Experiments and simulations on low-temperature waste heat harvesting system by thermoelectric power generators

Cheng-Ting Hsu, Gia-Yeh Huang, Hsu-Shen Chu, Ben Yu and Da-Jeng Yao

Applied Energy, 2011, vol. 88, issue 4, 1297 pages

Abstract: In this case study, a system to recover waste heat comprised 24 thermoelectric generators (TEG) to convert heat from the exhaust pipe of an automobile to electrical energy has been constructed. Simulations and experiments for the thermoelectric module in this system are undertaken to assess the feasibility of these applications. A slopping block is designed on the basis of simulation results to uniform the interior thermal field that improves the performance of TEG modules. Besides simulations, the system is designed and assembled. Measurements followed the connection of the system to the middle of an exhaust pipe. Open circuit voltage and maximum power output of the system are characterized as a function of temperature difference. Through these simulations and experiments, the power generated with a commercial TEG module is presented. Overview this case study and our previous work, the results establish the fundamental development of low-temperature waste heat thermoelectric generator system that enhances the TEG efficiency for vehicles.

Keywords: Waste; heat; Recovery; Thermoelectric; Generator; Exhaust; pipe; Simulation (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (79)

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