Thermodynamic irreversibility and performance characteristics of thermoelectric power generator

被引：38
|
作者：
Sahin, Ahmet Z. [1 ]
Yilbas, Bekir S. [1 ]
机构：
[1] King Fahd Univ Petr & Minerals, Dept Mech Engn, Dhahran 31261, Saudi Arabia
来源：
ENERGY | 2013年 / 55卷
关键词：
Thermoelectric generator; Performance; Entropy generation; WASTE HEAT-RECOVERY; MODEL; EFFICIENCY; DESIGN; ENERGY;
D O I：
10.1016/j.energy.2013.03.064
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Thermodynamic irreversibility and performance characteristics of a thermoelectric power generator are investigated. The influence of the external load parameter, the thermal conductivity ratio, the figure of Merit, and the conductance ratio on the efficiency, the output power, and the entropy generation rate is predicted for various device operating parameters. It is found that the device efficiency increases to reach its maximum at the critical value of the output power and operating the device beyond the critical output power lowers the thermal efficiency and enhances the entropy generation rate significantly in the device. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：899 / 904
页数：6
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