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Guide Vane for Thermal Enhancement of a LED Heat Sink

Author

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  • Sungjoon Byun

    (School of Mechanical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
    These authors contributed equally to this work.)

  • Seounghwan Hyeon

    (School of Mechanical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea
    These authors contributed equally to this work.)

  • Kwan-Soo Lee

    (School of Mechanical Engineering, Hanyang University, 222 Wangsimni-ro, Seongdong-gu, Seoul 04763, Korea)

Abstract

A guide vane was installed on a heat sink to enhance the cooling effect of light-emitting diode (LED) lights. The validity of the numerical analysis was verified against the experimental results and the result of the previous studies. The effect of the guide vane on the heat dissipation performance of the heat sink was identified. The effect of the guide vane on the heat sink was qualitatively studied using the streamline and temperature contour. The cooling effect of the heat sink was enhanced by increased air supplement to the center-bottom part. A parametric study was conducted to determine the thermal resistance according to the guide vane angle, installation height, and vane length. Optimization was performed to minimize the thermal resistance using the Kriging model and micro-genetic algorithm (MGA). The cooling performance of the heat sink was enhanced by a maximum of 17.2% when the guide vane was installed.

Suggested Citation

  • Sungjoon Byun & Seounghwan Hyeon & Kwan-Soo Lee, 2022. "Guide Vane for Thermal Enhancement of a LED Heat Sink," Energies, MDPI, vol. 15(7), pages 1-13, March.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:7:p:2488-:d:781537
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    References listed on IDEAS

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    Cited by:

    1. Krzysztof Górecki & Krzysztof Posobkiewicz, 2022. "Cooling Systems of Power Semiconductor Devices—A Review," Energies, MDPI, vol. 15(13), pages 1-29, June.

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