串联式汽车尾气热电发电系统台架试验

上海交通大学学报（自然版） ›› 2012, Vol. 46 ›› Issue (05): 677-682.

串联式汽车尾气热电发电系统台架试验

全睿a，唐新峰a，全书海b,c，黄亮b

(武汉理工大学a. 材料复合新技术国家重点实验室；b. 自动化学院； c. 汽车工程学院，武汉 430070)

收稿日期:2011-11-07 出版日期:2012-05-28 发布日期:2012-05-28
基金资助:
国家重点基础研究发展规划(973)项目(2007CB607500)，国家国际科技合作计划项目(2011DFB60150)

Experimental Study on Automobile Exhaust Thermoelectric Generator in Series

QUAN Rui-a, TANG Xin-Feng-a, QUAN Shu-Hai-b, c , HUANG Liang-b

(a. State Key Laboratory of Advanced Technology for Material Synthesis and Processing; b. School of Automation; c. School of Automobile Engineering, Wuhan University of Technology, Wuhan 430070, China)

Received:2011-11-07 Online:2012-05-28 Published:2012-05-28

摘要/Abstract

摘要： 利用低温型Bi2Te3基热电器件构建一种4层串联结构的汽车尾气热电发电系统，通过台架试验测试了系统的输出性能并分析其影响因素.结果表明：当热电器件的最高热端温度达到其最大耐热温度时，系统的可回收最大功率约为60 W；采用一体化间接冷却方式难以降低系统的冷端温度，从而导致温差不明显；在相同条件下，中间2层串联热电器件的总体输出性能较好，适当减小集热器的尺寸，可以提高其热容量和表面温度，从而提高系统的输出性能.

关键词: 输出性能, , 热电器件, 汽车尾气热电发电系统, 台架试验

Abstract: To utilize the exhaust heat of automobile engine, a kind of fourlayer automobile exhaust thermoelectric generator (AETEG) in series which is composed of Bi2Te3 based thermoelectric modules of low temperature was designed, its output performance was tested with bench experiments and the influence factors were analyzed. The experimental results validate that its maximum power recovered is almost 60W when the maximum hot side temperature of a certain thermoelectric module approaches its maximum enduring temperature, only with the indirect cooling manner in this system the cold side temperature of AETEG can hardly be cut down evidently so that temperature difference between its hot side and cold side is not evident, the output performance of the intermediate two layers in series is much superior to the ones of the other two layers on the same occasions, the overall output performance of AETEG can be improved for the heat capacity and surface temperature of heat exchanger can be increased evidently when decreasing its dimensions appropriately.

Key words: thermoelectric module, automobile exhaust thermoelectric generator (AETEG), bench experiments, output performance

中图分类号:

TK 39

全睿a, 唐新峰a, 全书海b, c, 黄亮b. 串联式汽车尾气热电发电系统台架试验[J]. 上海交通大学学报（自然版）, 2012, 46(05): 677-682.

QUAN Rui-a, TANG Xin-Feng-a, QUAN Shu-Hai-b, c , HUANG Liang-b. Experimental Study on Automobile Exhaust Thermoelectric Generator in Series[J]. Journal of Shanghai Jiaotong University, 2012, 46(05): 677-682.

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