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首页> 外文期刊>Journal of Heat Transfer >Flow Boiling in a Parallel Strip Fin Heat Sink With Nonuniform Heat Flux Conditions
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Flow Boiling in a Parallel Strip Fin Heat Sink With Nonuniform Heat Flux Conditions

机译：在平行带翅片中的流动沸腾，具有非均匀热通量条件

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摘要

This study investigates the thermal performance of a parallel strip fin heat sink (PSFHS) under various heat flux conditions at a flowrate of 100mllmin, including uniform heat flux and nonuniform heat flux. The heat sink consists of 150 fins with a width of 1 mm, a height of 5.5 mm, and a pitch of 1 mm and has a Z-type inlet/outlet arrangement. Nine separate heaters offer thermal load to the heat sink in order to provide a uniform or non-uniform heat flux. The flow boiling process is captured by a high-speed camera. The temperatures of the heaters have been measured under the uniform and nonuniform heat flux conditions. In addition, the pressure drops inside the heat sink are also obtained. A mini-channel heat sink (MCHS) with the same channel dimensions and inlet/outlet configuration is tested too. A comparison between MCHS and PSFHS is discussed in detail, which helps to understand the flow boiling characteristic in PSFHS.
机译：本研究研究了在100mllmin的流量下的各种热通量条件下平行带翅片散热器（PSFHS）的热性能，包括均匀的热通量和不均匀的热通量。散热器由150个翅片组成，宽度为1mm，高度为5.5毫米，俯仰为1mm，具有Z型入口/出口布置。九个单独的加热器为散热器提供热负荷，以提供均匀或非均匀的热通量。流沸腾过程由高速相机捕获。在均匀和不均匀的热通量条件下测量了加热器的温度。另外，还获得了散热器内的压降。还测试了具有相同通道尺寸和入口/出口配置的迷你通道散热器（MCH）。详细讨论了MCH和PSFHS之间的比较，这有助于了解PSFHS中的流动沸腾特性。

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  • 来源
    《Journal of Heat Transfer》 |2020年第12期|121601.1-121601.11|共11页
  • 作者

    Kexian Ren; Ze Miao; Bo Yang; Tongzhi Yang; Weixing Yuan;

  • 作者单位

    School of Energy and Power Engineering Beihang University No. 37 Xueyuan Road Haidian District Beijing 100191 China;

    School of Aeronautics Science and Engineering Beihang University No. 37 Xueyuan Road Haidian District Beijing 100191 China;

    School of Aeronautics Science and Engineering Beihang University No. 37 Xueyuan Road Haidian District Beijing 100191 China;

    School of Aeronautics Science and Engineering Beihang University No. 37 Xueyuan Road Haidian District Beijing 100191 China;

    School of Aeronautics Science and Engineering Beihang University No. 37 Xueyuan Road Haidian District Beijing 100191 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

    strip fin; flow boiling; nonuniform heat flux; pressure drop;

    机译：剥落鳍;流沸腾;不均匀的热通量;压力下降;

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