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Robert Gordon University
1.
Garniati, Leuserina.
Indigenous capability building as an intervention strategy for sustainable energy implementation in vulnerable societies.
Degree: PhD, 2014, Robert Gordon University
URL: http://hdl.handle.net/10059/1120 
► Geospatial regions have different requirements for energy development due to variations in environmental, economic, social, and political constraints which influence their energy demand profiles and…
(more)
▼ Geospatial regions have different requirements for energy development due to variations in environmental, economic, social, and political constraints which influence their energy demand profiles and generation capacities. These constraints determine the policy, strategy, and implementation priorities for sustainable energy consumption, generation, and distribution. This PhD research project focuses on the role of interfaces between sustainable energy policy and appropriate technology; and its iterative feedback loop mechanism to encourage the implementation of sustainable energy systems in a vulnerable society. As a novel contribution to knowledge and practice, this PhD work concludes that: 1. Establishing a local business case for indigenous, appropriate technology, utilising a solid network which receives committed, political support, is an effective intervention strategy to fast track the deployment of sustainable energy systems, which breaks the cycle of vulnerability through social transformation and community empowerment. 2. Being aware of their own Western-Educated-Industrialised-Rich-Democratic (WEIRD) mindsets is a first step for knowledge exchange practitioners to overcome cultural differences and to introduce the intervention strategy. This was synthesised from the following new understandings which were obtained as the outputs of this PhD research: 1. Re-interpretation of the theory of vulnerable societies in relation to sustainable energy; 2. Re-interpretation of the theory of sustainable energy in relation to the proposed fourth dimension of sustainability; 3. Re-interpretation on the theory of appropriate technology in relation to technological independence and indigenous wisdom; 4. Novel conceptual model of a vulnerable society’s problem system; 5. Novel conceptual model of the interfaces between sustainable energy policy and appropriate technology in vulnerable societies. It is expected that the outcome of this PhD research can bridge the gaps identified in theoretical sustainable energy policies whilst in practice provide sound advice and confidence for policy makers and initiative implementers in grounding equal access to energy as a fundamental agent of change towards sustainable societal development.
Subjects/Keywords: 620
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APA (6th Edition):
Garniati, L. (2014). Indigenous capability building as an intervention strategy for sustainable energy implementation in vulnerable societies. (Doctoral Dissertation). Robert Gordon University. Retrieved from http://hdl.handle.net/10059/1120
Chicago Manual of Style (16th Edition):
Garniati, Leuserina. “Indigenous capability building as an intervention strategy for sustainable energy implementation in vulnerable societies.” 2014. Doctoral Dissertation, Robert Gordon University. Accessed February 19, 2019.
http://hdl.handle.net/10059/1120.
MLA Handbook (7th Edition):
Garniati, Leuserina. “Indigenous capability building as an intervention strategy for sustainable energy implementation in vulnerable societies.” 2014. Web. 19 Feb 2019.
Vancouver:
Garniati L. Indigenous capability building as an intervention strategy for sustainable energy implementation in vulnerable societies. [Internet] [Doctoral dissertation]. Robert Gordon University; 2014. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10059/1120.
Council of Science Editors:
Garniati L. Indigenous capability building as an intervention strategy for sustainable energy implementation in vulnerable societies. [Doctoral Dissertation]. Robert Gordon University; 2014. Available from: http://hdl.handle.net/10059/1120
University of Surrey
2.
Abilama, Marc.
Investigating the performance characteristics of bromine quenched Geiger-Müller detectors with age and temperature.
Degree: Thesis (Eng.D.), 2015, University of Surrey
URL: http://epubs.surrey.ac.uk/808811/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675289
► The halogen quench gas present within a Geiger-Müller detector will govern its operational lifetime. Such halogen gases are highly corrosive and are very likely to…
(more)
▼ The halogen quench gas present within a Geiger-Müller detector will govern its operational lifetime. Such halogen gases are highly corrosive and are very likely to interact with their surroundings. This factor must be taken into account when designing GM detectors to extend their lifetimes. The quench gas depletion is thought to be linked to the current resulting from the gas ionisation from each detection event. As such, GM detector lifetimes are typically expressed in units of total counts accumulated. At elevated temperatures, the molecules will possess more thermal energy and become more likely to interact. To preserve the amount of halogen gas in each detector, three different corrosion-resistant techniques have been considered for investigation; the samples used are ZP1200 GM detectors that consist of 446 stainless steel components. The surface treatment techniques used to prepare each sample were labeled as “raw” for an oxygen plasma process, “passivated” for a combination of a nitric acid passivation and an oxygen plasma process and, finally, “plated” for a combination of a chromium plating process and an oxygen plasma process. The effectiveness of each process has been studied at temperatures of up to 175 °C. A Caesium-137 source was used to age all detector samples by irradiating them with dose rates of 1.3 mSv/hr. 32 samples were aged at room temperature and another 32 samples were aged in parallel at an elevated temperature of 125 °C. At room temperature, all detector types produced stable detectors with operational parameters that did not change significantly with age. The plated samples did show an initial rise in their starting voltage (Vs) measurements. At 125 °C, the plated detectors produced the most stable lifetime performance after an initial Vs conditioning period. The passivated and raw detector samples, however, showed a drop in their Vs values. Preliminary studies carried out at 175 °C confirm the superiority of the chromium plating process at resisting performance degradation at elevated temperatures. After investigating the surfaces of the detector components, no changes with age in the bromine content were observed. The plated cathodes showed no bromine deposits when investigated using Energy Dispersive X-Ray Spectroscopy. Bromine was detected on the passivated and raw cathode surfaces, but its quantity remained unchanged with age. The impact of contamination on the performance of gas-filled radiation detectors was also investigated in collaboration with the Institut Laue-Langevin in Grenoble, France.
Subjects/Keywords: 620
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APA (6th Edition):
Abilama, M. (2015). Investigating the performance characteristics of bromine quenched Geiger-Müller detectors with age and temperature. (Doctoral Dissertation). University of Surrey. Retrieved from http://epubs.surrey.ac.uk/808811/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675289
Chicago Manual of Style (16th Edition):
Abilama, Marc. “Investigating the performance characteristics of bromine quenched Geiger-Müller detectors with age and temperature.” 2015. Doctoral Dissertation, University of Surrey. Accessed February 19, 2019.
http://epubs.surrey.ac.uk/808811/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675289.
MLA Handbook (7th Edition):
Abilama, Marc. “Investigating the performance characteristics of bromine quenched Geiger-Müller detectors with age and temperature.” 2015. Web. 19 Feb 2019.
Vancouver:
Abilama M. Investigating the performance characteristics of bromine quenched Geiger-Müller detectors with age and temperature. [Internet] [Doctoral dissertation]. University of Surrey; 2015. [cited 2019 Feb 19].
Available from: http://epubs.surrey.ac.uk/808811/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675289.
Council of Science Editors:
Abilama M. Investigating the performance characteristics of bromine quenched Geiger-Müller detectors with age and temperature. [Doctoral Dissertation]. University of Surrey; 2015. Available from: http://epubs.surrey.ac.uk/808811/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.675289
University of Exeter
3.
Siddorn, Mark J.
Classifying and identifying negative Poisson's ratio : an examination of the auxeticity in zeolitic materials.
Degree: PhD, 2014, University of Exeter
URL: http://hdl.handle.net/10871/17323
► The aim of this thesis is to advance the understanding of auxeticity. This is achieved by developing a more accurate way to classify materials exhibiting…
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▼ The aim of this thesis is to advance the understanding of auxeticity. This is achieved by developing a more accurate way to classify materials exhibiting the property, by carrying out high-throughput atomistic simulations of framework materials based on the SiO2 and GeO2 chemistries, and by exploring mechanistic models and possible correlations with directional density variations. At first this thesis outlines the development of a typographic system for negative Poisson's ratio. Materials are given classifications based on the degree to which auxetic behaviour is observed along specific axes of deformation and the frequency of occurrence of these axes. A systematic study is then performed on the elastic properties of zeolitic silicon dioxide and germanium dioxide structures. The typology is applied to these materials to better understand their auxetic behaviour. The JST framework is identified as isotropically auxetic, the first crystal to exhibit such general negative Poisson's ratios. An exploration into the effects of local density variations between parallel planes on Poisson's ratio is undertaken, but no clear correlation is found. Finally, software for systematically creating and evaluating two dimensional networks of triangles is produced. The geometrical analysis of these rotating structures predicts a high level of auxeticity and further work into three dimensional equivalents is recommended.
Subjects/Keywords: 620
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APA (6th Edition):
Siddorn, M. J. (2014). Classifying and identifying negative Poisson's ratio : an examination of the auxeticity in zeolitic materials. (Doctoral Dissertation). University of Exeter. Retrieved from http://hdl.handle.net/10871/17323
Chicago Manual of Style (16th Edition):
Siddorn, Mark J. “Classifying and identifying negative Poisson's ratio : an examination of the auxeticity in zeolitic materials.” 2014. Doctoral Dissertation, University of Exeter. Accessed February 19, 2019.
http://hdl.handle.net/10871/17323.
MLA Handbook (7th Edition):
Siddorn, Mark J. “Classifying and identifying negative Poisson's ratio : an examination of the auxeticity in zeolitic materials.” 2014. Web. 19 Feb 2019.
Vancouver:
Siddorn MJ. Classifying and identifying negative Poisson's ratio : an examination of the auxeticity in zeolitic materials. [Internet] [Doctoral dissertation]. University of Exeter; 2014. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10871/17323.
Council of Science Editors:
Siddorn MJ. Classifying and identifying negative Poisson's ratio : an examination of the auxeticity in zeolitic materials. [Doctoral Dissertation]. University of Exeter; 2014. Available from: http://hdl.handle.net/10871/17323
University College London (University of London)
4.
Bryant, B. E. M.
Scanning tunnelling microscopy of bilayer manganites.
Degree: PhD, 2010, University College London (University of London)
URL: http://discovery.ucl.ac.uk/19980/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564937
► This thesis describes experimental work carried out on bilayer manganites with the general composition R2-2xA1+2xMn2O7, where R is a trivalent rare earth cation and A…
(more)
▼ This thesis describes experimental work carried out on bilayer manganites with the general composition R2-2xA1+2xMn2O7, where R is a trivalent rare earth cation and A is a divalent alkaline-earth cation. Experiments have been carried out primarily using Scanning Tunnelling Microscopy (STM) and Spectroscopy (STS); bulk electrical transport, MPMS and LEED measurements have also been made. The primary results are obtained from single crystal samples of PrSr2Mn2O7. This compound provides a surface suitable for STM study when cleaved at low temperature in ultra-high vacuum: atomic resolution can be readily achieved. The expected square lattice is observed, together with a larger scale surface modulation which is not presently explained. In some areas of the PrSr2Mn2O7 surface a population of adatoms and surface vacancies is observed. STS data indicate that adatoms carry a negative charge compared to the rest of the surface, and vacancies a positive charge: the adatoms and vacancies are interpreted as oxygen adatoms and oxygen vacancies. A detailed study is made of the oxygen adatoms and vacancies: this is believed to be the firrst such study made on a manganite surface. Oxygen adatoms on the PrSr2Mn2O7 surface are found to be mobile: hopping and adatom-vacancy recombination are observed. Additional results are reported on the layered manganite compound La2-2xSr1+2xMn2O7 at a range of cation doping x. For the LaSr2Mn2O7 compound (x = 0.5) spectroscopic variation has been identied in a variable-temperature STS survey. This indicates the coexistence of two surface electronic phases, possibly the charge ordered and antiferromagnetic phases.
Subjects/Keywords: 620
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APA (6th Edition):
Bryant, B. E. M. (2010). Scanning tunnelling microscopy of bilayer manganites. (Doctoral Dissertation). University College London (University of London). Retrieved from http://discovery.ucl.ac.uk/19980/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564937
Chicago Manual of Style (16th Edition):
Bryant, B E M. “Scanning tunnelling microscopy of bilayer manganites.” 2010. Doctoral Dissertation, University College London (University of London). Accessed February 19, 2019.
http://discovery.ucl.ac.uk/19980/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564937.
