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Improvement of Constructal Optimization for “Volume-Point” Heat Conduction Based on Uniformity Principle of Temperature Difference Fields

Author

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  • Shuhuan Wei

    (School of Power Engineering, Naval University of Engineering, Wuhan 430033, China)

  • Dini Wang

    (School of Power Engineering, Naval University of Engineering, Wuhan 430033, China)

Abstract

The uniformity principle of temperature difference fields (TDFs) is applied in this study to improve the constructal optimization for “volume-point” heat conduction based on entransy dissipation rate (EDR) minimization without the premise of an optimal last-order construct, and the constructal optimization algorithm based on EDR minimization is simplified in this paper. The results further prove that the uniformity principle of TDF is consistent with entransy theory. The constructal optimization of “volume-point” heat conduction based on EDR minimization is conducted not only to lower the average temperature but also to obtain a more uniform TDF distribution. Through comparing the optimal results based on EDR minimization without the premise of an optimal last-order construct with those based on maximum temperature difference (MTD) minimization, some criteria and formulas for designing conductivity paths based on EDR minimization and MTD minimization are proposed, and the idea and method of improving constructal optimization via the variational principle are proposed.

Suggested Citation

  • Shuhuan Wei & Dini Wang, 2023. "Improvement of Constructal Optimization for “Volume-Point” Heat Conduction Based on Uniformity Principle of Temperature Difference Fields," Mathematics, MDPI, vol. 11(16), pages 1-14, August.
    • Handle: RePEc:gam:jmathe:v:11:y:2023:i:16:p:3466-:d:1214619
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    References listed on IDEAS

    as
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    2. Wu, Zhixiang & Feng, Huijun & Chen, Lingen & Xie, Zhuojun & Cai, Cunguang, 2019. "Pumping power minimization of an evaporator in ocean thermal energy conversion system based on constructal theory," Energy, Elsevier, vol. 181(C), pages 974-984.
    3. He, Ziqiang & Yan, Yunfei & Zhang, Zhien, 2021. "Thermal management and temperature uniformity enhancement of electronic devices by micro heat sinks: A review," Energy, Elsevier, vol. 216(C).
    4. Remco Erp & Reza Soleimanzadeh & Luca Nela & Georgios Kampitsis & Elison Matioli, 2020. "Co-designing electronics with microfluidics for more sustainable cooling," Nature, Nature, vol. 585(7824), pages 211-216, September.
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