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Performance optimization for a two-stage thermoelectric heat-pump with internal and external irreversibilities

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  • Chen, Lingen
  • Li, Jun
  • Sun, Fengrui
  • Wu, Chih

Abstract

A model of the behaviour of a two-stage semiconductor thermoelectric heat-pump with external heat transfer is devised. Performance of the heat-pump, assuming Newton's heat-transfer law, is analyzed using the combination of finite-time thermodynamics and non-equilibrium thermodynamics. The analytical formula describing the heating load versus working electric-current, and the coefficient of performance (COP) versus working electric-current are derived. For the fixed total number of thermoelectric elements, the ratio of number of thermoelectric elements of the top stage to the total number of thermoelectric elements is also optimized for maximizing the heating load and the COP of the thermoelectric heat-pump. The effects of design factors on the performance are analyzed.

Suggested Citation

  • Chen, Lingen & Li, Jun & Sun, Fengrui & Wu, Chih, 2008. "Performance optimization for a two-stage thermoelectric heat-pump with internal and external irreversibilities," Applied Energy, Elsevier, vol. 85(7), pages 641-649, July.
    • Handle: RePEc:eee:appene:v:85:y:2008:i:7:p:641-649
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    Citations

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    Cited by:

    1. Wang, Xiao-Dong & Wang, Qiu-Hong & Xu, Jin-Liang, 2014. "Performance analysis of two-stage TECs (thermoelectric coolers) using a three-dimensional heat-electricity coupled model," Energy, Elsevier, vol. 65(C), pages 419-429.
    2. Lee, HoSung, 2013. "Optimal design of thermoelectric devices with dimensional analysis," Applied Energy, Elsevier, vol. 106(C), pages 79-88.
    3. Lee, Heonjoong & Sharp, Jeff & Stokes, David & Pearson, Matthew & Priya, Shashank, 2018. "Modeling and analysis of the effect of thermal losses on thermoelectric generator performance using effective properties," Applied Energy, Elsevier, vol. 211(C), pages 987-996.
    4. Ge, Ya & He, Kui & Xiao, Liehui & Yuan, Wuzhi & Huang, Si-Min, 2022. "Geometric optimization for the thermoelectric generator with variable cross-section legs by coupling finite element method and optimization algorithm," Renewable Energy, Elsevier, vol. 183(C), pages 294-303.
    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.
    6. Chua, K.J. & Chou, S.K. & Yang, W.M., 2010. "Advances in heat pump systems: A review," Applied Energy, Elsevier, vol. 87(12), pages 3611-3624, December.
    7. Ge, Ya & Xiao, Qiyin & Wang, Wenhao & Lin, Yousheng & Huang, Si-Min, 2022. "Design of high-performance photovoltaic-thermoelectric hybrid systems using multi-objective genetic algorithm," Renewable Energy, Elsevier, vol. 200(C), pages 136-145.
    8. Manikandan, S. & Kaushik, S.C., 2016. "The influence of Thomson effect in the performance optimization of a two stage thermoelectric generator," Energy, Elsevier, vol. 100(C), pages 227-237.
    9. Ju, Chengjian & Dui, Guansuo & Zheng, Helen Hao & Xin, Libiao, 2017. "Revisiting the temperature dependence in material properties and performance of thermoelectric materials," Energy, Elsevier, vol. 124(C), pages 249-257.
    10. Ge, Ya & Liu, Zhichun & Sun, Henan & Liu, Wei, 2018. "Optimal design of a segmented thermoelectric generator based on three-dimensional numerical simulation and multi-objective genetic algorithm," Energy, Elsevier, vol. 147(C), pages 1060-1069.
    11. Wu, Jianghong & Yang, Zhaoguang & Wu, Qinghao & Zhu, Yujuan, 2012. "Transient behavior and dynamic performance of cascade heat pump water heater with thermal storage system," Applied Energy, Elsevier, vol. 91(1), pages 187-196.
    12. Liang, Xingyu & Sun, Xiuxiu & Tian, Hua & Shu, Gequn & Wang, Yuesen & Wang, Xu, 2014. "Comparison and parameter optimization of a two-stage thermoelectric generator using high temperature exhaust of internal combustion engine," Applied Energy, Elsevier, vol. 130(C), pages 190-199.
    13. Wang, Tian-Hu & Wang, Qiu-Hong & Leng, Chuan & Wang, Xiao-Dong, 2015. "Parameter analysis and optimal design for two-stage thermoelectric cooler," Applied Energy, Elsevier, vol. 154(C), pages 1-12.
    14. Nie, Wenjie & Lü, Ke & Chen, Aixi & He, Jizhou & Lan, Yueheng, 2018. "Performance optimization of single and two-stage micro/nano-scaled heat pumps with internal and external irreversibilities," Applied Energy, Elsevier, vol. 232(C), pages 695-703.
    15. Min-Hwi Kim & Joon-Young Park & Jae-Weon Jeong, 2017. "Energy Saving Potential of a Thermoelectric Heat Pump-Assisted Liquid Desiccant System in a Dedicated Outdoor Air System," Energies, MDPI, vol. 10(9), pages 1-19, September.
    16. Soprani, S. & Haertel, J.H.K. & Lazarov, B.S. & Sigmund, O. & Engelbrecht, K., 2016. "A design approach for integrating thermoelectric devices using topology optimization," Applied Energy, Elsevier, vol. 176(C), pages 49-64.
    17. Cheng, Chin-Hsiang & Huang, Shu-Yu, 2012. "Development of a non-uniform-current model for predicting transient thermal behavior of thermoelectric coolers," Applied Energy, Elsevier, vol. 100(C), pages 326-335.
    18. Ge, Ya & Lin, Yousheng & He, Qing & Wang, Wenhao & Chen, Jiechao & Huang, Si-Min, 2021. "Geometric optimization of segmented thermoelectric generators for waste heat recovery systems using genetic algorithm," Energy, Elsevier, vol. 233(C).

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