MLA Handbook (7th Edition):
Bryant, B E M. “Scanning tunnelling microscopy of bilayer manganites.” 2010. Web. 19 Feb 2019.
Vancouver:
Bryant BEM. Scanning tunnelling microscopy of bilayer manganites. [Internet] [Doctoral dissertation]. University College London (University of London); 2010. [cited 2019 Feb 19].
Available from: http://discovery.ucl.ac.uk/19980/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564937.
Council of Science Editors:
Bryant BEM. Scanning tunnelling microscopy of bilayer manganites. [Doctoral Dissertation]. University College London (University of London); 2010. Available from: http://discovery.ucl.ac.uk/19980/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564937
University College London (University of London)
5.
Calder, S.
Investigation of geometric frustration in magnetic oxides.
Degree: PhD, 2010, University College London (University of London)
URL: http://discovery.ucl.ac.uk/20165/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564956
► This thesis describes the experimental investigations of geometric frustration in magnetic oxides. The rare earth double perovskites Ba2HoSbO6 and Ba2ErSbO6 crystallise into the Fm3m cubic…
(more)
▼ This thesis describes the experimental investigations of geometric frustration in magnetic oxides. The rare earth double perovskites Ba2HoSbO6 and Ba2ErSbO6 crystallise into the Fm3m cubic space group with the rare earth ions forming a face centred cubic arrangement of edge sharing tetrahedra. This arrangement is expected to result in geometric magnetic frustration. Previous studies have revealed no long range order or spin glass behaviour down to 1.5 K. In this work, low temperature neutron scattering measurements were carried out to investigate the magnetic behaviour below 1.5 K. The crystalline electric field was found to dominate the magnetic behaviour. Using experimental results from inelastic neutron scattering the crystal field level scheme was solved for Ba2HoSbO6 and Ba2ErSbO6. These results were used to successfully predict the observed behaviour of both systems, showing that they can be considered to behave as single ion systems down to the lowest temperature investigated of 0.06 K. As such exchange interactions and any effects of frustration are not evident at the temperatures investigated. As a further step to investigate frustration in magnetic oxides LuCuGaO4 was considered. This has triangular bilayers of magnetic Cu2+ and non-magnetic Ga3+ that are expected to lead to two dimensional geometric magnetic frustration of the Cu2+ ions. The presence of Ga3+ on the same lattice site as the Cu2+ lead to charge frustration. Polarised neutron analysis, inelastic neutron scattering and μSR build up a coherent picture of the low temperature behaviour of the system which questions the previous belief in the literature of a spin glass transition. Instead what is found is a spin liquid state. Finally, the problem of interpreting the subtle features and signatures of frustration is considered with an alternative μSR technique. μSR allows local interactions to be investigated, however the problem of interpreting the results can lead to ambiguity. It is shown that it is possible to successfully implant muons outside the sample of interest and accurately measure the sample’s magnetic dipolar field. In this way μSR can be used as a bulk magnetometer with the same frequency response as standard μSR and it is shown that this can be useful in the investigation of frustrated materials with reference to results on Tb2Sn2O7.
Subjects/Keywords: 620
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APA (6th Edition):
Calder, S. (2010). Investigation of geometric frustration in magnetic oxides. (Doctoral Dissertation). University College London (University of London). Retrieved from http://discovery.ucl.ac.uk/20165/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564956
Chicago Manual of Style (16th Edition):
Calder, S. “Investigation of geometric frustration in magnetic oxides.” 2010. Doctoral Dissertation, University College London (University of London). Accessed February 19, 2019.
http://discovery.ucl.ac.uk/20165/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564956.
MLA Handbook (7th Edition):
Calder, S. “Investigation of geometric frustration in magnetic oxides.” 2010. Web. 19 Feb 2019.
Vancouver:
Calder S. Investigation of geometric frustration in magnetic oxides. [Internet] [Doctoral dissertation]. University College London (University of London); 2010. [cited 2019 Feb 19].
Available from: http://discovery.ucl.ac.uk/20165/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564956.
Council of Science Editors:
Calder S. Investigation of geometric frustration in magnetic oxides. [Doctoral Dissertation]. University College London (University of London); 2010. Available from: http://discovery.ucl.ac.uk/20165/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564956
University College London (University of London)
6.
Chaudhary, A. N.
Electronic properties and applications of nanodiamond.
Degree: PhD, 2012, University College London (University of London)
URL: http://discovery.ucl.ac.uk/1349961/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.625860
► In recent years advances in the processing and purification of detonation nanodiamonds has renewed interest into their research, from the basic properties of detonation nanodiamonds…
(more)
▼ In recent years advances in the processing and purification of detonation nanodiamonds has renewed interest into their research, from the basic properties of detonation nanodiamonds to their applications in areas from electronics to biology. Using a colloid of mono dispersed detonation nanodiamonds it is possible to coat various substrate materials. This thesis reports on the suitability and enhancement of nanodiamond coatings for electronic applications. Atomic force microscopy is used to investigate the deposition of nanodiamond particles on substrates. The electrical characteristics of mono-dispersed nanodiamond layers are investigated using impedance spectroscopy, establishing that the layers have high quality dielectric characteristics. Hydrogen terminated CVD diamond is known to have a negative electron affinity (NEA), making it a suitable material for secondary electron emission. This thesis investigates using and optimising nanodiamond coatings on microchannel plates (MCPs) to increase the secondary electron yield of these devices, thereby improving the performance of image intensifiers. The as-received nanodiamond is covered with surface functional groups dependent on post detonation treatments for cleaning and deaggregation. Treatments have been designed which modify the surface groups for homogeneity, followed by an oxidation treatment to provide a platform for metallisation, notably caesium oxide which is known to give a stable and larger NEA surface thus further improving the secondary electron yield. Fourier transform infra-red spectroscopy and has been used to investigate the presence of functional groups. A comprehensive study of the secondary electron emission yield of nanodiamond coatings after various surface treatments is presented. The most effective treatment is found to be a low temperature chemical vapour deposition process which is compatible with the fragile MCP structure. SEM and Raman spectroscopy have been used to provide an insight into the changes of the material, which remains nanodiamond-like. These are the first such results from nanodiamond material.
Subjects/Keywords: 620
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APA (6th Edition):
Chaudhary, A. N. (2012). Electronic properties and applications of nanodiamond. (Doctoral Dissertation). University College London (University of London). Retrieved from http://discovery.ucl.ac.uk/1349961/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.625860
Chicago Manual of Style (16th Edition):
Chaudhary, A N. “Electronic properties and applications of nanodiamond.” 2012. Doctoral Dissertation, University College London (University of London). Accessed February 19, 2019.
http://discovery.ucl.ac.uk/1349961/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.625860.
MLA Handbook (7th Edition):
Chaudhary, A N. “Electronic properties and applications of nanodiamond.” 2012. Web. 19 Feb 2019.
Vancouver:
Chaudhary AN. Electronic properties and applications of nanodiamond. [Internet] [Doctoral dissertation]. University College London (University of London); 2012. [cited 2019 Feb 19].
Available from: http://discovery.ucl.ac.uk/1349961/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.625860.
Council of Science Editors:
Chaudhary AN. Electronic properties and applications of nanodiamond. [Doctoral Dissertation]. University College London (University of London); 2012. Available from: http://discovery.ucl.ac.uk/1349961/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.625860
University College London (University of London)
7.
Rutherford, A.
Electronic effects in radiation damage simulations in metals.
Degree: PhD, 2009, University College London (University of London)
URL: http://discovery.ucl.ac.uk/15817/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564588
► Radiation damage has traditionally been modelled using classical molecular dynamics, in which the role of the electrons is confined to describing bonding via the interatomic…
(more)
▼ Radiation damage has traditionally been modelled using classical molecular dynamics, in which the role of the electrons is confined to describing bonding via the interatomic potential. This is generally sufficient for low radiation energies. However high energy atoms lose a significant proportion of their energy to electronic excitations, therefore a simulation of the relaxation of a metallic lattice after a high energy event requires a description of the energetic interaction between atoms and electrons. The mechanisms of inelastic collisions between electrons and ions, coupling between electrons and phonons and the diffusion of energy through the electronic system to the rest of the lattice become signficant. We have coupled large scale MD simulations of the lattice to a continuum model for the electronic temperature evolution. Energy lost by the atoms due to elastic and inelastic electronic collisions is gained by the electronic system and evolves according to a heat diffusion equation. The electronic energy is coupled to the lattice via a modified Langevin thermostat, representing electron-phonon coupling. Results of the simulation of both displacement cascades and ion tracks, representing the low and high extremes of incident ion energy respectively, are presented. The effect of annealing of pre-existing damage by electronic excitation is studied and the behaviour under swift heavy ion irradiation in iron and tungsten is compared. In simulations of displacement cascades, the strength of coupling between the atoms and electrons emerges as the main parameter determining residual damage. Our new methodology gives rise to reduced damage compared to traditional methods in all cases. Ion track simulations demonstrated that the relaxation dynamics, and hence the residual damage, was dependent on the magnitude and temperature dependence of the electronic thermal parameters.
Subjects/Keywords: 620
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APA (6th Edition):
Rutherford, A. (2009). Electronic effects in radiation damage simulations in metals. (Doctoral Dissertation). University College London (University of London). Retrieved from http://discovery.ucl.ac.uk/15817/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564588
Chicago Manual of Style (16th Edition):
Rutherford, A. “Electronic effects in radiation damage simulations in metals.” 2009. Doctoral Dissertation, University College London (University of London). Accessed February 19, 2019.
http://discovery.ucl.ac.uk/15817/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564588.
MLA Handbook (7th Edition):
Rutherford, A. “Electronic effects in radiation damage simulations in metals.” 2009. Web. 19 Feb 2019.
Vancouver:
Rutherford A. Electronic effects in radiation damage simulations in metals. [Internet] [Doctoral dissertation]. University College London (University of London); 2009. [cited 2019 Feb 19].
Available from: http://discovery.ucl.ac.uk/15817/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564588.
Council of Science Editors:
Rutherford A. Electronic effects in radiation damage simulations in metals. [Doctoral Dissertation]. University College London (University of London); 2009. Available from: http://discovery.ucl.ac.uk/15817/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.564588
Robert Gordon University
8.
Stewart, David.
Well engineering concepts to make methane gas hydrate exploitation affordable.
Degree: Thesis (Eng.D.), 2011, Robert Gordon University
URL: http://hdl.handle.net/10059/902
► There are anticipated to be substantial global deposits of land and seabed methane gas hydrates. The volume of methane gas trapped in these methane gas…
(more)
▼ There are anticipated to be substantial global deposits of land and seabed methane gas hydrates. The volume of methane gas trapped in these methane gas hydrates is calculated to be at least twice the volume of current global reserves of oil & gas as reviewed by the United Nations. These methane gas hydrates are deemed important as a future energy resource, and several companies and countries are looking at the effective exploitation of the resource for methane gas supply. If safe economic exploitation could be achieved the world will have an energy resource that would be able to support the demands for century's to come. The chemistry, physics and geological setting of the natural hydrates make them difficult to exploit using convention hydrocarbon well engineering techniques. The major nations of the world such as the United States of America, Japan, Canada, France and Germany are investing heavily in research and development to gain a better understanding of the gas hydrate energy source. It is an area that we will see confirmed as a major energy source for the world, provided the costs of development can be reduced. In the perma frost land environment and deep sea marine environment Hydrates have traditionally been seen as a major risk to Drilling operations and have been implicated with many drill well blowouts world wide. This thesis critically reviews the existing industry approaches to hydrate exploitation and proposes several new well engineering techniques, which could be applied to effect successful resource recovery. This thesis derives the conclusion that by an enhanced understanding of the deposit area and by the application of new well technology and varied procedures, methane exploitation will be possible. The thesis focused on three areas to reduce cost of development: 1. Low cost, low complexity, subsea systems to drill produce and maintain developments. 2. Utilisation of fit for purpose low cost vessels to conduct the field development drilling and completion. 3. Seabed drilling topdrive system to enable rapid drilling of the development.
