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An effective Seebeck coefficient obtained by experimental results of a thermoelectric generator module

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

Abstract

This article proposes a concept of “effective Seebeck coefficient”, which discusses the inconsistency between the theoretical Seebeck coefficient and the measured one. The inconsistency can be explained via contact effect and thermal resistor network. Two different clamping forces are applied to the TEG module to observe the contact effect. Throughout the experiments, the electric resistance seems insensitive to the clamping force; somehow the thermal contact effect dominates the TEG module performance. In addition, a thermal resistor network, which is used to calculate the exact temperature difference traverse the TE ingot, has been constructed. After applying a suitable clamping pressure and modifying the actual ΔT with thermal resistor network, the “effective Seebeck coefficient” has been proposed. Notably, this proposed value is very helpful for better understanding characteristics of the behavior of the TEG module operating in the actual conditions we provided, and it can be used to predict the performance of the TEG module under any other condition.

Suggested Citation

  • Hsu, Cheng-Ting & Huang, Gia-Yeh & Chu, Hsu-Shen & Yu, Ben & Yao, Da-Jeng, 2011. "An effective Seebeck coefficient obtained by experimental results of a thermoelectric generator module," Applied Energy, Elsevier, vol. 88(12), pages 5173-5179.
    • Handle: RePEc:eee:appene:v:88:y:2011:i:12:p:5173-5179
    DOI: 10.1016/j.apenergy.2011.07.033
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    References listed on IDEAS

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    1. Rowe, D.M., 1999. "Thermoelectrics, an environmentally-friendly source of electrical power," Renewable Energy, Elsevier, vol. 16(1), pages 1251-1256.
    2. Hsu, Cheng-Ting & Huang, Gia-Yeh & Chu, Hsu-Shen & Yu, Ben & Yao, Da-Jeng, 2011. "Experiments and simulations on low-temperature waste heat harvesting system by thermoelectric power generators," Applied Energy, Elsevier, vol. 88(4), pages 1291-1297, April.
    3. Hsiao, Y.Y. & Chang, W.C. & Chen, S.L., 2010. "A mathematic model of thermoelectric module with applications on waste heat recovery from automobile engine," Energy, Elsevier, vol. 35(3), pages 1447-1454.
    4. Champier, D. & Bedecarrats, J.P. & Rivaletto, M. & Strub, F., 2010. "Thermoelectric power generation from biomass cook stoves," Energy, Elsevier, vol. 35(2), pages 935-942.
    5. Gou, Xiaolong & Xiao, Heng & Yang, Suwen, 2010. "Modeling, experimental study and optimization on low-temperature waste heat thermoelectric generator system," Applied Energy, Elsevier, vol. 87(10), pages 3131-3136, October.
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