Tesis sobre el tema "Thermoelectric Power"
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Akdogan, Volkan. "Thermoelectric power generator for automotive applications". Thesis, University of Nottingham, 2016. http://eprints.nottingham.ac.uk/37702/.
Texto completoSmith, Kevin D. "An investigation into the viability of heat sources for thermoelectric power generation systems /". Online version of thesis, 2009. http://hdl.handle.net/1850/8266.
Texto completoHu, Shih-Yung. "Heat transfer enhancement in thermoelectric power generation". [Ames, Iowa : Iowa State University], 2009.
Buscar texto completoTwaha, Ssennoga. "Regulation of power generated from thermoelectric generators". Thesis, University of Nottingham, 2018. http://eprints.nottingham.ac.uk/49544/.
Texto completoRutberg, Michael J. (Michael Jacob). "Modeling water use at thermoelectric power plants". Thesis, Massachusetts Institute of Technology, 2012. http://hdl.handle.net/1721.1/74674.
Texto completoThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
Cataloged from student submitted PDF version of thesis.
Includes bibliographical references (p. 74-77).
The withdrawal and consumption of water at thermoelectric power plants affects regional ecology and supply security of both water and electricity. The existing field data on US power plant water use, however, is of limited granularity and poor quality, hampering efforts to track industry trends and project future scenarios. Furthermore, there is a need for a common quantitative framework on which to evaluate the effects of various technologies on water use at power plants. To address these deficiencies, Part 1 of this thesis develops an analytical system-level generic model (SGEM) of water use at power plants. The S-GEM applies to fossil, nuclear, geothermal and solar thermal plants, using either steam or combined cycles, and outputs water withdrawal and consumption intensity, in liters per megawatt-hour. Two validations of the S-GEM are presented, one against data from the literature for a variety of generation types, the other against field data from coal plants in South Africa. Part 2 of the thesis then focuses on cooling systems, by far the largest consumers of water in most power plants. The water consumption of different cooling systems is placed on a common quantitative basis, enabling direct comparison of water consumption between cooling system types, and examination of the factors that affect water consumption within each cooling system type. The various cost, performance, and environmental impact tradeoffs associated with once-through, pond, wet tower, dry, and hybrid cooling technologies are qualitatively reviewed. Part 3 examines cooling of concentrating solar power (CSP) plants, which presents particular problems: the plants generate high waste heat loads, are usually located in water-scarce areas, and are typically on the margin of economic viability. A case study is conducted to explore the use of indirect dry cooling with cold-side thermal energy storage, in which cooling water is chilled and stored at night, when ambient temperatures are lower and the plant is inactive, and then used the following day. This approach is shown to hold promise for reducing the capital, operational, and performance costs of dry cooling for CSP.
by Michael J. Rutberg.
S.M.
Naylor, Andrew J. "Towards highly-efficient thermoelectric power harvesting generators". Thesis, University of Southampton, 2014. https://eprints.soton.ac.uk/366984/.
Texto completoMontecucco, Andrea. "Efficiently maximising power generation from thermoelectric generators". Thesis, University of Glasgow, 2014. http://theses.gla.ac.uk/5213/.
Texto completoOmer, Siddig Adam. "Solar thermoelectric system for small scale power generation". Thesis, Loughborough University, 1997. https://dspace.lboro.ac.uk/2134/7440.
Texto completoJovovic, Vladimir. "Engineering of Thermoelectric Materials for Power Generation Applications". The Ohio State University, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=osu1248125874.
Texto completoKamata, Masahiro. "Engineering Considerations on Thermoelectric Power in Electrochemical Systems". Kyoto University, 1988. http://hdl.handle.net/2433/74722.
Texto completoThompson, Megan Elizabeth Dove. "Fabrication and Testing of a Heat Exchanger Module for Thermoelectric Power Generation in an Automobile Exhaust System". Thesis, Virginia Tech, 2013. http://hdl.handle.net/10919/19233.
