Optimization of cross flow heat exchangers for thermoelectric waste heat recovery

被引：174
|
作者：
Crane, DT [1 ]
Jackson, GS [1 ]
机构：
[1] Univ Maryland, Dept Mech Engn, College Pk, MD 20742 USA
来源：
ENERGY CONVERSION AND MANAGEMENT | 2004年 / 45卷 / 9-10期
关键词：
thermoelectric; waste heat recovery; power generation; optimization; heat exchanger;
D O I：
10.1016/j.enconman.2003.09.003
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Thermoelectric waste heat recovery is investigated for current thermoelectric materials with advanced heat exchangers. Numerical heat exchanger models integrated with models for Bi2Te3 thermoelectric modules are validated against experimental data from previous cross flow heat exchanger studies as well as experiments using thermoelectrics between counterflow hot water and cooling air flow channels. The models are used in optimization studies of thermoelectric waste heat recovery with air cooling in a cross flow heat exchanger. Power losses from an air fan and a fluid pump result in an optimal configuration at intermediate cooling air and hot fluid flows. Results show that heat exchangers with Bi2Te3 thermoelectrics can achieve net power densities over 40 W/l. (C) 2003 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1565 / 1582
页数：18
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