Subjects/Keywords: 620
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APA ·
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APA (6th Edition):
Stewart, D. (2011). Well engineering concepts to make methane gas hydrate exploitation affordable. (Doctoral Dissertation). Robert Gordon University. Retrieved from http://hdl.handle.net/10059/902
Chicago Manual of Style (16th Edition):
Stewart, David. “Well engineering concepts to make methane gas hydrate exploitation affordable.” 2011. Doctoral Dissertation, Robert Gordon University. Accessed February 19, 2019.
http://hdl.handle.net/10059/902.
MLA Handbook (7th Edition):
Stewart, David. “Well engineering concepts to make methane gas hydrate exploitation affordable.” 2011. Web. 19 Feb 2019.
Vancouver:
Stewart D. Well engineering concepts to make methane gas hydrate exploitation affordable. [Internet] [Doctoral dissertation]. Robert Gordon University; 2011. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10059/902.
Council of Science Editors:
Stewart D. Well engineering concepts to make methane gas hydrate exploitation affordable. [Doctoral Dissertation]. Robert Gordon University; 2011. Available from: http://hdl.handle.net/10059/902
Robert Gordon University
9.
Chen, Chee Chong.
Development and testing of thin composite palladium membrane for membrane fuel cell processors.
Degree: PhD, 2010, Robert Gordon University
URL: http://hdl.handle.net/10059/1113
► The Palladium (Pd) based membranes have long been the focus of studies for the separation of hydrogen due to its high permeability and selectivity toward…
(more)
▼ The Palladium (Pd) based membranes have long been the focus of studies for the separation of hydrogen due to its high permeability and selectivity toward hydrogen. However, palladium is a precious metal and extremely expensive and its wider applications will depend largely on its ability to become economically feasible to compete with other separation technologies. Hence, the main focus of this study is to produce a supported, thin and defect free palladium composite membrane in a cost effective manner. This thesis also highlights some of current advances in palladium research, especially the membrane preparation methods. In this study, the Pd composite membranes were fabricated by depositing Pd metal as a thin layer by using advanced electroless plating coupled with partial suction method onto a 30nm -Al2O3 support. The suction pressure creates a pressure difference between the bore and tube side of the support and this will eventually encourage the transfer of more Pd metal onto the ceramic support, at the same time densifying the deposited layer and simultaneously prevent mass transfer from the film back into the solution, which is the major problem with conventional electroless plating techniques. The final membrane produced has a thickness of about 6 microns with flux in the order of ~0.1 mol/m2s and H2/N2 selectivity of 140 at 673K. The membrane also show its capability in purifying H2 gas using a reformate gas mixtures containing 67% H2, up to the value of 97.3% pure H2 in a single stage pass at 673K at low pressure differentials of 0.8 barg. Studies conducted also investigate the effects of electroless plating condition and parameters in their resulting relationship with the pore sizes of the ceramic support have on the palladium layer deposited.
Subjects/Keywords: 620
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APA (6th Edition):
Chen, C. C. (2010). Development and testing of thin composite palladium membrane for membrane fuel cell processors. (Doctoral Dissertation). Robert Gordon University. Retrieved from http://hdl.handle.net/10059/1113
Chicago Manual of Style (16th Edition):
Chen, Chee Chong. “Development and testing of thin composite palladium membrane for membrane fuel cell processors.” 2010. Doctoral Dissertation, Robert Gordon University. Accessed February 19, 2019.
http://hdl.handle.net/10059/1113.
MLA Handbook (7th Edition):
Chen, Chee Chong. “Development and testing of thin composite palladium membrane for membrane fuel cell processors.” 2010. Web. 19 Feb 2019.
Vancouver:
Chen CC. Development and testing of thin composite palladium membrane for membrane fuel cell processors. [Internet] [Doctoral dissertation]. Robert Gordon University; 2010. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10059/1113.
Council of Science Editors:
Chen CC. Development and testing of thin composite palladium membrane for membrane fuel cell processors. [Doctoral Dissertation]. Robert Gordon University; 2010. Available from: http://hdl.handle.net/10059/1113
Robert Gordon University
10.
Tan, Sock Fua.
Development of a novel single-phase auto-reclosing scheme for distribution network with integrated distributed generation.
Degree: PhD, 2010, Robert Gordon University
URL: http://hdl.handle.net/10059/806
► According to G59 recommendation, the common practice adopted by utilities in the UK is to disconnect Distributed generators (DGs) immediately once a network fault is…
(more)
▼ According to G59 recommendation, the common practice adopted by utilities in the UK is to disconnect Distributed generators (DGs) immediately once a network fault is detected to prevent islanding operation and disruption of the operation of conventional auto-reclosing schemes. However, with the continuous increase of penetration of DGs into existing distribution networks, it is becoming increasingly important that DGs must support power networks during steady-state and fault conditions. It has been recognised that 80% of faults in distribution networks are temporary and most of them are single-line-to-ground (SLG) faults. This should give a strong incentive to find ways for maintaining DGs in service during temporary SLG faults as far as possible which would benefit utilities, DG developers and customers. The literature survey shows that no research work has been carried out to investigate a fault identification and phase selection algorithm suitable to be used in a novel single-phase auto-reclosing (SPAR) scheme, specifically suitable to distribution networks with DGs, for maintaining the continued operation of DGs during fault conditions. The work in this PhD has focused on investigating feeder protection requirements for continued operation of DGs in radial and ring overhead distribution networks with DGs, particularly the new requirements for operating an auto-reclosing scheme in networks with DGs. Simulation results obtained from this investigation have revealed that it is a possible to maintain continued operation of DGs that are based on DFIG and FSIG during temporary SLG faults in radial and ring operated networks. This is followed by investigating the development of an adaptive fault identification and phase selection algorithm suitable for a SPAR scheme in a power system with DGs. The proposed fault identification and phase selection algorithm uses only the three line currents measured at the relay point. The waveform pattern of phase angle and symmetrical components of the three line currents during the transient period following a fault condition is analysed using IF-THEN condition-based rules in order to determine the type of SLG fault. The verification test results have revealed that the proposed method can correctly detect the faulty phase within one cycle in a distribution network with DGs under various network operating and fault conditions. The work in this PhD has resulted in publication of papers (see Appendix I).
Subjects/Keywords: 620
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APA (6th Edition):
Tan, S. F. (2010). Development of a novel single-phase auto-reclosing scheme for distribution network with integrated distributed generation. (Doctoral Dissertation). Robert Gordon University. Retrieved from http://hdl.handle.net/10059/806
Chicago Manual of Style (16th Edition):
Tan, Sock Fua. “Development of a novel single-phase auto-reclosing scheme for distribution network with integrated distributed generation.” 2010. Doctoral Dissertation, Robert Gordon University. Accessed February 19, 2019.
http://hdl.handle.net/10059/806.
MLA Handbook (7th Edition):
Tan, Sock Fua. “Development of a novel single-phase auto-reclosing scheme for distribution network with integrated distributed generation.” 2010. Web. 19 Feb 2019.
Vancouver:
Tan SF. Development of a novel single-phase auto-reclosing scheme for distribution network with integrated distributed generation. [Internet] [Doctoral dissertation]. Robert Gordon University; 2010. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10059/806.
Council of Science Editors:
Tan SF. Development of a novel single-phase auto-reclosing scheme for distribution network with integrated distributed generation. [Doctoral Dissertation]. Robert Gordon University; 2010. Available from: http://hdl.handle.net/10059/806
Robert Gordon University
11.
Oluyemi, Gbenga Folorunso.
Intelligent grain size profiling using neural network and application to sanding potential prediction in real time.
Degree: PhD, 2007, Robert Gordon University
URL: http://hdl.handle.net/10059/1258
► Production of hydrocarbon from both consolidated and unconsolidated clastic reservoir rocks poses a risk of sand production especially if a well articulated programme of sand…
(more)
▼ Production of hydrocarbon from both consolidated and unconsolidated clastic reservoir rocks poses a risk of sand production especially if a well articulated programme of sand management strategy is not put in place to deal with the problem at the onset of field development. A well articulated programme of sand management would include sand production potential prediction in real time if it is going to be effective at all in achieving the goal of dealing with likely sand problem. Sanding potential prediction in real time is considered an element of sand management strategy that involves the evaluation of risk of sand failure/production and the prediction of the likely sand rate and volume to facilitate optimum design of both downhole and surface equipment especially as related to sand control. Sanding potential prediction is therefore very crucial to reducing costs of field developments to make hitherto unattractive development environments profitable. This undoubtedly will impact positively the present drive to increase worldwide production of hydrocarbon . Specifically, real time sanding potential prediction enables timely reservoir management decisions relating to the choice, design and installation of sand control methods. It is also an important input to sand monitoring and topside management. The current sanding potential prediction models in the industry are found to lack the robustness to predict sanding potential in real time. They also are unable to provide the functionality to track the grain size distributions of the sand producing formation and that of the produced sand. This functionality can be useful in the application of grain size distribution to sanding potential prediction. The scope of this work therefore covers the development of coupled models for grain size distribution and sanding potential predictions in real time. A previous work has introduced the use of a commercial neural network technique for grain size distribution prediction. This work has built upon this by using a purposefully coded neural network in conjunction with statistical techniques to develop a model for grain size distribution prediction in both horizontal and vertical directions and extending the application to failure analysis and prediction of strength and sanding potential in formation rocks. The theoretical basis for this work consists in the cross relationships between formation petrophysical properties and grain size distribution parameters on one hand and between grain size distribution parameters and formation strength parameters on the other hand. Hoek and Brown failure criterion, through an analytical treatment, serves as the platform for the development of the failure model, which is coupled to the grain size distribution and Unconfined Compressive Strength (UCS) models. The results obtained in this work have further demonstrated the application of neural network to grain size distribution prediction. They also demonstrate that grain size distribution information can be used in monitoring changes in formation…
Subjects/Keywords: 620
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APA (6th Edition):
Oluyemi, G. F. (2007). Intelligent grain size profiling using neural network and application to sanding potential prediction in real time. (Doctoral Dissertation). Robert Gordon University. Retrieved from http://hdl.handle.net/10059/1258
Chicago Manual of Style (16th Edition):
Oluyemi, Gbenga Folorunso. “Intelligent grain size profiling using neural network and application to sanding potential prediction in real time.” 2007. Doctoral Dissertation, Robert Gordon University. Accessed February 19, 2019.
http://hdl.handle.net/10059/1258.
MLA Handbook (7th Edition):
Oluyemi, Gbenga Folorunso. “Intelligent grain size profiling using neural network and application to sanding potential prediction in real time.” 2007. Web. 19 Feb 2019.
Vancouver:
Oluyemi GF. Intelligent grain size profiling using neural network and application to sanding potential prediction in real time. [Internet] [Doctoral dissertation]. Robert Gordon University; 2007. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10059/1258.
Council of Science Editors:
Oluyemi GF. Intelligent grain size profiling using neural network and application to sanding potential prediction in real time. [Doctoral Dissertation]. Robert Gordon University; 2007. Available from: http://hdl.handle.net/10059/1258
University of Surrey
12.
Labrador-Darder, Claudia.
Semantically enabled process synthesis and optimisation.
