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Influence of geometric parameter on the performance of a new asymmetrical and segmented thermoelectric generator

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  • Karana, Dhruv Raj
  • Sahoo, Rashmi Rekha

Abstract

Traditionally only symmetrical leg configurations were employed to evaluate the performance of the thermoelectric generator. With modern manufacturing technology, the complex shape of a thermoelectric leg can be made cost effectively. The current study proposes a novel design of a thermoelectric generator with asymmetric and segmented leg configurations with materials of modified lead telluride (material-1) and modified bismuth telluride (material-2). The p-type leg of traditional flat plate geometry and n-type leg of exponential variation area with geometric parameter ‘a’ is considered. The effect of efficiency, work output, work ratio and output current on the geometric parameter with temperature ratios and load ratios of the designed thermoelectric generator were investigated.

Suggested Citation

  • Karana, Dhruv Raj & Sahoo, Rashmi Rekha, 2019. "Influence of geometric parameter on the performance of a new asymmetrical and segmented thermoelectric generator," Energy, Elsevier, vol. 179(C), pages 90-99.
    • Handle: RePEc:eee:energy:v:179:y:2019:i:c:p:90-99
    DOI: 10.1016/j.energy.2019.04.199
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    4. Nan, Bohang & Guo, Tao & Deng, Hao & Zhang, Guangbing & Shi, Ran & Xin, Jiakai & Tang, Chen & Xu, Guiying, 2024. "Output performance improvement for thermoelectric transistor with the consideration of the Thomson effect and geometry optimization," Applied Energy, Elsevier, vol. 357(C).
    5. Yang, Wenlong & Zhu, WenChao & Du, Banghua & Wang, Han & Xu, Lamei & Xie, Changjun & Shi, Ying, 2023. "Power generation of annular thermoelectric generator with silicone polymer thermal conductive oil applied in automotive waste heat recovery," Energy, Elsevier, vol. 282(C).
    6. Sahoo, Rashmi Rekha & Karana, Dhruv Raj, 2020. "Effect of design shape factor on exergonic performance of a new modified extended-tapering segmented thermoelectric generator system," Energy, Elsevier, vol. 200(C).
    7. Song Lv & Zuoqin Qian & Dengyun Hu & Xiaoyuan Li & Wei He, 2020. "A Comprehensive Review of Strategies and Approaches for Enhancing the Performance of Thermoelectric Module," Energies, MDPI, vol. 13(12), pages 1-24, June.
    8. Junpeng Liu & Yajing Sun & Gang Chen & Pengcheng Zhai, 2023. "Performance Analysis of Variable Cross-Section TEGs under Constant Heat Flux Conditions," Energies, MDPI, vol. 16(11), pages 1-16, June.
    9. Ye-Qi Zhang & Jiao Sun & Guang-Xu Wang & Tian-Hu Wang, 2022. "Advantage of a Thermoelectric Generator with Hybridization of Segmented Materials and Irregularly Variable Cross-Section Design," Energies, MDPI, vol. 15(8), pages 1-18, April.
    10. Shittu, Samson & Li, Guiqiang & Xuan, Qindong & Zhao, Xudong & Ma, Xiaoli & Cui, Yu, 2020. "Electrical and mechanical analysis of a segmented solar thermoelectric generator under non-uniform heat flux," Energy, Elsevier, vol. 199(C).
    11. Weng, Zebin & Liu, Furong & Zhu, Wenchao & Li, Yang & Xie, Changjun & Deng, Jian & Huang, Liang, 2022. "Performance improvement of variable-angle annular thermoelectric generators considering different boundary conditions," Applied Energy, Elsevier, vol. 306(PA).
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    13. Yin, Tao & Li, Zhen-Ming & Peng, Peng & Liu, Wei & Shao, Yu-Ying & He, Zhi-Zhu, 2021. "Performance analysis and design optimization of a compact thermoelectric generator with T-Shaped configuration," Energy, Elsevier, vol. 229(C).

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