Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 42 for “"Thermoelectric Generators"”.
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Modeling and Applications of Thermoelectric Generators
… model that simulates the performance of thermoelectric generators (TEG). The model is based on the energy and electrical potential field equations. The Seebeck coefficient, thermal conductivity, electrical resistivity and Thomson coefficient of the TEG material are used to predict the …
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Improvements to solar thermoelectric generators through device design
A solar thermoelectric generator (STEG) is a device which converts sunlight into electricity through the thermoelectric effect. A STEG is nominally formed when a thermoelectric generator (TEG), a type of solid state heat engine, is placed between a solar absorber and a heat sink. When the solar …
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Modeling of solar thermal selective surfaces and thermoelectric generators
A thermoelectric generator is a solid-state device that converts a heat flux into electrical power via the Seebeck effect. When a thermoelectric generator is inserted between a solar-absorbing surface and a heat sink, a solar thermoelectric generator is created which converts sunlight into …
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Aerosol-Jet Printed Nanocomposites for Flexible and Stretchable Thermoelectric Generators
… the environment into usable electricity, via thermoelectric generators (TEGs) based on thermoelectric (TE) materials, is predicted to be one of the most promising renewable energy solutions of the future. TE materials produce a current when subjected to a temperature gradient as a result of …
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Optimization of Thermoelectric Generators to Power Monitoring Platforms of SNF Canister Internal Conditions: Numerical Simulations
… data transmission systems will be powered using Thermoelectric Generators(TEGs) that harvest thermal energy from the decay heat of the SNF assemblies and convert it into electric power. The amount of harvested power by the TEGs depends on their dimensions and location. In this work, …
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Modeling and simulation of a segmented thermoelectric generator
Interest in thermoelectric generators for waste heat recovery has flourished in recent years. Typically, the efficiency of thermoelectric generators (TEGs) is quite low. Investigations are conducted in this thesis to get better performance and efficiency. The segmented leg generator is investigated …
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Evaluation of Internal Fin Geometry for Heat Transfer Enhancement in Automobile Exhaust Energy Harvesting Systems
Thermoelectric generators (TEGs) are currently being explored for their potential in harvesting energy from automobile exhaust. TEGs in form of an appropriate TEG- Heat exchanger module can utilize the temperature difference between the hot exhaust gases and the automobile coolant and convert it …
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Thermoelectrics and aerogels for solar energy conversion systems
… of two solar thermal technologies: solar thermoelectric generators and aerogel-based solar thermal receivers. Thermoelectrics are materials which produce a voltage when subjected to a temperature gradient. In a solar thermoelectric generator (STEG), sunlight heats one end of the …
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Thermoelectric properties of carbon nanotube films
Thermoelectric generators are solid state machines used to convert temperature gradients into electrical energy. They are formed by several thermoelectric units connected electrically in series and thermally in parallel. These units are made by creating a junction between a p-type and an n-type …
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Coupling Treatment Technologies with Bioelectrochemical Systems to Optimize Resource Recovery from Wastewater
… osmosis (FO), membrane contactor (MC), and thermoelectric generators (TEGs) have similar issues when comparing the advantages and disadvantages of the recovery system. Coupling BES with other recovery approaches could potentially achieve synergy and optimize resource recovery from …
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Experimental Evaluation of Innovative Thermal Energy Storage Options for a Hypersonic Non-Airbreathing Vehicle's Internal Loads
… To enhance heat sink performance, the use of thermoelectric generators (TEGs) and a local coolant loop are investigated. The advantage of the former is that they transform waste heat into usable electricity, reducing the amount of thermal energy that needs to be stored by the heat sink. The …
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Thermoelectric waste heat recovery in automobile exhaust systems: Topological studies and performance analysis
… to exploit exhaust stream thermal power using thermoelectric generators (TEGs) that operate using the Seebeck effect. Thermoelectric generators have the potential to recover some of this waste energy in the exhaust stream potentially improving fuel economy by as much as 5%. ^ Attempts are made …
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A MEMS thermoelectric generator
… batteries, fuel cells, thermophotovoltaic (TPV) generators and thermoelectric (TE) generators. Fuel cells and generators offer significantly improved performance over batteries, but issues of fuel processing and miniaturization remain. Microfabrication has the potential to address this …
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Numerical Analysis of the Melt Pool Kinetics in Selective Laser Melting Based Additive Manufacturing of M g2Si Thermoelectric Powders
Thermoelectric generators convert heat energy to electricity and can be used for waste heat recovery, enabling sustainable development. Selective Laser Melting (SLM) based additive manufacturing process is a scalable and flexible method that has shown promising results in manufacturing high ZT Bi2T …
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Protest Space: A Study of Technology Choice, Perception of Risk, and Space Exploration
… on nuclear technologies such as radioisotope thermoelectric generators and nuclear reactors.
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Charge and Thermoelectric Transport in Semicrystalline Conjugated Polymers and Single-Walled Carbon Nanotube Networks
… electronics, flexible optoelectronic devices and thermoelectric generators. In the past two decades the development of high-mobility donor-acceptor copolymers outperforming amorphous silicon, employed in commercial display technologies, and the ability to tune the diameter distribution in SWCNT …
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Investigation of thermal management options for robots
… heat pipes, thermal interface materials, thermoelectric generators, phase change materials, thermal insulating materials, etc. Three different thermal insulating materials (namely stone wool, fiberglass, and extruded polyurethane) and an air heating/cooling thermal management system are …
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Exploring the Concept of a Deep Space Solar-Powered Small Spacecraft
… mission. These spacecraft rely on radioisotope thermoelectric generators (RTGs) to provide power, an expensive yet necessary approach to generating sufficient power. With Cubesats graduating to interplanetary capabilities, such as the Mars-bound MarCO spacecraft, matching the modest payload …
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Small-scale thermoelectric generator for off-grid power
… power. It has been shown in the literature that thermoelectric generators (TEG) can utilize a temperature gradient and convert it into electricity. The hypothesis put forth in this research is to use the naturally occurring temperature gradient that exists in the soil and the thermal energy of …
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