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| Design and Initial Performance Experiments of Thermoelectric Generator Based on Exhaust Heat of Car |
| QUAN Rui-a, QUAN Shu-Hai-a, b , HUANG Liang-b, DENG Ya-Dong-a, TANG Xin-Feng-c |
| (a.School of Automobile Engineering; b.School of Automation; c.State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China) |
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Abstract In order to utilize the exhaust heat of car effectively and enhance its fuel economy, a thermoelectric generator was designed to realize power generation, from the initial experiments with different engine speed, the temperature influence factors of exhaust were analyzed, besides, the surface temperature distribution of heat collectors with different flow structure as well as the output performance of thermolelectric modules were tested. The experimental results prove that the shunt device in tail pipeline makes a large thermal resistance during the exhaust heat transmission; prolonging tail’s transmission time and path appropriately can help raise the temperature of heat collector’s surface and enhance the output performance of thermoelectric generator evidently; the temperature distribution of heat collector’s surface with snake flow structure is much more uniform than that with cavity structure. According to the experimental results and analysis above, several improved measures were put forward, which will provide useful guidance to the further research in furture.
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Received: 09 June 2009
Published: 29 June 2011
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