generate the reference
current by using the voltage oriented controller (VOC), while the H1 current controller
is used to regulate the inverter current in order to inject the suitable amount of current
that refer to the load power. Finally, a complete energy recovery system for landing
aircraft with the grid connection have been put together to make the whole system to
be as a new renewable energy source for the future electricity generation.
Subjects/Keywords: TJ807-830 Renewable energy sources
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MLA ·
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CSE |
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to Zotero / EndNote / Reference
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APA (6th Edition):
Zulkifli, S. A. (2012). Energy recovery from landing aircraft. (Doctoral Dissertation). Loughborough University. Retrieved from http://eprints.uthm.edu.my/id/eprint/4656/
Chicago Manual of Style (16th Edition):
Zulkifli, Shamsul Aizam. “Energy recovery from landing aircraft.” 2012. Doctoral Dissertation, Loughborough University. Accessed January 15, 2021.
http://eprints.uthm.edu.my/id/eprint/4656/.
MLA Handbook (7th Edition):
Zulkifli, Shamsul Aizam. “Energy recovery from landing aircraft.” 2012. Web. 15 Jan 2021.
Vancouver:
Zulkifli SA. Energy recovery from landing aircraft. [Internet] [Doctoral dissertation]. Loughborough University; 2012. [cited 2021 Jan 15].
Available from: http://eprints.uthm.edu.my/id/eprint/4656/.
Council of Science Editors:
Zulkifli SA. Energy recovery from landing aircraft. [Doctoral Dissertation]. Loughborough University; 2012. Available from: http://eprints.uthm.edu.my/id/eprint/4656/
29.
Ardi, Mohd Aidil.
Power factor improvement in power system with the integration of renewable energy.
Degree: Fakulti Kejuruteraan Elektrik dan Elektronik, 2013, Universiti Tun Hussein Onn Malaysia
URL: http://eprints.uthm.edu.my/id/eprint/4707/
► In the power grid system, the ultimate goals are to transmit power with high power quality and power factor, economical and low risk of system…
(more)
▼ In the power grid system, the ultimate goals are to transmit power with high power quality and power factor, economical and low risk of system failure. The ever increasing of power demands and loads especially non-linear loads making the power system network become complex to operate and the system becomes insecure with large power flows without adequate control. Renewable energy sources, which are expected to be a promising alternative energy source, can bring new challenges when connected to the power grid system. However, the generated power from renewable energy source is always fluctuating due to environmental conditions. In the same way, wind power source injection into an electric grid affects the power quality due to the fluctuation nature of the wind and the comparatively new types of its generators panel. One way to introduce power system control is by applying controller known as FACTS (Flexible AC Transmission System) controllers. STATCOM (Static Synchronous Compensator) and SSSC (Static Synchronous Series Compensator) is one of the FACTS controllers and can be introduced to the power system to regulate terminal voltage and to improve system’s stability and power quality. The FACTS devices (STATCOM and SSSC) control scheme for the grid connected with wind energy generation system is simulated using MATLAB/PSAT in power system block set. By using IEEE 14 bus power system network, the effectiveness of STATCOM and SSSC are tested by applying the controller at the critical location of the power system.
Subjects/Keywords: TJ807-830 Renewable energy sources
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Ardi, M. A. (2013). Power factor improvement in power system with the integration of renewable energy. (Masters Thesis). Universiti Tun Hussein Onn Malaysia. Retrieved from http://eprints.uthm.edu.my/id/eprint/4707/
Chicago Manual of Style (16th Edition):
Ardi, Mohd Aidil. “Power factor improvement in power system with the integration of renewable energy.” 2013. Masters Thesis, Universiti Tun Hussein Onn Malaysia. Accessed January 15, 2021.
http://eprints.uthm.edu.my/id/eprint/4707/.
MLA Handbook (7th Edition):
Ardi, Mohd Aidil. “Power factor improvement in power system with the integration of renewable energy.” 2013. Web. 15 Jan 2021.
Vancouver:
Ardi MA. Power factor improvement in power system with the integration of renewable energy. [Internet] [Masters thesis]. Universiti Tun Hussein Onn Malaysia; 2013. [cited 2021 Jan 15].
Available from: http://eprints.uthm.edu.my/id/eprint/4707/.
Council of Science Editors:
Ardi MA. Power factor improvement in power system with the integration of renewable energy. [Masters Thesis]. Universiti Tun Hussein Onn Malaysia; 2013. Available from: http://eprints.uthm.edu.my/id/eprint/4707/
30.
Sarnon, Mohd Zaki.
Two ways power flow with renewable energy integration.
Degree: Fakulti Kejuruteraan Elektrik dan Elektronik, 2013, Universiti Tun Hussein Onn Malaysia
URL: http://eprints.uthm.edu.my/id/eprint/4716/
► Today’s electric grid was designed to operate as a vertical structure consisting of generation, transmission and distribution and advanced control support devices for reliability, stability…
(more)
▼ Today’s electric grid was designed to operate as a vertical structure consisting of generation, transmission and distribution and advanced control support devices for reliability, stability and efficiency. However, our conventional system grid now facing new challenges including the penetration of Renewable Energy Resources (RER). The advanced development of power grid system for future will give immediate impacts of anew connection such as power flow direction, protection, voltage profile, power quality and stability. This project aims to find out the performance of smart grid system with renewable energy integration and focuses on power flow studies. Thus, modeling of electrical power grid for smart grid is a part of the project throughout some of conventional calculation. The calculation of power flow is based on Newton Raphson method and was developed with existing software for analysis. The power flow calculation aim to evaluate the parameters of that particular performance such as voltages, currents, real and reactive power flow in a system under a given load conditions. The standard test system that used was IEEE 14-Bus System and modification was made to the grid within the integration of renewable energy. Effect of FACTS also implemented in this project as additional case to study the power flow. The comparisons and results from simulation show the variation of power flow when the renewable energy and FACTS devices were applied. In conclusion, this project focus on research to study the power flow in the smart grid with renewable energy integration modeled.
Subjects/Keywords: TJ807-830 Renewable energy sources
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APA ·
Chicago ·
MLA ·
Vancouver ·
CSE |
Export
to Zotero / EndNote / Reference
Manager
APA (6th Edition):
Sarnon, M. Z. (2013). Two ways power flow with renewable energy integration. (Masters Thesis). Universiti Tun Hussein Onn Malaysia. Retrieved from http://eprints.uthm.edu.my/id/eprint/4716/
Chicago Manual of Style (16th Edition):
Sarnon, Mohd Zaki. “Two ways power flow with renewable energy integration.” 2013. Masters Thesis, Universiti Tun Hussein Onn Malaysia. Accessed January 15, 2021.
http://eprints.uthm.edu.my/id/eprint/4716/.
MLA Handbook (7th Edition):
Sarnon, Mohd Zaki. “Two ways power flow with renewable energy integration.” 2013. Web. 15 Jan 2021.
Vancouver:
Sarnon MZ. Two ways power flow with renewable energy integration. [Internet] [Masters thesis]. Universiti Tun Hussein Onn Malaysia; 2013. [cited 2021 Jan 15].
Available from: http://eprints.uthm.edu.my/id/eprint/4716/.
Council of Science Editors:
Sarnon MZ. Two ways power flow with renewable energy integration. [Masters Thesis]. Universiti Tun Hussein Onn Malaysia; 2013. Available from: http://eprints.uthm.edu.my/id/eprint/4716/
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