Degree: PhD, 2009, University of Surrey
URL: http://epubs.surrey.ac.uk/758/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502645
► The work presents a novel framework for the synthesis and optimisation of complex design processes that combines superstructure-based optimisation, semantic models (in the form of…
(more)
▼ The work presents a novel framework for the synthesis and optimisation of complex design processes that combines superstructure-based optimisation, semantic models (in the form of ontologies) and analytical tools. The work addresses the representation and extraction of process synthesis knowledge during the optimisation process with the purpose to simplify and interpret design results. The simplification relies on a gradual evolution of the superstructure and corresponding adjustments of the optimisation search. The interpretation is accomplished with the use of analytical tools to translate data into descriptive terms understood by users. Means of analysis include dynamic ontologies populated by computer experiments and continuously upgraded in the course of optimisation. In such a way, knowledge is developed throughout the search. The systematic interpretation of the solutions yields to an understanding of the solution space and to a systematic reduction of the representation employed. The presented approach overcomes the inconclusiveness and difficulty of translation of the solutions usually found in classical stochastic optimisation approaches as well as reduces the experiments to be performed. The approach enables monitoring the search, which is carried out in terms of the extraction of design classes at each optimisation stage. The work explains the integration of the components of the framework and gives detail of its implementation. The framework is presented for the synthesis of isothermal reactor networks, essentially addressing the challenges of a multi-level optimisation problem approached with stochastic tools. However, the approach is not restricted to any particular type of application or optimisation method. The developments are illustrated with various examples from the literature and from industry. Results show how important features and patterns are retrieved at very early stages of process design and demonstrate how the approach reduces the complexity often involved in the final solutions delivering much more clear and simple design configurations as only important features with strong impact on the performance are represented. The designer is provided with optimal design patterns that translate into practical designs rather than complex structures
Subjects/Keywords: 620
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APA (6th Edition):
Labrador-Darder, C. (2009). Semantically enabled process synthesis and optimisation. (Doctoral Dissertation). University of Surrey. Retrieved from http://epubs.surrey.ac.uk/758/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502645
Chicago Manual of Style (16th Edition):
Labrador-Darder, Claudia. “Semantically enabled process synthesis and optimisation.” 2009. Doctoral Dissertation, University of Surrey. Accessed February 19, 2019.
http://epubs.surrey.ac.uk/758/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502645.
MLA Handbook (7th Edition):
Labrador-Darder, Claudia. “Semantically enabled process synthesis and optimisation.” 2009. Web. 19 Feb 2019.
Vancouver:
Labrador-Darder C. Semantically enabled process synthesis and optimisation. [Internet] [Doctoral dissertation]. University of Surrey; 2009. [cited 2019 Feb 19].
Available from: http://epubs.surrey.ac.uk/758/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502645.
Council of Science Editors:
Labrador-Darder C. Semantically enabled process synthesis and optimisation. [Doctoral Dissertation]. University of Surrey; 2009. Available from: http://epubs.surrey.ac.uk/758/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.502645
University of York
13.
Mitchell, Jeremy.
The structure and growth direction of ErSi₂₋ˣ nanowires on Si(001).
Degree: PhD, 2012, University of York
URL: http://etheses.whiterose.ac.uk/3327/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568096
► In this work the structure and interface structure of ErSi₂₋ˣ nanostructures grown on Si(001) are investigated by aberration corrected high angle annular dark field scanning…
(more)
▼ In this work the structure and interface structure of ErSi₂₋ˣ nanostructures grown on Si(001) are investigated by aberration corrected high angle annular dark field scanning transmission electron microscopy. The initial nucleation and growth mechanism are investigated by direct observation of the structure of ultra-small nanowires and it was found that the preferred structure does not fit with the currently accepted growth model. The nanowires nucleate in the hexagonal phase with an orientation relationship with the silicon substrate of (001)_Si/(011̄0)_ErSi₂₋ˣ, [110]_Si/[0001]_ErSi₂₋ˣ which is the exact opposite of the currently accepted strained growth model. As the nanowires increase in size it was observed that the nanostructures transform their orientation relationships to reduce their strain resulting in the structure that is expected from the strained growth model. A new growth model is suggested in that the observed orientation relationship has been found by previous calculations to be lower in energy than the strained growth equivalent for ultra-small nanowires. The interfaces of the ErSi₂₋ˣ nanostructures with Si(001) are found to be highly varied and complex, containing many defects which contribute to a lowering of the intensity of the Er columns directly at the interface. A new strain reduction mechanism is observed where the silicide nanostructure drops down a single Si step on the substrate surface. A structure model of this mechanism is proposed. The nanostructures have shown a preference for the triangular projection of Er columns at the interface which is not thought to be a remnant of the new orientation relationship, but a strain reduction mechanism that competes with the double stepped interface. Some interfaces have been found to have Er columns shifted from their expected positions up into the silicide. This was attributed to an ordering of the vacancies within the ErSi₂₋ˣ silicon lattice at the interface.
Subjects/Keywords: 620
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APA (6th Edition):
Mitchell, J. (2012). The structure and growth direction of ErSi₂₋ˣ nanowires on Si(001). (Doctoral Dissertation). University of York. Retrieved from http://etheses.whiterose.ac.uk/3327/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568096
Chicago Manual of Style (16th Edition):
Mitchell, Jeremy. “The structure and growth direction of ErSi₂₋ˣ nanowires on Si(001).” 2012. Doctoral Dissertation, University of York. Accessed February 19, 2019.
http://etheses.whiterose.ac.uk/3327/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568096.
MLA Handbook (7th Edition):
Mitchell, Jeremy. “The structure and growth direction of ErSi₂₋ˣ nanowires on Si(001).” 2012. Web. 19 Feb 2019.
Vancouver:
Mitchell J. The structure and growth direction of ErSi₂₋ˣ nanowires on Si(001). [Internet] [Doctoral dissertation]. University of York; 2012. [cited 2019 Feb 19].
Available from: http://etheses.whiterose.ac.uk/3327/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568096.
Council of Science Editors:
Mitchell J. The structure and growth direction of ErSi₂₋ˣ nanowires on Si(001). [Doctoral Dissertation]. University of York; 2012. Available from: http://etheses.whiterose.ac.uk/3327/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.568096
University of Leicester
14.
Kareer, Anna.
Nano-scratch hardness and the Lateral Size Effect (LSE).
Degree: PhD, 2015, University of Leicester
URL: http://hdl.handle.net/2381/31844
► Nano-scratch testing has been used throughout this thesis in order to deepen the understanding of the processes occurring during the nano-scratch test, and to develop…
(more)
▼ Nano-scratch testing has been used throughout this thesis in order to deepen the understanding of the processes occurring during the nano-scratch test, and to develop a method for calculating the nano-scratch hardness, from the quantifiable variables that are obtainable from the technique. Scratch testing on the macro scale is a well-established technique, however when reducing the scale of a mechanical test, whilst interest is focussed on the yield strength or hardness of the material, plasticity size effects must be explored. A literature survey concludes that size effects in nano-scratch testing have not been investigated in the past, thus this is the main subject of this thesis. In order to carry out this investigation a number of methods were trialled to calculate the nano-scratch hardness of pure, polycrystalline, oxygen free copper using both the edge forward and the face forward tip orientations of a diamond Berkovich indenter. The results obtained were compared to the indentation hardness and the most theoretically suitable method was adopted for later experiments carried out in this work; the technique for obtaining measurements was optimised, such that a genuine lateral size effect (LSE), whereby the nano-scratch hardness increases with decreasing scratch size, was observed. To further investigate the lateral size effect, nano-scratches were performed on a sample of single crystal copper in different work hardened states. It was observed that the nano-scratch hardness not only increases with decreasing scratch size, but also increases when the spacing between the dislocations in the material is reduced; when the level of work hardening in the sample increases, the density of dislocations increases, thus the spacing between these obstacles is reduced. In addition to this, the anisotropy of the nano-scratch hardness was investigated by altering the scratch direction in the (100) plane of the single crystal copper. It was found that the nano-scratch hardness is anisotropic and that the scratch hardness is largest when the scratch direction is parallel to the slip plane. It is known that the yield strength of a material increases with decreasing average grain size and therefore the effect of grain size on the nano-scratch hardness was considered. By reducing the grain size of pure, annealed, oxygen free copper, the nano-scratch hardness was observed to increase. In all experiments, the nano-scratch hardness values of scratches performed in the face forward tip orientation were larger than that of scratches performed in the edge forward tip orientation, when scratching the same sample condition. This suggests that scratch hardness is tip geometry dependent and in order to develop a method of calculating a tip orientation-independent scratch hardness, the shape of the indenter and the plastic flow of material around the indenter in that orientation, must be known and incorporated into the calculation, possibly as a drag coefficient. In addition to the geometry of the plastic flow, and therefore the plastic zone…
Subjects/Keywords: 620
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Export
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APA (6th Edition):
Kareer, A. (2015). Nano-scratch hardness and the Lateral Size Effect (LSE). (Doctoral Dissertation). University of Leicester. Retrieved from http://hdl.handle.net/2381/31844
Chicago Manual of Style (16th Edition):
Kareer, Anna. “Nano-scratch hardness and the Lateral Size Effect (LSE).” 2015. Doctoral Dissertation, University of Leicester. Accessed February 19, 2019.
http://hdl.handle.net/2381/31844.
MLA Handbook (7th Edition):
Kareer, Anna. “Nano-scratch hardness and the Lateral Size Effect (LSE).” 2015. Web. 19 Feb 2019.
Vancouver:
Kareer A. Nano-scratch hardness and the Lateral Size Effect (LSE). [Internet] [Doctoral dissertation]. University of Leicester; 2015. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/2381/31844.
Council of Science Editors:
Kareer A. Nano-scratch hardness and the Lateral Size Effect (LSE). [Doctoral Dissertation]. University of Leicester; 2015. Available from: http://hdl.handle.net/2381/31844
University of Leicester
15.
Slipper, Daniel James.
Safety requirement patterns for high consequence arming systems.
Degree: PhD, 2015, University of Leicester
URL: http://hdl.handle.net/2381/33071
► This thesis details research investigating issues with the way in which safety requirements (often termed assertions) are written for the specific application of high consequence…
(more)
▼ This thesis details research investigating issues with the way in which safety requirements (often termed assertions) are written for the specific application of high consequence arming systems. Existing methods for deriving such requirements focus on the approach through which these systems are designed. Currently this is based upon three main concepts: isolation, incompatibility and inoperability. These are often referred to as the 3I's, and are used in combination with a fourth I of independence. The issue motivating this research is that there is no rigour in the manner in which these are written and no methods exist to ensure completeness of the resultant requirements set. A systems engineering approach has been adopted to perform this research and considers the needs of stakeholders involved in specification of arming system safety requirements, from these requirements of the project are derived. A solution has been presented in the form of a set of 8 templates which allow repeatable specification of assertions, along with a set of 12 patterns which cover realistic and commonly used relationships between these templates. The template assertions are based upon a state machine format and adopt a novel view of the 3I's where attenuation, incompatibility, state changes and race are used to specify lower level and more detailed requirements than the existing methods. Application of the new approach to real industry projects showed that it identified assertions which were missed using the current state of the art methods. Through use of modelling it has also been demonstrated that the new approach produces a complete set of assertions which, when implemented correctly, provide protection against detonation in a given environment. This approach is intended for use alongside existing methods to produce a set of requirements which meet all regulatory needs, inclusive of independence, something which this approach does not consider.
Subjects/Keywords: 620
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APA (6th Edition):
Slipper, D. J. (2015). Safety requirement patterns for high consequence arming systems. (Doctoral Dissertation). University of Leicester. Retrieved from http://hdl.handle.net/2381/33071
Chicago Manual of Style (16th Edition):
Slipper, Daniel James. “Safety requirement patterns for high consequence arming systems.” 2015. Doctoral Dissertation, University of Leicester. Accessed February 19, 2019.
http://hdl.handle.net/2381/33071.
MLA Handbook (7th Edition):
Slipper, Daniel James. “Safety requirement patterns for high consequence arming systems.” 2015. Web. 19 Feb 2019.
