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Numerical investigation on the dynamic response characteristics of a thermoelectric generator module under transient temperature excitations

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  • Luo, Ding
  • Yan, Yuying
  • Wang, Ruochen
  • Zhou, Weiqi

Abstract

In this work, a three-dimensional transient numerical model of a thermoelectric generator module considering the temperature-dependent properties and the topological connection of load resistance is proposed to study its dynamic response characteristics. The dynamic output power and conversion efficiency of the thermoelectric generator module under steady and different transient temperature excitations are compared and studied. A time delay exists in the output response of the thermoelectric generator module, and the time delay increases when the temperature rate increases. When the heat source temperature changes rapidly, the corresponding output power, conversion efficiency, and other thermal responses will show a more stable change trend. Moreover, the dynamic response characteristic of the output power is synchronous with that of the conversion efficiency. The periodic temperature excitation may amplify the output power, where the average output power of the sine and triangle waves are 4.93% and 2.82% respectively higher than the steady-state output power. However, the average conversion efficiency of both is almost identical to the steady-state conversion efficiency. The proposed model contributes to predicting the dynamic performance of thermoelectric generators, and can be further extended to the whole thermoelectric generator system.

Suggested Citation

  • Luo, Ding & Yan, Yuying & Wang, Ruochen & Zhou, Weiqi, 2021. "Numerical investigation on the dynamic response characteristics of a thermoelectric generator module under transient temperature excitations," Renewable Energy, Elsevier, vol. 170(C), pages 811-823.
    • Handle: RePEc:eee:renene:v:170:y:2021:i:c:p:811-823
    DOI: 10.1016/j.renene.2021.02.026
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    Citations

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    Cited by:

    1. Sun, Zeyu & Luo, Ding & Wang, Ruochen & Li, Ying & Yan, Yuying & Cheng, Ziming & Chen, Jie, 2022. "Evaluation of energy recovery potential of solar thermoelectric generators using a three-dimensional transient numerical model," Energy, Elsevier, vol. 256(C).
    2. Wen, Xin & Ji, Jie & Li, Zhaomeng & Song, Zhiying, 2022. "Performance analysis of a concentrated system with series photovoltaic/thermal module and solar thermal collector integrated with PCM and TEG," Energy, Elsevier, vol. 249(C).
    3. Luo, Ding & Wang, Ruochen & Yan, Yuying & Sun, Zeyu & Zhou, Weiqi & Ding, Renkai, 2021. "Comparison of different fluid-thermal-electric multiphysics modeling approaches for thermoelectric generator systems," Renewable Energy, Elsevier, vol. 180(C), pages 1266-1277.
    4. Zhaochun Shi & Guohua Wang & Chunli Liu & Qiang Lv & Baoli Gong & Yingchao Zhang & Yuying Yan, 2023. "Optimizing the Transient Performance of Thermoelectric Generator with PCM by Taguchi Method," Energies, MDPI, vol. 16(2), pages 1-16, January.
    5. Wang, Z.H. & Ma, Y.J. & Tang, G.H. & Zhang, Hu & Ji, F. & Sheng, Q., 2023. "Integration of thermal insulation and thermoelectric conversion embedded with phase change materials," Energy, Elsevier, vol. 278(C).
    6. Zhu, Xingzhuang & Zuo, Zhengxing & Wang, Wei & Jia, Boru & Zhan, Tianzhuo, 2023. "Experimental research and optimization of a thermoelectric generator excited by pulsed combustion mode under limited heat dissipation for combined heat and power supply," Applied Energy, Elsevier, vol. 349(C).
    7. Luo, Ding & Sun, Zeyu & Wang, Ruochen, 2022. "Performance investigation of a thermoelectric generator system applied in automobile exhaust waste heat recovery," Energy, Elsevier, vol. 238(PB).
    8. Luo, Ding & Yan, Yuying & Li, Ying & Wang, Ruochen & Cheng, Shan & Yang, Xuelin & Ji, Dongxu, 2023. "A hybrid transient CFD-thermoelectric numerical model for automobile thermoelectric generator systems," Applied Energy, Elsevier, vol. 332(C).
    9. Meng, Jing-Hui & Gao, De-Yang & Liu, Yan & Zhang, Kai & Lu, Gui, 2022. "Heat transfer mechanism and structure design of phase change materials to improve thermoelectric device performance," Energy, Elsevier, vol. 245(C).
    10. Zhu, WenChao & Yang, Wenlong & Yang, Yang & Li, Yang & Li, Hao & Shi, Ying & Yan, Yonggao & Xie, Changjun, 2022. "Economic configuration optimization of onboard annual thermoelectric generators under multiple operating conditions," Renewable Energy, Elsevier, vol. 197(C), pages 486-499.
    11. Zhang, Aibing & Pang, Dandan & Wang, Baolin & Wang, Ji, 2023. "Dynamic responses of wearable thermoelectric generators used for skin waste heat harvesting," Energy, Elsevier, vol. 262(PB).
    12. Luo, Ding & Wang, Ruochen & Yan, Yuying & Yu, Wei & Zhou, Weiqi, 2021. "Transient numerical modelling of a thermoelectric generator system used for automotive exhaust waste heat recovery," Applied Energy, Elsevier, vol. 297(C).

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