Density variations in thermoelectrics

被引:34
作者
Mahan, GD [1 ]
机构
[1] Univ Tennessee, Dept Phys & Astron, Knoxville, TN 37996 USA
[2] Oak Ridge Natl Lab, Div Solid State, Oak Ridge, TN 37831 USA
关键词
D O I
10.1063/1.372988
中图分类号
O59 [应用物理学];
学科分类号
摘要
Equations are solved to give the variations in temperature, density, and potential, when a solid has electrical currents, heat currents, and particle diffusion. Solutions are presented in one dimension for currents down a bar. These solutions are used to calculate the efficiency of a thermoelectric refrigerator, which is optimized to give the coefficient of performance (COP). The COP depends upon the temperature difference Delta T, but does not depend upon the density difference Delta n between the two ends of the bar. (C) 2000 American Institute of Physics. [S0021-8979(00)03510-6].
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页码:7326 / 7332
页数:7
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