Vancouver:
Slipper DJ. Safety requirement patterns for high consequence arming systems. [Internet] [Doctoral dissertation]. University of Leicester; 2015. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/2381/33071.
Council of Science Editors:
Slipper DJ. Safety requirement patterns for high consequence arming systems. [Doctoral Dissertation]. University of Leicester; 2015. Available from: http://hdl.handle.net/2381/33071
Loughborough University
16.
Thorvald, Peter.
Presenting information in manual assembly.
Degree: PhD, 2011, Loughborough University
URL: https://dspace.lboro.ac.uk/2134/8970
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548055
► Ever since industrialization, manufacturing companies have competed with each other in trying to make the best and the cheapest product and the automotive industry is…
(more)
▼ Ever since industrialization, manufacturing companies have competed with each other in trying to make the best and the cheapest product and the automotive industry is definitely no exception. The arms race between truck and car manufacturers has pushed manufacturing technology and production practice to where it is today. However, whereas companies have traditionally competed with the engineering excellence and technology of their products, the human effort in production is often neglected. After all, there are still many tasks that require the flexibility and intelligence of a human worker. This thesis focuses entirely on the information context of assembly workers. It investigates and discusses their general information behaviour in terms of information need, syntax of information, information sources and technology as well as basic cognitive abilities used to utilize information such as attention and memory. The thesis presents relevant literature on the subject of information behaviour and pinpoints potential hazards of information design in manual assembly. It also identifies three hypotheses that suggest improved productivity and quality of work as a result of certain changes in the information landscape. One hypothesis deals with the layout of information, a second deals with the syntax used to identify parts and a third deals with the information medium used to convey information. Analysis of empirical data gathered shows, among other things, that using unstructured and batched information favours productivity of work; using a syntax with semantic content as opposed to traditional article numbers without any semantic content also improves productivity of work; and using a mobile information unit betters the quality of work. The purpose of the thesis is to present the beginnings of a road map towards the greater understanding of information presentation in manual assembly. As previous research on this application area has been scarce, it draws upon existing theories found in other sciences, primarily cognitive science and its applications such as Human-Computer Interaction (HCI), information theory and human error.
Subjects/Keywords: 620
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APA (6th Edition):
Thorvald, P. (2011). Presenting information in manual assembly. (Doctoral Dissertation). Loughborough University. Retrieved from https://dspace.lboro.ac.uk/2134/8970 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548055
Chicago Manual of Style (16th Edition):
Thorvald, Peter. “Presenting information in manual assembly.” 2011. Doctoral Dissertation, Loughborough University. Accessed February 19, 2019.
https://dspace.lboro.ac.uk/2134/8970 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548055.
MLA Handbook (7th Edition):
Thorvald, Peter. “Presenting information in manual assembly.” 2011. Web. 19 Feb 2019.
Vancouver:
Thorvald P. Presenting information in manual assembly. [Internet] [Doctoral dissertation]. Loughborough University; 2011. [cited 2019 Feb 19].
Available from: https://dspace.lboro.ac.uk/2134/8970 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548055.
Council of Science Editors:
Thorvald P. Presenting information in manual assembly. [Doctoral Dissertation]. Loughborough University; 2011. Available from: https://dspace.lboro.ac.uk/2134/8970 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548055
Heriot-Watt University
17.
Douglas, Ryan McAllister.
Monitoring of the piston ring-pack and cylinder liner interface in diesel engines through acoustic emission measurements.
Degree: PhD, 2007, Heriot-Watt University
URL: http://hdl.handle.net/10399/2140
► Investigation of novel condition monitoring systems for diesel engines has received much recent attention due to the increasing demands placed upon engine components and the…
(more)
▼ Investigation of novel condition monitoring systems for diesel engines has received much recent attention due to the increasing demands placed upon engine components and the limitations of conventional techniques. This thesis documents experimental research conducted to assess the monitoring capabilities of Acoustic Emission (AE) analysis. In particular it focuses on the possibility of monitoring the piston ring-pack and cylinder liner interface, a critical engine sub-system for which there are currently few practical monitoring options. A series of experiments were performed on large, two-stroke and small, four-stroke diesel engines. Tests under normal operating conditions developed a detailed understanding of typical AE generation in terms of both the source mechanisms and the characteristics of the resulting activity. This was supplemented by specific tests to investigate possible AE generation at the ring-pack/liner interface. For instance, for the small engines measures were taken to remove known AE sources in order to accentuate any activity originating at the interface whilst for the large engines the interfacial conditions were purposely deteriorated through the removal of the lubricating oil supply to one cylinder. Interpretation of the results was based mainly upon comparisons with published work encompassing both the expected ring-pack behaviour and AE generation from tribological processes. This provided a strong indication that the source of the ring-pack/liner AE activity was the boundary frictional losses. The ability to monitor this process may be of significant benefit to engine operators as it enhances the diagnostic information currently available and may be incorporated into predictive maintenance strategies. A further diagnostic technique considered was the possibility of using AE parameters combined with information of crankshaft speed fluctuations to evaluate engine balance and identify underperforming cylinders.
Subjects/Keywords: 620
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APA (6th Edition):
Douglas, R. M. (2007). Monitoring of the piston ring-pack and cylinder liner interface in diesel engines through acoustic emission measurements. (Doctoral Dissertation). Heriot-Watt University. Retrieved from http://hdl.handle.net/10399/2140
Chicago Manual of Style (16th Edition):
Douglas, Ryan McAllister. “Monitoring of the piston ring-pack and cylinder liner interface in diesel engines through acoustic emission measurements.” 2007. Doctoral Dissertation, Heriot-Watt University. Accessed February 19, 2019.
http://hdl.handle.net/10399/2140.
MLA Handbook (7th Edition):
Douglas, Ryan McAllister. “Monitoring of the piston ring-pack and cylinder liner interface in diesel engines through acoustic emission measurements.” 2007. Web. 19 Feb 2019.
Vancouver:
Douglas RM. Monitoring of the piston ring-pack and cylinder liner interface in diesel engines through acoustic emission measurements. [Internet] [Doctoral dissertation]. Heriot-Watt University; 2007. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10399/2140.
Council of Science Editors:
Douglas RM. Monitoring of the piston ring-pack and cylinder liner interface in diesel engines through acoustic emission measurements. [Doctoral Dissertation]. Heriot-Watt University; 2007. Available from: http://hdl.handle.net/10399/2140
Heriot-Watt University
18.
Zeng, Jun.
Flip chip assembled high-Q MEMS inductors on silicon for RFIC applications.
Degree: PhD, 2007, Heriot-Watt University
URL: http://hdl.handle.net/10399/2097
► Inductor is a key element for radio-frequency circuits. On-chip inductors of high quality factor (high-Q) are required for high-performance RFICs (Radio-Frequency Integrated Circuits) for next…
(more)
▼ Inductor is a key element for radio-frequency circuits. On-chip inductors of high quality factor (high-Q) are required for high-performance RFICs (Radio-Frequency Integrated Circuits) for next generation wireless communication systems. This thesis presents the theoretical and experimental studies of high-Q suspended inductors produced by flip chip assembly for multi-GHz RFIC applications. The effects of device and substrate parameters on the Q-factor of the inductor devices were studied by numerical simulation using Ansoft HFSS electromagnetic field simulation package. It was found that the detrimental effect ofthe low-resistivity substrate on the inductor's Qfactor can be significantly reduced using the suspended inductor design. Suspended inductor devices were realised using a flip chip assembly method. The gold and copper based inductor structures with the supporting pillars were fabricated on low-cost glass and flexible carriers using UV photolithography and electrofonning technique, and were then assembled onto low-resistivity silicon substrates using the gold-gold thennocompression bonding on a flip chip bond~r, .Individual and 2x2 arrays of meander and spiral inductors have been successfully fabricated with various air gap heights and conductor thicknesses.
Subjects/Keywords: 620
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APA (6th Edition):
Zeng, J. (2007). Flip chip assembled high-Q MEMS inductors on silicon for RFIC applications. (Doctoral Dissertation). Heriot-Watt University. Retrieved from http://hdl.handle.net/10399/2097
Chicago Manual of Style (16th Edition):
Zeng, Jun. “Flip chip assembled high-Q MEMS inductors on silicon for RFIC applications.” 2007. Doctoral Dissertation, Heriot-Watt University. Accessed February 19, 2019.
http://hdl.handle.net/10399/2097.
MLA Handbook (7th Edition):
Zeng, Jun. “Flip chip assembled high-Q MEMS inductors on silicon for RFIC applications.” 2007. Web. 19 Feb 2019.
Vancouver:
Zeng J. Flip chip assembled high-Q MEMS inductors on silicon for RFIC applications. [Internet] [Doctoral dissertation]. Heriot-Watt University; 2007. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10399/2097.
Council of Science Editors:
Zeng J. Flip chip assembled high-Q MEMS inductors on silicon for RFIC applications. [Doctoral Dissertation]. Heriot-Watt University; 2007. Available from: http://hdl.handle.net/10399/2097
Cranfield University
19.
Andreadis, Eleftherios.
Upgrade evaluation of a military turbofan engine.
Degree: PhD, 2009, Cranfield University
URL: http://dspace.lib.cranfield.ac.uk/handle/1826/4937
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529127
► As the gas turbine technology advances, new features are incorporated to field engines. The new technologies can be implemented during upgrade programs, which improve the…
(more)
▼ As the gas turbine technology advances, new features are incorporated to field engines. The new technologies can be implemented during upgrade programs, which improve the characteristics of the engines. It is observed that the current trend is the development of upgrade programs that increase the life of the engines and reduce the Life Cycle Cost, rather than programs that increase the performance of the engines. The main objective of the present thesis is to review the advantages and disadvantages of a real upgrade engine with increased life and of a hypothetical upgrade engine, whose increased life was converted into increased performance, using the same new technology. This thesis investigates a real life upgrade program, the Engine Enhancement Package (EEP), which was developed for the F100-PW-229 military turbofan engine and increases the life of the engine from 4300 cycles to 6000 cycles. This study highlights how the same new technology can be utilized to increase the performance of the engine instead of its life. The performance increase is achieved with the throttle push method, having as main results to increase the thrust by 1.14% and to decrease the life of the upgraded engine from 6000 cycles to 4300 cycles. This result was derived using the Larson Miller Parameter, which is used for the calculation of the creep life. This project provides a detailed assessment of the performance and the lifing of the engine before and after the upgrade in both cases (increased life and increased performance). The findings of this study provide to the military engine user useful information that can be used to determine one’s decision about accepting or not of an extended program like the upgrade presented in this thesis, given its particularly high cost. The main conclusion of this thesis is that the savings from the life increase are more valuable than the increased capabilities from the performance improvement. A similar study for a civil engine can draw significant results. In this case, the increased performance can be presented in terms of increased profit from the better fuel consumption, the increased range and the increased payload.
Subjects/Keywords: 620
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APA (6th Edition):
Andreadis, E. (2009). Upgrade evaluation of a military turbofan engine. (Doctoral Dissertation). Cranfield University. Retrieved from http://dspace.lib.cranfield.ac.uk/handle/1826/4937 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529127
Chicago Manual of Style (16th Edition):
Andreadis, Eleftherios. “Upgrade evaluation of a military turbofan engine.” 2009. Doctoral Dissertation, Cranfield University. Accessed February 19, 2019.
http://dspace.lib.cranfield.ac.uk/handle/1826/4937 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529127.
MLA Handbook (7th Edition):
Andreadis, Eleftherios. “Upgrade evaluation of a military turbofan engine.” 2009. Web. 19 Feb 2019.
Vancouver:
Andreadis E. Upgrade evaluation of a military turbofan engine. [Internet] [Doctoral dissertation]. Cranfield University; 2009. [cited 2019 Feb 19].
Available from: http://dspace.lib.cranfield.ac.uk/handle/1826/4937 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529127.