Texto completoThis study focuses on developing efficient heat exchanger modules for the cold side of the TEG through the analysis of experimental data. The experimental set up mimics conditions that were previously used in a computational fluid dynamics (CFD) model. This model tested several different geometries of cold side sections for the heat exchanger at standard coolant and exhaust temperatures for a typical car. The test section uses the same temperatures as the CFD model, but the geometry is a 1/5th scaled down model compared to an full-size engine and was fabricated using a metal-based rapid prototyping process. The temperatures from the CFD model are validated through thermocouple measurements, which provide the distribution of the temperatures across the TEG. All of these measurements are compared to the CFD model for trends and temperatures to ensure that the model is accurate. Two cold side geometries, a baseline geometry and an impingement geometry, are compared to determine which will produce the greater temperature gradient across the TEG.
Master of Science
Sandoz-Rosado, Emil Jose. "Investigation and development of advanced models of thermoelectric generators for power generation applications /". Online version of thesis, 2009. http://hdl.handle.net/1850/10795.
Texto completoEngelke, Kylan Wynn. "Novel thermoelectric generator for stationary power waste heat recovery". Thesis, Montana State University, 2010. http://etd.lib.montana.edu/etd/2010/engelke/EngelkeK0510.pdf.
Texto completoLowe, Adam John. "Thermoelectric power and photoemission studies in high temperature superconductors". Thesis, University of Leeds, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.305550.
Texto completoMayer, Peter (Peter Matthew) 1978. "High-density thermoelectric power generation and nanoscale thermal metrology". Thesis, Massachusetts Institute of Technology, 2007. http://hdl.handle.net/1721.1/40503.
Texto completoIncludes bibliographical references (p. 299-305).
Thermoelectric power generation has been around for over 50 years but has seen very little large scale implementation due to the inherently low efficiencies and powers available from known materials. Recent material advances appear to have improved the technology's prospects. In this work we show that significantly increased generated power densities are possible even for established material technologies provided that parasitic losses are controlled and effective strategies are found for handling the large resulting heat fluxes. We optimize the performance of a thermoelectric generator in this regime, and discuss fundamental performance limits in this context. We present a design of a thermoelectric generator using conventional material and a microchannel heat sink that we predict can generate many times the power of a conventional thermoelectric, at a comparable efficiency. A high temperature vacuum test station is used to characterize the power generation, efficiency, and material properties of thermoelectric materials and generators. The results of a series of studies on various bulk and thin-film materials are presented, as well as packaged generator performance. The method of CCD thermoreflectance imaging is pursued in this thesis as a quantitative means for making noncontact temperature measurements on solid-state samples at the micro- and nano-scale. We develop and test a theory of the instrument and the measurement process to rigorously characterize the accuracy and precision of the resulting thermal images. We experimentally demonstrate sub-micron spatial resolution and sub-20 mK temperature resolution with this tool. High-resolution thermal images of thermoelectric elements, polysilicon-gate field effect transistors, and other integrated electronic devices are presented.
by Peter M. Mayer.
Ph.D.
Kraemer, Daniel Ph D. Massachusetts Institute of Technology. "Solar thermoelectric power conversion : materials characterization to device demonstration". Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/103490.
Texto completoCataloged from PDF version of thesis.
Includes bibliographical references (pages 268-289).
