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首页> 外文期刊>International Journal of Heat and Mass Transfer >Heat transfer performance of a lubricant-infused thermosyphon at various filling ratios
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Heat transfer performance of a lubricant-infused thermosyphon at various filling ratios

机译：各种填充率下注入润滑剂的热虹吸管的传热性能

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摘要

The effect of the filling ratio (25% ≤ FR ≤ 98%) on the heat transfer performance of a novel two-phase closed thermosyphon (TPCT) combined with a superhydrophilic (SHi) evaporator and slippery lubricant-infused porous surface (SLIPS) condenser (TPCT-SHiSL) is systematically investigated in the present study. On the evaporator side, experimental results show that a different evaporation mechanism takes place dependent on the filling ratio, which has a strong impact on the overall heat transfer performance. Film evaporation plays a dominant role at the filling ratio of 25% and at the filling ratios of 40% and 70% at low heat flux. Nonetheless, film evaporation is gradually reduced and pool boiling becomes important at the filling ratios of 40% and 70% for moderate and high heat fluxes. Finally, pool boiling plays a dominant role for the TPCT-SHiSL at the filling ratio of 98%. In the case of the condenser, the condensation heat transfer of the SLIPS is reduced with increasing filling ratio. Balancing between the thermal resistance and heat transfer capacity, the TPCT-SHiSL at the filling ratio of 40% shows the best heat transfer performance.
机译：填充率（25％≤FR≤98％）对新型两相闭式热虹吸管（TPCT）结合超亲水（SHi）蒸发器和滑润润滑剂多孔表面（SLIPS）冷凝器的传热性能的影响（TPCT-SHiSL）在本研究中进行了系统的研究。在蒸发器方面，实验结果表明，取决于填充率，会发生不同的蒸发机理，这对整体的传热性能有很大影响。在低热通量下，薄膜的蒸发在25％的填充率以及40％和70％的填充率时起主要作用。尽管如此，对于中等和高热通量，在40％和70％的填充率下，薄膜的蒸发逐渐减少，并且池沸腾变得很重要。最后，在98％的填充率下，沸腾沸腾对TPCT-SHiSL起着主导作用。在冷凝器的情况下，SLIPS的冷凝热传递随着填充率的增加而降低。 TPCT-SHiSL在热阻和热传递能力之间达到平衡，填充率为40％时显示出最佳的热传递性能。

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  • 来源
    《International Journal of Heat and Mass Transfer》 |2017年第ptaa期|725-736|共12页
  • 作者

    Lv Fengyong; Zhang Peng; Orejon Daniel; Askounis Alexandros; Shen Biao;

  • 作者单位

    Institute of Refrigeration and Cryogenics, MOE Key Laboratory for Power Machinery and Engineering, Shanghai Jiao Tong University, Shanghai, China;

    Institute of Refrigeration and Cryogenics, MOE Key Laboratory for Power Machinery and Engineering, Shanghai Jiao Tong University, Shanghai, China;

    Department of Mechanical Engineering and International Institute for Carbon-Neutral Energy Research (I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, Japan;

    Department of Mechanical Engineering and International Institute for Carbon-Neutral Energy Research (I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, Japan;

    Department of Mechanical Engineering and International Institute for Carbon-Neutral Energy Research (I2CNER), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka, Japan;

  • 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

    Boiling heat transfer; Dropwise condensation; Film evaporation; SLIPS; Superhydrophilic evaporator;

    机译：沸腾传热;逐滴冷凝;薄膜蒸发;SLIPS;超亲水蒸发器;

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