Council of Science Editors:
Andreadis E. Upgrade evaluation of a military turbofan engine. [Doctoral Dissertation]. Cranfield University; 2009. Available from: http://dspace.lib.cranfield.ac.uk/handle/1826/4937 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.529127
University of Sheffield
20.
Al-Baradi, Ateyyah.
Nanoscale structure and single molecule diffusion in smart polymeric systems.
Degree: PhD, 2012, University of Sheffield
URL: http://etheses.whiterose.ac.uk/14559/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548639
► Soft nanotechnology requires the development and understanding of smart polymeric systems that respond to small changes in the surrounding environment. This thesis reports on the…
(more)
▼ Soft nanotechnology requires the development and understanding of smart polymeric systems that respond to small changes in the surrounding environment. This thesis reports on the structure and dynamics in poly(methacn"lic acid) (PMAA) hydrogels and hyperbranched poly(N-isopropyl acrylamide) (HB-PNIPAM) in response to physical and chemical stimuli. Fluorescence correlation spectroscopy (FCS) has been utilized to study the diffusion of single dextran molecules labelled with fluorescein isothiocyanate within a PMAA hydrogel. Diffusion in pure water shows a temperature dependence described by Zimm dynamics, whereas the diffusion coefficient decreases with temperature in the hydrogel for which a model has been developed. Diffusion in PMAA hydrogel has revealed the mesh size dependence on temperature. The effect of pH and salt on the diffusion in PMAA hydrogel has also been considered. Introducing magnetic nanoparticles to hydrogels forms ferrogels the mesh of which is controlled by applied magnetic fields. The swelling, diffusion and release in PMAA ferro gel has been found to follow the same scaling theory developed in this work. Small angle neutron scattering (SANS) has revealed the structural behaviour of HB-PNIPAM as a function of temperature compared to its linear counterpart. These experiments have shown that water is a good solvent for HB-PNIPAM at low temperatures, while increasing the temperature leads to a gradual collapse of these polymers until they form spherical particles with sharp boundaries of the order of 24-40 nm in diameter, depending on the branching degree. This indicates that HB-PNIPAM shows no entanglements either as a function of temperature or branching degree. In contrast, linear PNIPAM showed a network-like behaviour above its collapsing temperature. Neutron spin echo experiments on HB-PNIPAM are described well by the Rouse model for unentangled chains and the self-diffusion of HB-PNIPAl\I by FCS follows Zimm behaviour, which is in agreement with SANS results. These studies have given a better understanding of the nanostructure and dynamics in the investigated polymeric systems, showing their usefulness as delivery systems for many biological and medical applications.
Subjects/Keywords: 620
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APA (6th Edition):
Al-Baradi, A. (2012). Nanoscale structure and single molecule diffusion in smart polymeric systems. (Doctoral Dissertation). University of Sheffield. Retrieved from http://etheses.whiterose.ac.uk/14559/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548639
Chicago Manual of Style (16th Edition):
Al-Baradi, Ateyyah. “Nanoscale structure and single molecule diffusion in smart polymeric systems.” 2012. Doctoral Dissertation, University of Sheffield. Accessed February 19, 2019.
http://etheses.whiterose.ac.uk/14559/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548639.
MLA Handbook (7th Edition):
Al-Baradi, Ateyyah. “Nanoscale structure and single molecule diffusion in smart polymeric systems.” 2012. Web. 19 Feb 2019.
Vancouver:
Al-Baradi A. Nanoscale structure and single molecule diffusion in smart polymeric systems. [Internet] [Doctoral dissertation]. University of Sheffield; 2012. [cited 2019 Feb 19].
Available from: http://etheses.whiterose.ac.uk/14559/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548639.
Council of Science Editors:
Al-Baradi A. Nanoscale structure and single molecule diffusion in smart polymeric systems. [Doctoral Dissertation]. University of Sheffield; 2012. Available from: http://etheses.whiterose.ac.uk/14559/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.548639
Durham University
21.
Duan, Xiao Xia.
Lipid based sensing of organic vapours : a study combining AFM and QCM.
Degree: PhD, 2014, Durham University
URL: http://etheses.dur.ac.uk/10738/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620786
► This thesis investigates the development of a vapour sensor that is useful in fields such as environmental protection, or healthcare. A summary review of vapour…
(more)
▼ This thesis investigates the development of a vapour sensor that is useful in fields such as environmental protection, or healthcare. A summary review of vapour sensing techniques is given, leading to the choice of exploiting a simple, low cost, high-resolution mass sensing technique-Quartz Crystal Microbalance (QCM) to fabricate a lipid based vapour sensor. Both hydrophilic and hydrophobic vapours have been introduced in the sensing experiment. Three types of lipids based sensors, which were 1, 2-dilauroyl-sn-glycero-3-phosphocholine (DLPC), 1, 2-dioctadecanoyl-sn-glycero-3-phosphocholine (DSPC), cholesterol and their mixtures, were fabricated on AT cut quartz crystal based substrates by spin coating. Atomic Force Microscopy (AFM) was used for topography analysis; QCM was used for quantitative analysis. Film thickness data suggests that a bilayer DLPC is 4.3 nm and a bilayer DSPC is 5.8 nm thick. The average film thickness is approximately proportional to the coating concentration with a constant of proportionality of 4.3 nm/mM and 5.8 nm/mM for DLPC and DSPC, respectively. The results from the AFM and QCM trials have led to the development of a controllable process for the fabrication of a repeatable amount of lipid membrane based vapour sensors. The response of each film when exposed to ethanol, methanol, toluene and cyclohexane vapours was recorded. The results show that hydrophilic compounds could be recognised efficiently by lipids having shorter alkyl chains. Frequency changes caused by adsorption of test vapours could be enhanced when cholesterol was co-immobilised in the lipid layer. The best sensing behaviour (that is, excellent response, reversibility and negligible baseline drift) and sensitivity was achieved in a sensor coated with DLPC/DSPC/cholesterol mixed film (50 mg/ml DLPC/DSPC/cholesterol-1:1:8 in volume ratio). The limit of detection of this sensor is 400 ppm to ethanol, 800 ppm to methanol, 1300 ppm to toluene and 2300 ppm to cyclohexane, separately.
Subjects/Keywords: 620
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APA (6th Edition):
Duan, X. X. (2014). Lipid based sensing of organic vapours : a study combining AFM and QCM. (Doctoral Dissertation). Durham University. Retrieved from http://etheses.dur.ac.uk/10738/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620786
Chicago Manual of Style (16th Edition):
Duan, Xiao Xia. “Lipid based sensing of organic vapours : a study combining AFM and QCM.” 2014. Doctoral Dissertation, Durham University. Accessed February 19, 2019.
http://etheses.dur.ac.uk/10738/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620786.
MLA Handbook (7th Edition):
Duan, Xiao Xia. “Lipid based sensing of organic vapours : a study combining AFM and QCM.” 2014. Web. 19 Feb 2019.
Vancouver:
Duan XX. Lipid based sensing of organic vapours : a study combining AFM and QCM. [Internet] [Doctoral dissertation]. Durham University; 2014. [cited 2019 Feb 19].
Available from: http://etheses.dur.ac.uk/10738/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620786.
Council of Science Editors:
Duan XX. Lipid based sensing of organic vapours : a study combining AFM and QCM. [Doctoral Dissertation]. Durham University; 2014. Available from: http://etheses.dur.ac.uk/10738/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.620786
University of Dundee
22.
Wackerow, Stefan.
Fabrication and characterisation of silver-glass nanocomposites.
Degree: PhD, 2014, University of Dundee
URL: http://hdl.handle.net/10588/1371615f-51ae-4210-bc46-c13c0199f478
► Metallic nanoparticles and nanostructures have spawned significant interest in a wide area of science. Nanoparticles in glass show unique linear and nonlinear optical properties due…
(more)
▼ Metallic nanoparticles and nanostructures have spawned significant interest in a wide area of science. Nanoparticles in glass show unique linear and nonlinear optical properties due to surface plasmon resonances. These induce absorption and scattering of light around the resonance wavelength, which can be tuned by changing size, shape or spatial distribution of the nanoparticles. Metallic nanostructures show local field enhancement effects, which are used for example in surface enhanced Raman scattering. Their large surface area compared to bulk materials makes them interesting for applications in chemistry and life science. In this thesis the synthesis of two different types of silver-glass nanocomposites is investigated. Both materials are prepared from silver ion-exchanged glass, which is also prepared and characterised in house. The first type of nanocomposite is glass doped with silver nanoparticles. It is formed by annealing silver ion-exchanged glass at a temperature close to the transition point. This induces the reduction of silver to atoms and the agglomeration in nanoparticles with a diameter of less than 10nm, which are located in a layer beneath the glass surface, which has a thickness of tens of micrometres. These nanoparticles are responsible for a characteristic absorption band centred around 410nm due to plasmon resonances. The second nanocomposite, which was first produced in the course of this work, is called glass-silver composite. It is created by pulsed laser irradiation of silver ion-exchanged glass. It contains nanoparticles with a diameter of 100nm or more, which are distributed homogeneously in a dense single monolayer at the glass surface. This material shows a strong metal-like reflection of light. The location of nanoparticles at the surface makes it interesting for applications utilising the field enhancement effect of the nanoparticles, such as surface enhanced Raman scattering and enhancement of light conversion. Both nanocomposites and the ion-exchanged glass are characterised by optical microscopy, scanning electron microscopy and optical spectroscopy. The work is divided in four chapters, starting with an introduction in chapter 1. In chapter 2 the method of production of the silver ion-exchanged glass and the properties of the material are presented. Generation of nanoparticles inside the glass by annealing is covered in chapter 3 and an analysis of laser processing of ion-exchanged glasses is shown in chapter 4. The concluding chapter consists of a summary of the work and an outlook.
Subjects/Keywords: 620
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APA (6th Edition):
Wackerow, S. (2014). Fabrication and characterisation of silver-glass nanocomposites. (Doctoral Dissertation). University of Dundee. Retrieved from http://hdl.handle.net/10588/1371615f-51ae-4210-bc46-c13c0199f478
Chicago Manual of Style (16th Edition):
Wackerow, Stefan. “Fabrication and characterisation of silver-glass nanocomposites.” 2014. Doctoral Dissertation, University of Dundee. Accessed February 19, 2019.
http://hdl.handle.net/10588/1371615f-51ae-4210-bc46-c13c0199f478.
MLA Handbook (7th Edition):
Wackerow, Stefan. “Fabrication and characterisation of silver-glass nanocomposites.” 2014. Web. 19 Feb 2019.
Vancouver:
Wackerow S. Fabrication and characterisation of silver-glass nanocomposites. [Internet] [Doctoral dissertation]. University of Dundee; 2014. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10588/1371615f-51ae-4210-bc46-c13c0199f478.
Council of Science Editors:
Wackerow S. Fabrication and characterisation of silver-glass nanocomposites. [Doctoral Dissertation]. University of Dundee; 2014. Available from: http://hdl.handle.net/10588/1371615f-51ae-4210-bc46-c13c0199f478
University of Exeter
23.
Alotaibi, Jawaher Mutlaq.
Theoretical studies of the thermoelectric properties of nanostructured materials.