Meeting the ever growing global energy demand with mostly fossil fuel based energy technologies is not sustainable, pollutes the environment and is the main cause of climate change threatening our planet as we know it. Solar energy technologies are a promising, sustainable and clean alternative due to the vast abundance of sunlight. Thus far, photovoltaic solar cells and concentrated solar power are considered to be the most promising approaches. Solar cells directly convert sunlight into electricity by photon induced electron-hole pair generation. Concentrated solar power captures the sunlight in form of heat which is then converted to electricity by means of a traditional mechanical power block. In this thesis, we explore solar thermoelectric generators (STEGs) as an alternative way to convert sunlight to electricity. Similar to concentrated solar power STEGs capture the sunlight in form of heat. However, the captured heat is directly converted to electricity by means of a thermoelectric generator. This solid-state direct heat-to-electricity conversion significantly simplifies the system, reduces cost and maintenance and enables transient operation and system scalability without affecting the performance. Therefore, STEGs have the potential to be deployed as small scale solar power converters in remote areas and on rooftops and as large scale concentrated solar power plants. While the concept of solar thermoelectric power conversion has been proposed over a century ago, most successful experimental efforts reported in, the literature have been limited to below 1 % for STEGs without optical concentration and to approximately 3 - 5 % with optical concentration. Theoretical STEG performances as modeled and discussed in this thesis predict significantly higher efficiencies. A detailed STEG model is introduced to theoretically investigate various parasitic losses and how to minimize their effect to obtain highest and most realistic performance predictions. Additionally, a methodology to optimize a photovoltaic-thermoelectric hybrid system based on spectral splitting is introduced. The optimization and performance prediction of a STEG is only accurate if the relevant material properties are known with high accuracy. However, typical spectroscopy techniques to determine the optical properties, namely the solar absorptance and infrared emittance, of a solar absorber have shortcomings which can lead to significant errors. Similarly, typical commercial equipment to measure the properties of thermoelectric materials including the Seebeck coefficient, the electrical resistivity and the thermal conductivity are prone to large errors. Therefore, we introduce in this thesis novel experimental techniques to measure all relevant properties with improved accuracies in particular the techniques to measure the total hemispherical emittance of a surface and a material's thermal conductivity. A record-low total hemispherical emittance of 0.13 at 500 °C is demonstrated for an Yttria-stabilized-Zirconia-based cermet solar absorber with solar absorptance of 0.91 and thermal stability up to 600 °C. Furthermore, a method was developed to directly measure the efficiency of a thermoelectric leg. Using this method a record-high thermoelectric efficiency of 8.5 % is demonstrated at a relatively small temperature difference of 225 °C for a novel MgAgSb-based compound with hot-pressed silver contact pads. By increasing the temperature difference to a material's compatible 275 °C a thermoelectric efficiency of 10 % is achievable which, thus far, has only been achieve at almost twice the temperature difference. The third main contribution of this thesis is the experimental demonstration of solar thermoelectric power conversion. A record-high STEG efficiency of 4.6 % is demonstrated at AM1.5G (1 kW/m 2) conditions which is 7 times higher than previously reported best values. The performance improvement is achieved by using a STEG with nano-structured bulk thermoelectric materials, a spectrally-selective solar absorber and taking advantage of large thermal concentrations under a vacuum. Despite the vacuum environment and the use of a low-temperature spectrally-selective solar absorber the optimal hot-junction operating temperature is limited to approximately 200 °C due to increasing thermal radiation heat loss. In order to substantially increase the operating temperature difference and STEG efficiency, larger incident solar power densities are required. Furthermore, the STEG requires segmented thermoelectric legs and a high-temperature stable solar absorber. The optimized STEGs are fabricated and tested at moderate and high optical solar concentration. Efficiencies of close to 8 % at 38 suns and close to 10 % at 211 suns, measured based on the solar flux at the absorber, are demonstrated for a STEG with a spectrally-selective solar absorber. The maximum demonstrated solar-to-electricity CSTEG efficiency is 7.5 %. Furthermore, the performance of a STEG at moderate optical concentration with a high-temperature stable black paint solar absorber and a directionally-selective solar receiver cavity is demonstrated to be comparable to a STEG with a spectrally-selective surface at similar insolation.
by Daniel Kraemer.
Ph. D.
Song, Yang M. Eng Massachusetts Institute of Technology. "Oxide based thermoelectric materials for large scale power generation". Thesis, Massachusetts Institute of Technology, 2008. http://hdl.handle.net/1721.1/45358.
