The influence of Thomson effect on the maximum power output and maximum efficiency of a thermoelectric generator

被引：143
|
作者：
Chen, JC [1 ]
Yan, ZJ [1 ]
Wu, LQ [1 ]
机构：
[1] CCAST,WORLD LAB,BEIJING 100080,PEOPLES R CHINA
来源：
JOURNAL OF APPLIED PHYSICS | 1996年 / 79卷 / 11期
关键词：
D O I：
10.1063/1.362507
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Considering a thermoelectric generator as a heat engine cycle, the general differential equations of the temperature field inside thermoelectric elements are established by means of nonequilibrium thermodynamics. These equations are used to study the influence of heat leak, Joule's heat, and Thomson heat on the performance of the thermoelectric generator. New expressions are derived for the power output and the efficiency of the thermoelectric generator. The maximum power output is calculated and the optimal matching condition of load is determined. The maximum efficiency is discussed by a representative numerical example. The aim of this research is to provide some novel conclusions and redress some errors existing in a related investigation. (C) 1996 American Institute of Physics.
引用
收藏
页码：8823 / 8828
页数：6
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