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| The Effect of Cooling Structure on the Output Performance of Automobile Exhaust Thermoelectric Generator |
| 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) |
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Abstract To maximize the temperature difference of automobile exhaust thermoelectric generator(AETEG), based on the same hot source and different loads of engine, the open circuit voltage and maximum power of AETEG with unitary, singlecolumn and independent cold source structure were experimented, the effect of those different cold source structures on the output performance of AETEG was compared and analyzed. The results indicate that the output performance can be greatly enhanced with the optimized cold source structure, the effect of independent cold source structure is the most superior, singlecolumn cold source structure takes the second place, while the unitary cold source structure is the worst, the contact between the cold side of single thermoelectric module and its corresponding cold source is tighter, and the temperature difference is much larger when cold source structure is of independent miniaturization.
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Received: 11 June 2012
Published: 28 April 2013
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