Degree: PhD, 2016, University of Exeter
URL: http://hdl.handle.net/10871/21794
► This project involves theoretical study of the thermoelectric properties of lead chalcogenidematerials. Thermoelectric (TE)materials are used for the fabrication of devices that are designed to…
(more)
▼ This project involves theoretical study of the thermoelectric properties of lead chalcogenidematerials. Thermoelectric (TE)materials are used for the fabrication of devices that are designed to convert heat into electricity and vice versa. They can be described as a clean alternative for fossil fuel. These materials are characterized by their ability to operate at a broad range of temperatures (2 − 800) K. Lead chalcogenides, such as PbTe, PbSe, and PbS, represent a group of TE materials that have the appealing property of stability at high temperatures, hence they are considered attractive for thermoelectric applications. The simple rocksalt structure of lead chalcogenide combined with its narrow gap semiconductor’s nature has attracted great attention form experimental as well as theoretical researchers. These studies have focused on investigating electronic structures and elastic properties aiming for a better understanding that would lead to a significant improvement in their TE efficiency. In the first part of this thesis we evaluated the optimised parameters for the figure of merit for n-type PbTe: The electrical conductivity, the Seebeck coefficient, and the total thermal conductivity, (i.e. the electronic and lattice thermal conductivity), emphasising on the important role of optical phonons in heat conduction. In the second part, we extended the lattice thermal conductivity work to include PbSe, PbS, and SnTe, where we applied the Debye, Callaway, and Allen theories of thermal conductivity. In the third part we used the effective medium theory to evaluate the lattice thermal conductivity for PbTe-PbSe nanocomposites in three different configurations: nanospheres, nanowires, and superlattices.
Subjects/Keywords: 620
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APA (6th Edition):
Alotaibi, J. M. (2016). Theoretical studies of the thermoelectric properties of nanostructured materials. (Doctoral Dissertation). University of Exeter. Retrieved from http://hdl.handle.net/10871/21794
Chicago Manual of Style (16th Edition):
Alotaibi, Jawaher Mutlaq. “Theoretical studies of the thermoelectric properties of nanostructured materials.” 2016. Doctoral Dissertation, University of Exeter. Accessed February 19, 2019.
http://hdl.handle.net/10871/21794.
MLA Handbook (7th Edition):
Alotaibi, Jawaher Mutlaq. “Theoretical studies of the thermoelectric properties of nanostructured materials.” 2016. Web. 19 Feb 2019.
Vancouver:
Alotaibi JM. Theoretical studies of the thermoelectric properties of nanostructured materials. [Internet] [Doctoral dissertation]. University of Exeter; 2016. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10871/21794.
Council of Science Editors:
Alotaibi JM. Theoretical studies of the thermoelectric properties of nanostructured materials. [Doctoral Dissertation]. University of Exeter; 2016. Available from: http://hdl.handle.net/10871/21794
24.
Kay, Nicholas D.
Nanomechanical and nanoelectromechanical phenomena in 2D-atomic crystals : a scanning probe microscopy approach.
Degree: PhD, 2016, Lancaster University
URL: http://eprints.lancs.ac.uk/83023/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.700841
► In this thesis we probe the morphological, nanomechanical and nanoelectromechanical properties of 2D materials: graphene, MoS2 and h-BN. Throughout this study we extensively use scanning…
(more)
▼ In this thesis we probe the morphological, nanomechanical and nanoelectromechanical properties of 2D materials: graphene, MoS2 and h-BN. Throughout this study we extensively use scanning probe techniques of ultrasonic force microscopy (UFM), direct-contact electrostatic force microscopy (DC-EFM) and heterodyne force microscopy (HFM). With the use of these techniques we report the observation of the nanoscale Moirè pattern when graphene is aligned on h-BN and we propose that the imaging with atomic force microscopy of such a sample is partly due to the variance in both sample adhesion and mechanical stiffness. In addition to this we probe the ability for UFM to detect the subsurface mechanical properties in 2D materials and confirm that the anisotropy present effectively enhances its ability to do so. We apply this knowledge of UFM and 2D materials to detect the decoupling of graphene, grown on 4H-SiC, from the substrate through the intercalation with hydrogen. In the final part of this thesis we discuss the electromechanical phenomena observable in 2D materials and related devices. Through the electrostatic actuation of graphene resonator type devices we are able to probe the electrostatic environment beneath the graphene layer, information that is unavailable to non-contact mode techniques. We then develop this method of DC-EFM to incorporate a sensitivity to the time-dependent properties by introducing the heterodyne mixing principle. This new technique developed, called electrostatic heterodyne force microscopy (E-HFM) is sensitive in the nano-second time domain whilst maintaining the nanoscale lateral and vertical resolution typical of an atomic force microscope. We propose that E-HFM will prove to be a valuable tool in characterising the behaviour of high-frequency small-scale nano electromechanical systems (NEMS) currently beyond the reach of conventional characterisation techniques. Finally we pave the way forward to future NEMS and demonstrate some of the steps taken towards progress in the field.
Subjects/Keywords: 620
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APA (6th Edition):
Kay, N. D. (2016). Nanomechanical and nanoelectromechanical phenomena in 2D-atomic crystals : a scanning probe microscopy approach. (Doctoral Dissertation). Lancaster University. Retrieved from http://eprints.lancs.ac.uk/83023/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.700841
Chicago Manual of Style (16th Edition):
Kay, Nicholas D. “Nanomechanical and nanoelectromechanical phenomena in 2D-atomic crystals : a scanning probe microscopy approach.” 2016. Doctoral Dissertation, Lancaster University. Accessed February 19, 2019.
http://eprints.lancs.ac.uk/83023/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.700841.
MLA Handbook (7th Edition):
Kay, Nicholas D. “Nanomechanical and nanoelectromechanical phenomena in 2D-atomic crystals : a scanning probe microscopy approach.” 2016. Web. 19 Feb 2019.
Vancouver:
Kay ND. Nanomechanical and nanoelectromechanical phenomena in 2D-atomic crystals : a scanning probe microscopy approach. [Internet] [Doctoral dissertation]. Lancaster University; 2016. [cited 2019 Feb 19].
Available from: http://eprints.lancs.ac.uk/83023/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.700841.
Council of Science Editors:
Kay ND. Nanomechanical and nanoelectromechanical phenomena in 2D-atomic crystals : a scanning probe microscopy approach. [Doctoral Dissertation]. Lancaster University; 2016. Available from: http://eprints.lancs.ac.uk/83023/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.700841
25.
Andrews, Claire.
Designing with people with visual impairments : an exploration of the value of extraordinary users in design.
Degree: PhD, 2016, Cardiff Metropolitan University
URL: http://hdl.handle.net/10369/8294
► Resonance is the correlation of needs between extra-ordinary users and ordinary users in extra-ordinary situations. Instances of resonance are common and plentiful, for example: attempting…
(more)
▼ Resonance is the correlation of needs between extra-ordinary users and ordinary users in extra-ordinary situations. Instances of resonance are common and plentiful, for example: attempting to talk to a friend whilst at a loud concert sees similar problems to those that people with hearing impairments overcome everyday, or, using a device whilst wearing thick gloves shows resonance with people with limited dexterity. During a literature review a resonance was identified between people with visual impairments, and people without impairment whilst walking; in that, people with visual impairments cannot visually engage with mobile devices, and, pedestrians without impairment should not visually engage with devices as it causes dangerous and anti-social pedestrian behaviours. This thesis investigates the theory of resonance and the use of extra-ordinary users as design informants utilising the design of a tactile navigation aid as vehicle for investigation and to provide a response to the research question of: “How might the employment of theories of resonance and extraordinary users in the collaborative design process result in better design outputs?”. The research uses a two phase approach; the first phase is a practise-led approach using a participatory design process in which the integration of people with visual impairments into a product design process is documented and a reflective analysis takes place on the techniques utilised, their outcomes and their effectiveness. The second phase moves on to assess the output of this participatory design process against more traditional commercially 3 available aids in a comparative study designed to evaluate the perceived benefits and disadvantages for the resonant scenario of pedestrians without visual impairments. The results show a selection benefits brought about by the recognition of resonance and the inclusion of extra-ordinary users in the design which confirms that working with extra-ordinary users, in this case people with visual impairments, can produce benefits for all users. It also contributes to knowledge by making a series of recommendations for future researchers who plan to design collaboratively with people with visual impairments and finally, by demonstrating the benefits of tactile interaction for mundane navigation commands.
Subjects/Keywords: 620
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APA ·
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APA (6th Edition):
Andrews, C. (2016). Designing with people with visual impairments : an exploration of the value of extraordinary users in design. (Doctoral Dissertation). Cardiff Metropolitan University. Retrieved from http://hdl.handle.net/10369/8294
Chicago Manual of Style (16th Edition):
Andrews, Claire. “Designing with people with visual impairments : an exploration of the value of extraordinary users in design.” 2016. Doctoral Dissertation, Cardiff Metropolitan University. Accessed February 19, 2019.
http://hdl.handle.net/10369/8294.
MLA Handbook (7th Edition):
Andrews, Claire. “Designing with people with visual impairments : an exploration of the value of extraordinary users in design.” 2016. Web. 19 Feb 2019.
Vancouver:
Andrews C. Designing with people with visual impairments : an exploration of the value of extraordinary users in design. [Internet] [Doctoral dissertation]. Cardiff Metropolitan University; 2016. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10369/8294.
Council of Science Editors:
Andrews C. Designing with people with visual impairments : an exploration of the value of extraordinary users in design. [Doctoral Dissertation]. Cardiff Metropolitan University; 2016. Available from: http://hdl.handle.net/10369/8294
26.
Garvey, Bruce.
Combining quantitative and qualitative aspects of problem structuring in computational morphological analysis.
Degree: PhD, 2016, Imperial College London
URL: http://hdl.handle.net/10044/1/42875
► Morphological Analysis (MA) is a problem-structuring method that defines a problem as a set of key parameters, especially under conditions of uncertainty and complexity. Each…
(more)
▼ Morphological Analysis (MA) is a problem-structuring method that defines a problem as a set of key parameters, especially under conditions of uncertainty and complexity. Each parameter is broken down into a set of discrete states or dimensions, being qualitative or quantitative in nature. The scale of the problem is represented as a product of all the selected parameters and their individual states expressed as a total number of configurations. This is the problem space. Configurations where each state within a parameter is deemed consistent with every other state across the other parameters are identified and isolated. This is called the solution space. MA's uptake has been patchy, and latterly overlooked mainly due to the user experience being compromised by three interrelated factors: poor access to support software which can address the combinatorial explosion generated by multi-parameter problem spaces inherent in the use of MA; insufficiently flexible processes that address users' operational constraints; seen to be overly generic, disguising identification of specific application areas of interest. The main research aim in this thesis is to address these constraints. Action Research was used to develop a viable prototype, and beyond, making the product robust enough for commercially viability. The prototype combined algorithms and internal databases with cross-platform accessibility - an innovation complemented by improved processes to enhance user friendliness whilst maintaining methodological integrity. New research areas, including the latest incarnation of MA, are presented with particular emphasis in the areas of ideation, technological creativity and innovation. A company has been established to exploit the technology, with NATO purchasing a licence. With a paucity of in-depth literature on the method combined with little evidence of demonstrable outcomes the thesis is one of a handful of dedicated publications in the last 40 years thus providing a major contribution to the understanding of 'Zwickian' Morphological Analysis.
Subjects/Keywords: 620
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APA (6th Edition):
Garvey, B. (2016). Combining quantitative and qualitative aspects of problem structuring in computational morphological analysis. (Doctoral Dissertation). Imperial College London. Retrieved from http://hdl.handle.net/10044/1/42875
Chicago Manual of Style (16th Edition):
Garvey, Bruce. “Combining quantitative and qualitative aspects of problem structuring in computational morphological analysis.” 2016. Doctoral Dissertation, Imperial College London. Accessed February 19, 2019.
http://hdl.handle.net/10044/1/42875.
MLA Handbook (7th Edition):
Garvey, Bruce. “Combining quantitative and qualitative aspects of problem structuring in computational morphological analysis.” 2016. Web. 19 Feb 2019.
Vancouver:
Garvey B. Combining quantitative and qualitative aspects of problem structuring in computational morphological analysis. [Internet] [Doctoral dissertation]. Imperial College London; 2016. [cited 2019 Feb 19].
Available from: http://hdl.handle.net/10044/1/42875.
Council of Science Editors:
Garvey B. Combining quantitative and qualitative aspects of problem structuring in computational morphological analysis. [Doctoral Dissertation]. Imperial College London; 2016. Available from: http://hdl.handle.net/10044/1/42875
University of Sheffield
27.