Texto completoIncludes bibliographical references (leaves 63-65).
The thermoelectric (TE) devices are based on the Seebeck and Peltier effects, which describe the conversion between temperature gradient and electricity. The effectiveness of the material performance can be described by its figure of merit, ZT, which is defined as ZT = [alpha]²[sigma]T / [kappa] , where a is the Seebeck coefficient of the material, a is the electrical conductivity and [kappa] is the total thermal conductivity, and T is the temperature. In the past, TE power generation has been confined to niche applications. It has been technically and economically more efficient to produce electricity using traditional generators rather than a thermoelectric generator. However, recent significant advances in the scientific understanding of quantum well and nanostructure effects on TE materials properties and modem thin layer and nanoscale manufacturing technologies have combined to create advanced TE materials with high figure of merit (>3). An engineering analysis performed in this study identified large scale waste heat recovery opportunities that are suitable for advanced TE power generation systems.
by Yang Song.
M.Eng.
Rahman, Mahmudur. "The application of thermoelectric generators as remote power sources". Thesis, University of Manchester, 1993. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.645193.
Texto completoRaja, Santosh. "Advanced thermoelectric power measurements using deployable three-point electrodes". University of Cincinnati / OhioLINK, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1439310893.
Texto completoFransson, Erik y Daniel Olsson. "Thermoelectric Generators : A comparison of electrical power outputs depending on temperature". Thesis, Högskolan Dalarna, Institutionen för information och teknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:du-38031.
Texto completoPrabhakar, Radhika. "Scalable Carbon Nanotube Networks Embedded in Elastomers and their use in Transverse Thermoelectric Power Generation". University of Cincinnati / OhioLINK, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1572879766382909.
Texto completoSullivan, Owen A. "Embedded thermoelectric devices for on-chip cooling and power generation". Thesis, Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/45867.
Texto completoChang, Lieh-Jeng. "Neutron diffraction studies of the magnetic structures of R-Ni-B-C compounds". Thesis, University of Warwick, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.245934.
Texto completoThiel, Philipp [Verfasser]. "Calcium Manganese(IV) Oxides for Thermoelectric Power Conversion / Philipp Thiel". München : Verlag Dr. Hut, 2015. http://d-nb.info/1080754431/34.
Texto completoBekera, Behailu Belamo. "Stochastic Drought Risk Analysis and Projection Methods For Thermoelectric Power Systems". Thesis, The George Washington University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3725243.
Texto completoCombined effects of socio-economic, environmental, technological and political factors impact fresh cooling water availability, which is among the most important elements of thermoelectric power plant site selection and evaluation criteria. With increased variability and changes in hydrologic statistical stationarity, one concern is the increased occurrence of extreme drought events that may be attributable to climatic changes. As hydrological systems are altered, operators of thermoelectric power plants need to ensure a reliable supply of water for cooling and generation requirements. The effects of climate change are expected to influence hydrological systems at multiple scales, possibly leading to reduced efficiency of thermoelectric power plants. This study models and analyzes drought characteristics from a thermoelectric systems operational and regulation perspective. A systematic approach to characterize a stream environment in relation to extreme drought occurrence, duration and deficit-volume is proposed and demonstrated. More specifically, the objective of this research is to propose a stochastic water supply risk analysis and projection methods from thermoelectric power systems operation and management perspectives. The study defines thermoelectric drought as a shortage of cooling water due to stressed supply or beyond operable water temperature limits for an extended period of time requiring power plants to reduce production or completely shut down. It presents a thermoelectric drought risk characterization framework that considers heat content and water quantity facets of adequate water availability for uninterrupted operation of such plants and safety of its surroundings. In addition, it outlines mechanisms to identify rate of occurrences of the said droughts and stochastically quantify subsequent potential losses to the sector. This mechanism is enabled through a model based on compound Nonhomogeneous Poisson Process. This study also demonstrates how the systematic approach can be used for better understanding of pertinent vulnerabilities by providing risk-based information to stakeholders in the power sector.
