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Models of two-stage serial and parallel thermoelectric generators have been established in this paper. Low-temperature thermoelectric material bismuth telluride and medium-temperature skutterudite are employed in the models and the exhaust gas of internal combustion engine is used as heat...
Persistent link: https://www.econbiz.de/10011077679
This article proposes a concept of “effective Seebeck coefficient”, which discusses the inconsistency between the theoretical Seebeck coefficient and the measured one. The inconsistency can be explained via contact effect and thermal resistor network. Two different clamping forces are...
Persistent link: https://www.econbiz.de/10011040549
When a number of TEMs (thermoelectric modules) are connected in a series–parallel matrix and under mismatched temperature gradients, the overall maximum output power of the thermoelectric generator (TEG) may be lowered by certain TEMs with relatively smaller temperature difference. It is...
Persistent link: https://www.econbiz.de/10011117623
The worldwide interest in thermoelectric waste heat recovery is constantly growing, with a wide range of applications ranging from small harvesters integrated into wireless sensor networks all the way to larger harvesters such as the ones that can potentially be integrated into cars. The wide...
Persistent link: https://www.econbiz.de/10011189384
Energy crisis and environment deterioration are two major problems for 21st century. Thermoelectric device is a promising solution for those two problems. This review begins with the basic concepts of the thermoelectric and discusses its recent material researches about the figure of merit. It...
Persistent link: https://www.econbiz.de/10011208405
Purpose of this paper is to compare the performance of an alkali metal thermal electric converter (AMTEC) and thermoelectric generator (TEG) as a subsystem for utilizing rejected heat from the molten carbonate fuel cell (MCFC). AMTEC and TEG have various advantages such as; higher power density,...
Persistent link: https://www.econbiz.de/10012183982
In this study, gas and steam bottoming cycles, driven by the exhaust gas of Gas turbine cycle, are analyzed thermodynamically. The waste heat of the Gas turbine topping cycle (GT) exhaust gas is used partially to heat the air in the air bottoming cycle and partially to generate steam by passing...
Persistent link: https://www.econbiz.de/10012651895
Fluidspeichernde und -durchströmte Apparaturen und Anlagen neigen z. B. bei Einsatz von Wasser zu einer Kalksedimentations- bzw. Foulinganfälligkeit durch Verunreinigungen im Fluid. Dies birgt gravierende Einschränkungen der Funktionalität der Anlagen im Langzeitbetrieb in sich, was sich...
Persistent link: https://www.econbiz.de/10010357541
In this study, gas and steam bottoming cycles, driven by the exhaust gas of Gas turbine cycle, are analyzed thermodynamically. The waste heat of the Gas turbine topping cycle (GT) exhaust gas is used partially to heat the air in the air bottoming cycle and partially to generate steam by passing...
Persistent link: https://www.econbiz.de/10011959205
The heat dissipation systems which have liquids as heat carriers outperform conventional dissipation systems at TEGs (thermoelectric generators). However, new elements need to be introduced such as pumps, secondary heat exchangers and piping.
Persistent link: https://www.econbiz.de/10010931393