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Optimal pulse current shape for transient supercooling of thermoelectric cooler

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Listed:
  • Lv, Hao
  • Wang, Xiao-Dong
  • Wang, Tian-Hu
  • Meng, Jing-Hui

Abstract

This work developed a three-dimensional, multiphysics, and transient model to investigate transient supercooling of TECs (thermoelectric coolers). The model coupled the heat and electricity conductions and considered all thermoelectric effects. The model was well validated by dynamic test data for a TEC (Thermoelectric cooler) start-up process and was compared with the previous heat conduction model. The comparison confirmed that the multiphysics model has a more superior performance for predicting the key evaluation parameters of the transient supercooling. Then the model was used to investigate various current pulses (t0, t1/2, t1, t2, t3, t4, and t5) to search for the optimal shape. The results showed that the optimal shape is only determined by the time to reach the minimum cold end temperature (tmin) and the pulse width (τ). For the pulses with tmin < τ, a higher power pulse provides a lower cold end temperature, for the pulses with tmin = τ, however, the trend is opposite. The present results reasonably explain the divergence for the optimal pulse shape reported by the previous studies.

Suggested Citation

  • Lv, Hao & Wang, Xiao-Dong & Wang, Tian-Hu & Meng, Jing-Hui, 2015. "Optimal pulse current shape for transient supercooling of thermoelectric cooler," Energy, Elsevier, vol. 83(C), pages 788-796.
    • Handle: RePEc:eee:energy:v:83:y:2015:i:c:p:788-796
    DOI: 10.1016/j.energy.2015.02.092
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    References listed on IDEAS

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    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. Meng, Jing-Hui & Wang, Xiao-Dong & Zhang, Xin-Xin, 2013. "Transient modeling and dynamic characteristics of thermoelectric cooler," Applied Energy, Elsevier, vol. 108(C), pages 340-348.
    3. Wang, Xiao-Dong & Huang, Yu-Xian & Cheng, Chin-Hsiang & Ta-Wei Lin, David & Kang, Chung-Hao, 2012. "A three-dimensional numerical modeling of thermoelectric device with consideration of coupling of temperature field and electric potential field," Energy, Elsevier, vol. 47(1), pages 488-497.
    4. 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.
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    Citations

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    Cited by:

    1. Lin, Shumin & Ma, Ming & Wang, Jun & Yu, Jianlin, 2016. "Experiment investigation of a two-stage thermoelectric cooler under current pulse operation," Applied Energy, Elsevier, vol. 180(C), pages 628-636.
    2. Lv, Hao & Wang, Xiao-Dong & Wang, Tian-Hu & Cheng, Chin-Hsiang, 2016. "Improvement of transient supercooling of thermoelectric coolers through variable semiconductor cross-section," Applied Energy, Elsevier, vol. 164(C), pages 501-508.
    3. Lv, Hao & Wang, Xiao-Dong & Meng, Jing-Hui & Wang, Tian-Hu & Yan, Wei-Mon, 2016. "Enhancement of maximum temperature drop across thermoelectric cooler through two-stage design and transient supercooling effect," Applied Energy, Elsevier, vol. 175(C), pages 285-292.
    4. Meng, Jing-Hui & Wu, Hao-Chi & Gao, De-Yang & Kai, Zhang & Lu, Gui & Yan, Wei-Mon, 2021. "A novel super-cooling enhancement method for a two-stage thermoelectric cooler using integrated triangular-square current pulses," Energy, Elsevier, vol. 217(C).
    5. Jia Yu & Qingshan Zhu & Li Kong & Haoqing Wang & Hongji Zhu, 2020. "Modeling of an Integrated Thermoelectric Generation–Cooling System for Thermoelectric Cooler Waste Heat Recovery," Energies, MDPI, vol. 13(18), pages 1-10, September.

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