Vulnerabilities as well as our understanding of their extent and likelihood change over time. Keeping up with the changes and making informed decisions demands a time-dependent method that incorporates new evidence into risk assessment framework. This study presents a statistical time-dependent risk analysis approach, which allows for life cycle drought risk assessment of thermoelectric power systems. Also, a Bayesian Belief Network (BBN) extension to the proposed framework is developed. The BBN allows for incorporating new evidence, such as observing power curtailments due to extreme heat or lowflow situations, and updating our knowledge and understanding of the pertinent risk. In sum, the proposed approach can help improve adaptive capacity of the electric power infrastructure, thereby enhancing its resilience to events potentially threatening grid reliability and economic stability.
The proposed drought characterization methodology is applied on a daily streamflow series obtained from three United States Geological Survey (USGS) water gauges on the Tennessee River basin. The stochastic water supply risk assessment and projection methods are demonstrated for two power plants on the White River, Indiana: Frank E. Ratts and Petersburg, using water temperature and streamflow time series data obtained from a nearby USGS gauge.
Nishino, Y., Y. Sandaiji, S. Yagi, M. Kato, S. Harada y K. Soda. "Origin of large thermoelectric power in off-stoichiometric Fe2VAl-based alloys". IOP Publishing, 2011. http://hdl.handle.net/2237/20775.
Texto completoBurton, Matthew Richard. "Soft-templating of nanostructured materials for thermoelectric power harvesting and catalysis". Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/418157/.
Texto completoPalu, Ivo. "Impact of wind parks on power system containing thermal power plants = Tuuleparkide mõju soojuselektrijaamadega energiasüsteemile /". Tallinn : TUI Press, 2009. http://digi.lib.ttu.ee/i/?443.
Texto completoBrogan, Quinn Lynn. "Low Power IC Design with Regulated Output Voltage and Maximum Power Point Tracking for Body Heat Energy Harvesting". Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/81549.
Texto completoMaster of Science
Berger, Brian Lee. "Development of a Protective Coating for TAGS-85 Thermoelectric Material". University of Dayton / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=dayton1375129912.
Texto completoDe, Silva Pinnaduwage Sisira Indika Pujitha Nanda. "The normal state thermoelectric power and Hall effect of high temperature superconductors". Thesis, University of Cambridge, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263528.
Texto completoBadr, Lamya. "A Comparative Study of Cooling System Parameters in U.S. Thermoelectric Power Plants". Thesis, Virginia Tech, 2010. http://hdl.handle.net/10919/72990.
Texto completoMaster of Science
Singh, Tanuj. "Development of a premixed burner integrated thermoelectric power generator for insect control". Thesis, Cardiff University, 2014. http://orca.cf.ac.uk/68407/.
Texto completoBanerjee, D., P. Dhara, K. Chatterjee, K. Kargupta y S. Ganguly. "Thermoelectric Characterization of Nanostructures of Bismuth Prepared by Solvothermal Approach". Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35251.
Texto completoFarmer, Justin Ryan. "A comparison of power harvesting techniques and related energy storage issues". Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/33072.
Texto completoMaster of Science
Takeuchi, Tsunehiro, Takeshi Kondo, Tsuyoshi Takami, Hirofumi Takahashi, Hiroshi Ikuta, Uichiro Mizutani, Kazuo Soda et al. "Contribution of electronic structure to the large thermoelectric power in layered cobalt oxides". The American Physical Society, 2004. http://hdl.handle.net/2237/7117.
Texto completoMueller, Kyle Thomas. "Super-adiabatic combustion in porous media with catalytic enhancement for thermoelectric power conversion". Master's thesis, University of Central Florida, 2011. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4809.