Baradaranshokouhi, Yashar.
Estimation of neural field models from spatiotemporal electrophysiological data.
Degree: PhD, 2015, University of Sheffield
URL: http://etheses.whiterose.ac.uk/9665/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.665028
► The human brain is one of the most complex systems faced in research and science. Different methods and theories from various categories of science and…
(more)
▼ The human brain is one of the most complex systems faced in research and science. Different methods and theories from various categories of science and engineering have contributed to understanding the functionality of the brain and its underlying structure. However, development of a complete theory remains a huge challenge. Among many different aspects of this field of research, one of the main branches is focused on brain disorders, causes and possible improvements to treatments and patients' life quality. To tackle this challenge, experimental and clinical measurements have been used with computational models to analyse and contribute to treatments of brain disorders. Signal processing is playing a key role on detecting key features out of brain electrical recordings and developing frameworks that can give insight into underlying structure of recorded observations. As part of the scope of this thesis, previous work have been extended by relaxing some of the assumptions in earlier work and checking the performance of developed framework under new conditions. The main focus of this thesis is based on application of Unscented Kalman Filter with Amari type model for human brain electrical activities. It is assumed that Amari type models can present the underlying dynamics of the brain activity. The Amari type model is presented in state space form and by use of a decomposition method, the estimation framework has been used to estimate the states and connectivity kernel gains. Heterogeneous connectivity is considered as long range connection in a neural network. The novelty introduced in this thesis is the introduction of a heterogeneous connectivity kernel in Amari type model and estimating the connectivity strength. Applications of the developed methods on the synthetic data are applied on epilepsy data and results are presented. By monitoring the parameters, it is possible to show that brain dynamics from normal to abnormal states can be detected. Further research and future work in this area can potentially lead to prediction of seizure and eventually improving life quality of patients with epilepsy.
Subjects/Keywords: 620
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APA (6th Edition):
Baradaranshokouhi, Y. (2015). Estimation of neural field models from spatiotemporal electrophysiological data. (Doctoral Dissertation). University of Sheffield. Retrieved from http://etheses.whiterose.ac.uk/9665/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.665028
Chicago Manual of Style (16th Edition):
Baradaranshokouhi, Yashar. “Estimation of neural field models from spatiotemporal electrophysiological data.” 2015. Doctoral Dissertation, University of Sheffield. Accessed February 19, 2019.
http://etheses.whiterose.ac.uk/9665/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.665028.
MLA Handbook (7th Edition):
Baradaranshokouhi, Yashar. “Estimation of neural field models from spatiotemporal electrophysiological data.” 2015. Web. 19 Feb 2019.
Vancouver:
Baradaranshokouhi Y. Estimation of neural field models from spatiotemporal electrophysiological data. [Internet] [Doctoral dissertation]. University of Sheffield; 2015. [cited 2019 Feb 19].
Available from: http://etheses.whiterose.ac.uk/9665/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.665028.
Council of Science Editors:
Baradaranshokouhi Y. Estimation of neural field models from spatiotemporal electrophysiological data. [Doctoral Dissertation]. University of Sheffield; 2015. Available from: http://etheses.whiterose.ac.uk/9665/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.665028
Durham University
28.
Bagshaw, David Andrew.
Passage shaping in axial flow turbines.
Degree: PhD, 2009, Durham University
URL: http://etheses.dur.ac.uk/2065/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541679
► This thesis describes the novel combination of reverse compound lean, leading edge extension and non-axisymmetric endwall profiling in a highly loaded turbine geometry, for the…
(more)
▼ This thesis describes the novel combination of reverse compound lean, leading edge extension and non-axisymmetric endwall profiling in a highly loaded turbine geometry, for the reduction of secondary flow and loss. The thesis describes each geometrical modification in turn (in addition to their combination) and details their development from concept to experimentally measured performance. The designs are assessed using 3D Navier Stokes modelling. The best performing designs were manufactured and tested experimentally using pneumatic probes, flow visualisation and static pressure tappings. The key sections of the thesis include: • A review of previous non-axisymmetric profiled endwalls, with a view to understanding their performance in a full 3D passage design • The assessment of reverse compound lean in a highly loaded turbine cascade • The design development and subsequent testing of a 3D turbine passage design for minimising pressure loss associated with and kinetic energy in secondary flows. In summary, Passage Shaping works by using reverse compound lean to draw the secondary flows in to the endwall, where a combination of leading edge extension and non-axisymmetric endwall profiling work on the secondary flows to reduce their intensity. The key changes in the downstream flowfield, as a result of the passage shaping designs, are a reduction in loss (both profile and secondary) and a reduction in secondary flow, resulting in a more uniform exit yaw angle
Subjects/Keywords: 620
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APA (6th Edition):
Bagshaw, D. A. (2009). Passage shaping in axial flow turbines. (Doctoral Dissertation). Durham University. Retrieved from http://etheses.dur.ac.uk/2065/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541679
Chicago Manual of Style (16th Edition):
Bagshaw, David Andrew. “Passage shaping in axial flow turbines.” 2009. Doctoral Dissertation, Durham University. Accessed February 19, 2019.
http://etheses.dur.ac.uk/2065/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541679.
MLA Handbook (7th Edition):
Bagshaw, David Andrew. “Passage shaping in axial flow turbines.” 2009. Web. 19 Feb 2019.
Vancouver:
Bagshaw DA. Passage shaping in axial flow turbines. [Internet] [Doctoral dissertation]. Durham University; 2009. [cited 2019 Feb 19].
Available from: http://etheses.dur.ac.uk/2065/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541679.
Council of Science Editors:
Bagshaw DA. Passage shaping in axial flow turbines. [Doctoral Dissertation]. Durham University; 2009. Available from: http://etheses.dur.ac.uk/2065/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541679
Cardiff University
29.
Liu, Huimin.
Knowledge-based inventive conceptual design.
Degree: PhD, 2007, Cardiff University
URL: http://orca.cf.ac.uk/54627/
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584068
► Conceptual design is the first phase of the design process. Most basic functions of a new product and the solutions for solving design problems are…
(more)
▼ Conceptual design is the first phase of the design process. Most basic functions of a new product and the solutions for solving design problems are generated in this critical phase, which will affect the attributes in the later detailed design process. Conceptual design, especially the process of concept generation, is an innovation process that is achieved by human intelligence. The intuition and experience of designers play a significant role during the design process which is hard to be replaced by computer-aided tools or artificial intelligence technology. TR1Z is an inventive problem-solving tool to help people improve creativity. It is applied in this work to generate creative design concepts. The TRIZ inventive principles are extended by integrating other TRIZ tools and TRIZ-derived tools. These principles are also restructured by the inspiration of I-Ching. The Behaviour-Entity representation of inventive principles enables the generation of new and innovative solutions based on TRIZ. The TRIZ Contradiction Matrix (CM) and inventive principles are then used to develop the TRIZ-based concept generation approach by adding constraints to the standard Behaviour-Entity representation of TRIZ. This approach is developed to retrieve modified TRIZ inventive principles and to generate new solutions by re-organising the BEC (Behaviour-Entity-Constraint) representation of principles according to the conflicting design requirements. Finally, a negotiation-based approach is integrated with an existing no-compromise approach to develop a knowledge-based system for automatically detecting and resolving conflicts. The recommendation is given as an output arranged by weight to help the designer improve creativity and efficiency for concept generation and conflict resolution in conceptual design. The approach is implemented by using a rule-based language, JESS. A case study of aircraft fuselage layout design is presented to demonstrate the benefits of using this conflict resolution system.
Subjects/Keywords: 620
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APA ·
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APA (6th Edition):
Liu, H. (2007). Knowledge-based inventive conceptual design. (Doctoral Dissertation). Cardiff University. Retrieved from http://orca.cf.ac.uk/54627/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584068
Chicago Manual of Style (16th Edition):
Liu, Huimin. “Knowledge-based inventive conceptual design.” 2007. Doctoral Dissertation, Cardiff University. Accessed February 19, 2019.
http://orca.cf.ac.uk/54627/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584068.
MLA Handbook (7th Edition):
Liu, Huimin. “Knowledge-based inventive conceptual design.” 2007. Web. 19 Feb 2019.
Vancouver:
Liu H. Knowledge-based inventive conceptual design. [Internet] [Doctoral dissertation]. Cardiff University; 2007. [cited 2019 Feb 19].
Available from: http://orca.cf.ac.uk/54627/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584068.
Council of Science Editors:
Liu H. Knowledge-based inventive conceptual design. [Doctoral Dissertation]. Cardiff University; 2007. Available from: http://orca.cf.ac.uk/54627/ ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.584068
Cranfield University
30.
Panikowska, Katarzyna E.
Service-oriented design of microfludic devices.
Degree: PhD, 2011, Cranfield University
URL: http://dspace.lib.cranfield.ac.uk/handle/1826/5606
;
http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.535420
► Microfluidics is a relatively new and, with an estimation of the market for these devices exceeding $3 billion in 2014, it is considered a profitable…
(more)
▼ Microfluidics is a relatively new and, with an estimation of the market for these devices exceeding $3 billion in 2014, it is considered a profitable domain. Constant development of new technologies and growing demand for more versatile products cause increasing complexity in this area. To address this, the current trends for the domain include automation, standardisation and customisation. At the same time, the society is moving from product types offering to services. Due to the customisation trend this transition appears beneficial for microfluidics. Taking advantage of these opportunities, an investigation of microfluidic design has been undertaken to address the issues at their origins. The literature review showed a lack of a general design methodology applicable for all microfluidic devices, identified existing approaches as technology driven and the domain as unique in terms of design. Also, it highlighted a number of automation and standardisation attempts in the area. In addition, microfluidics shows limited customer and service-orientation. Meanwhile, an investigation of complexity and its implications in microfluidics narrowed the study to sub-section interactions, which allowed standardisation and automation without compromising customisation. In response to these gaps, an aim of the research is to develop a guideline for service- oriented design of microfluidic devices that can deal with sub-section interactions. This research reviews: existing methodologies for design in micro-scale, their applicability to the domain, microfluidic practitioners’ approach to design, state of service-thinking and services in the area and how sub-section interactions are dealt with for these devices. The developed guideline and design enablers present a proposal for a general process for the design of microfluidics. The solution attempts to tackle the issue of sub- section interactions and brings the domain one step towards an ‘experience economy’ by incorporating service-considerations into the design process. The usefulness of this contribution has been confirmed by a variety of methods and numerous sources including experts in the field.
Subjects/Keywords: 620
Record Details
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APA ·
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MLA ·
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CSE |
Export
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Manager
APA (6th Edition):
Panikowska, K. E. (2011). Service-oriented design of microfludic devices. (Doctoral Dissertation). Cranfield University. Retrieved from http://dspace.lib.cranfield.ac.uk/handle/1826/5606 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.535420
Chicago Manual of Style (16th Edition):
Panikowska, Katarzyna E. “Service-oriented design of microfludic devices.” 2011. Doctoral Dissertation, Cranfield University. Accessed February 19, 2019.
http://dspace.lib.cranfield.ac.uk/handle/1826/5606 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.535420.
MLA Handbook (7th Edition):
Panikowska, Katarzyna E. “Service-oriented design of microfludic devices.” 2011. Web. 19 Feb 2019.
Vancouver:
Panikowska KE. Service-oriented design of microfludic devices. [Internet] [Doctoral dissertation]. Cranfield University; 2011. [cited 2019 Feb 19].
Available from: http://dspace.lib.cranfield.ac.uk/handle/1826/5606 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.535420.
Council of Science Editors:
Panikowska KE. Service-oriented design of microfludic devices. [Doctoral Dissertation]. Cranfield University; 2011. Available from: http://dspace.lib.cranfield.ac.uk/handle/1826/5606 ; http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.535420
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Open Access Theses and Dissertations