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Increasing Efficiency of a Finned Heat Sink Using Orthogonal Analysis

Author

Listed:
  • Bin Li

    (Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China)

  • Zheng Cui

    (Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China
    Shandong Institute of Advanced Technology, Jinan 250100, China)

  • Qun Cao

    (Shandong Institute of Advanced Technology, Jinan 250100, China)

  • Wei Shao

    (Institute of Thermal Science and Technology, Shandong University, Jinan 250061, China)

Abstract

As the heat flux of electronic components is increasing rapidly, the traditional air-cooling technique is gradually not meeting the requirements of thermal management. The immersion liquid-cooling technique shows great potential, and has attracted increasing attention due to its excellent performance in recent years. The finned heat sink is common and essential for cooling electric components. To analyze the influences of its structural parameters on heat dissipation and improve its efficiency while using a dielectric coolant, this study used the orthogonal analysis method to obtain the optimal structure via the numerical simulation method. The maximum temperature of the heat sink was selected as the evaluation criteria. The results showed that the parameters that affect the maximum temperature, in order of importance, are fin thickness, the number of fins, the height of the fins, and substrate thickness. Finally, taking the maximum temperature and mass as indexes obtained the optimal structure of the heat sink. The mass was reduced by 19%, while the temperature only increased by 4.5% when considering the mass index.

Suggested Citation

  • Bin Li & Zheng Cui & Qun Cao & Wei Shao, 2021. "Increasing Efficiency of a Finned Heat Sink Using Orthogonal Analysis," Energies, MDPI, vol. 14(3), pages 1-15, February.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:3:p:782-:d:491717
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    References listed on IDEAS

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    Cited by:

    1. Xiang Wang & Dong Xiang, 2022. "Energy Flow Modelling Method of Energy Efficiency Improvement for Power-Using Electromechanical Products," Energies, MDPI, vol. 15(14), pages 1-25, July.

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