Texto completoID: 030646196; System requirements: World Wide Web browser and PDF reader.; Mode of access: World Wide Web.; Thesis (M.S.A.E.)--University of Central Florida, 2011.; Includes bibliographical references (p. 105-119).
M.S.A.E.
Masters
Mechanical and Aerospace Engineering
Engineering and Computer Science
Aerospace Engineering; Thermofluid Aerodynamic Systems Track
Marton, Christopher Henry. "An air-breathing, portable thermoelectric power generator based on a microfabricated silicon combustor". Thesis, Massachusetts Institute of Technology, 2010. http://hdl.handle.net/1721.1/62615.
Texto completoThis electronic version was submitted by the student author. The certified thesis is available in the Institute Archives and Special Collections.
"February 2011." Cataloged from student submitted PDF version of thesis.
Includes bibliographical references (p. 224-237).
The global consumer demand for portable electronic devices is increasing. The emphasis on reducing size and weight has put increased pressure on the power density of available power storage and generation options, which have been dominated by batteries. The energy densities of many hydrocarbon fuels exceed those of conventional batteries by several orders of magnitude, and this gap motivates research efforts into alternative portable power generation devices based on hydrocarbon fuels. Combustion-based power generation strategies have the potential to achieve significant advances in the energy density of a generator, and thermoelectric power generation is particularly attractive due to the moderate temperatures which are required. In this work, a portable-scale thermoelectric power generator was designed, fabricated, and tested. The basis of the system was a mesoscale silicon reactor for the combustion of butane over an alumina-supported platinum catalyst. The system was integrated with commercial bismuth telluride thermoelectric modules to produce 5.8 W of electrical power with a chemical-to-electrical conversion efficiency of 2.5% (based on lower heating value). The energy and power densities of the demonstrated system were 321 Wh/kg and 17 W/kg, respectively. The pressure drop through the system was 258 Pa for a flow of 15 liters per minute of air, and so the parasitic power requirement for air-pressurization was very low. The demonstration represents an order-of-magnitude improvement in portable-scale electrical power from thermoelectrics and hydrocarbon fuels, and a notable increase in the conversion efficiency compared with other published works. The system was also integrated with thermoelectric-mimicking heat sinks, which imitated the performance of high-heat-flux modules. The combustor provided a heat source of 206 to 362 W to the heat sinks at conditions suitable for a portable, air-breathing TE power generator. The combustor efficiency when integrated with the heat sinks was as high as 76%. Assuming a TE power conversion efficiency of 5%, the design point operation would result in thermoelectric power generation of 14 W, with an overall chemical-to-electrical conversion efficiency of 3.8%.
by Christopher Henry Marton.
Ph.D.
Shoaei, Parisa Daghigh. "Technoeconomic Analysis of Textured Surfaces for Improved Condenser Performance in Thermoelectric Power Plants". Thesis, Virginia Tech, 2021. http://hdl.handle.net/10919/101966.
Texto completoMaster of Science
Liquid repellant surfaces have attracted lots of attention due to their numerous promising characteristics including promoting condensation, drag reduction, prohibiting fouling/deposition, corrosion, and fog/dew harvesting. These attributes have the potential to inspire a variety of applications for these surfaces in power plants, automotive and aviation industries, oils/organic solvents clean-up, fuel cells, solar panels, membrane distillation, stone/concrete protection, surgical fabrics, and biological applications, to name a few. Some of these applications have reached their potential for real-life implementation and more are still at the research phase needing more experimental and fundamental studies to get them ready. The first part of this study presents the fundamentals of the wetting process. Next, fabrication methods for metallic surfaces have been explored to identify the most scalable and cost-effective approaches which could be administered in large scale industrial applications. A comprehensive review of recent publications on features of nonwetting surfaces has been carried out and presented in the second part of this thesis. To establish how realistically these features could enhance the real-life applications of a thermo-economic a performance model is developed for a powerplant condenser in the third section. Through a simple and cost-effective electrodeposition process, the common condenser tubes are modified to achieve textured tubes with superhydrophobic properties. The influence of using textured tubes on the plant's performance and its economic benefits are investigated to predict the potential promises of nonwetting surfaces.
