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首页> 外文期刊>International Journal of Heat and Mass Transfer >Thermal performance of double serpentine minichannel heat sinks: Effects of inlet-outlet arrangements and through-holes
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Thermal performance of double serpentine minichannel heat sinks: Effects of inlet-outlet arrangements and through-holes

机译：双蛇形迷你槽散热器的热性能：入口 - 出口装置和通孔的影响

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摘要

To decrease the substrate temperature gradient of a traditional single serpentine mini-channel heat sink, we present a novel double serpentine heat sink and perform experimental and numerical tests by employee ANSYS FLUENT (version 15) code to trade off the flow and thermal performance of the heat sink. The effects of three inlet-outlet arrangements, the through-hole numbers and the diameter of through-hole on the cooling capacity are compared and analyzed. It can be found that the introduction of interleaved inlet-outlet outperform provides much better uniform substrate temperature, meanwhile, the pressure drop can be reduced by up to 43%, and the average Nusselt number can be raised by up to 26% through punching holes on the channel wall at Q_v = 0.159 L/min. It is also suggested that the double serpentine heat sink using more holes exhibits much better thermal performance attributed to the distinct alleviation of the maximum substrate temperature.
机译：为了减少传统单蛇纹石迷你通道散热器的衬底温度梯度，我们提出了一种新型双蛇纹石散热器，并通过员工ANSYS流畅（版本15）代码进行实验和数值测试，以折交流量和热性能散热器。比较和分析了三个入口排列，通孔数和通孔直径的效果。可以发现，交错的入口出口优先率的引入提供了更好的均匀衬底温度，同时可以降低高达43％，并且平均冲击数可以通过冲压孔升高至多26％在Q_V = 0.159 L / min的沟道壁上。还建议使用更多孔的双蛇形散热器表现出更好的热性能，归因于最大衬底温度的明显减轻。

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  • 来源
    《International Journal of Heat and Mass Transfer》 |2020年第6期|119575.1-119575.16|共16页
  • 作者

    Xin Cao; Huan-ling Liu; Xiao-dong Shao; Han Shen; Gongnan Xie;

  • 作者单位

    Shaanxi Key Laboratory of Space Solar Power Station System School of Electromechanical Engineering Xidian University Xi'an 710071 China Key Laboratory of Electronic Equipment Structure Design Ministry of Education School of Electromechanical Engineering Xidian University Xi'an 710071 China;

    Shaanxi Key Laboratory of Space Solar Power Station System School of Electromechanical Engineering Xidian University Xi'an 710071 China Key Laboratory of Electronic Equipment Structure Design Ministry of Education School of Electromechanical Engineering Xidian University Xi'an 710071 China;

    Shaanxi Key Laboratory of Space Solar Power Station System School of Electromechanical Engineering Xidian University Xi'an 710071 China Key Laboratory of Electronic Equipment Structure Design Ministry of Education School of Electromechanical Engineering Xidian University Xi'an 710071 China;

    School of Marine Science and Technology Northwestern Polytechnical University Xi'an 710072 China;

    School of Marine Science and Technology Northwestern Polytechnical University Xi'an 710072 China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Double minichannel heat sink; Inlet-outlet arrangement; Through-hole; Nusselt number; Thermal resistance; Pressure drop;

    机译：双重迷你散热器;入口排列;通孔;露房;热阻;压力下降;

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