Erturun, Ugur. "Effect of Leg Geometries, Configurations, and Dimensions on Thermo-mechanical and Power-generation Performance of Thermoelectric Devices". VCU Scholars Compass, 2014. http://scholarscompass.vcu.edu/etd/3561.
Texto completoBrázdil, Marian. "Termoelektrické moduly pro mikrokogenerační zdroje". Doctoral thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2019. http://www.nusl.cz/ntk/nusl-399217.
Texto completoDenker, Reha. "Quantification Of Thermoelectric Energy Scavenging Opportunity In Notebook Computers". Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614629/index.pdf.
Texto completowarm spots&rdquo
were identified within the mobile computer to extract TE power with minimum or no notable impact to system performance, as measured by thermal changes in the system, in order to avoid unacceptable performance degradation. The prediction was validated by integrating a TE micro-module to the mobile system under test. Measured TE power generation power density in the carefully selected vicinity of the heat pipe was around 1.26 mW/cm3 with high CPU load. The generated power scales down with lower CPU activity and scales up in proportion to the utilized opportunistic space within the system. The technical feasibility of TE energy harvesting in mobile computers was hence experimentally shown for the first time in this thesis.
Smith, Mark John. "Low temperature phonon-drag thermoelectric power calculations in GaAs/GaAlAs heterojunctions and Si MOSFETs". Thesis, University of Warwick, 1989. http://wrap.warwick.ac.uk/4163/.
Texto completoSadler, Zachary James. "Design and Analysis of Compressed Air Power Harvesting Systems". BYU ScholarsArchive, 2017. https://scholarsarchive.byu.edu/etd/7052.
Texto completoChen, Jie. "Design and analysis of a thermoelectric energy harvesting system for powering sensing nodes in nuclear power plant". Thesis, Virginia Tech, 2016. http://hdl.handle.net/10919/64792.
Texto completoMaster of Science
Jahanbakhsh, David. "Implementation of DC-DC converter with maximum power point tracking control for thermoelectric generator applications". Thesis, KTH, Elektrisk energiomvandling, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-109705.
Texto completoEdvinsson, Nils. "Energy harvesting power supply for wireless sensor networks : Investigation of piezo- and thermoelectric micro generators". Thesis, Uppsala universitet, Institutionen för teknikvetenskaper, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-210429.
Texto completoOda, Yutaka. "Characteristics of thermoelectric power generation with rectangular-fin elements and its applicability in micro systems". 京都大学 (Kyoto University), 2005. http://hdl.handle.net/2433/144913.
Texto completoThiagarajan, Suraj Joottu. "Thermoelectric properties of rare-earth lead selenide alloys and lead chalcogenide nanocomposites". The Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc_num=osu1196263620.
Texto completoLangham, Ryan C. "Feasibility study and system architecture of radioisotope thermoelectric generation power systems for usmc forward operating bases". Monterey California. Naval Postgraduate School, 2013. http://hdl.handle.net/10945/34695.
Texto completoThis study sought to identify the feasibility of utilizing a radioisotope thermal (thermoelectric/stirling) generator to provide power to a deployed USMC Expeditionary Force. The conceptual system architecture was constructed through use of the systems engineering process, identifying necessary subsystems and integration boundaries. Radioisotope comparison was then performed, utilizing weighted design factors. It was determined that Sr-90, Cs-137, and Cm-244 would be the most effective fuel sources for this mission area. By analyzing current thermoelectric technology, it was determined that maximum system efficiency is limited to 1015 percent when utilizing available lead telluride thermoelectrics. Barriers to development of identified physical subsystem components were then identified, including health and environmental hazards of potential isotopes, as well as shielding criteria. The system development was found to be feasible and additional design work and development work is proposed.