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首页> 外文期刊>Journal of Heat Transfer >Experimental Investigation of Oscillating Heat Pipe With Hybrid Fluids of Liquid Metal and Water
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Experimental Investigation of Oscillating Heat Pipe With Hybrid Fluids of Liquid Metal and Water

机译：液态金属杂交液振荡热管的实验研究

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摘要

A new oscillating heat pipe (OHP) charged with hybrid fluids can improve thermal performance. The key difference in this OHP is that it uses room temperature liquid metal (Galinstan consisting of gallium, indium, and tin) and water as the working fluid. The OHP was fabricated on a copper plate with six turns and a 3 x 3 mm(2) cross section. The OHP with hybrid fluids as the working fluid was investigated through visual observation and thermal measurement. Liquid metal was successfully driven to flow through the OHP by the pressure difference between the evaporator and the condenser without external force. Experimental results show that while added liquid metal can increase the heat transport capability, liquid metal oscillation amplitude decreases as the filling ratio of liquid metal increases. Visualization of experimental results show that liquid metal oscillation position and velocity increase as the heat input increases. Oscillating motion of liquid metal in the OHP significantly increases the heat transfer performance at high heat input. The lowest thermal resistance of 0.076 degrees C/W was achieved in the hybrid fluids-filled OHP with a heat input of 420 W. We experimentally demonstrated a 13% higher heat transfer performance using liquid metal as the working fluid compared to an OHP charged with pure water.
机译：用杂交液充电的新的振荡热管（OHP）可以提高热性能。该OHP的关键差异是它使用室温液态金属（Galinstan由镓，铟和锡）和作为工作流体的水。 OHP在铜板上制造，六个匝，3×3mm（2）横截面。通过视觉观察和热测量研究了作为工作流体作为工作流体的HOOP。通过蒸发器和冷凝器之间的压力成功地驱动液态金属以通过蒸发器和冷凝器而没有外力的压力差。实验结果表明，虽然添加的液态金属可以增加热传输能力，但液态金属振荡幅度随着液态金属的填充率而降低。实验结果的可视化表明，随着热输入增加，液体金属振荡位置和速度增加。液体金属在OHP中的振荡运动显着提高了高热量输入的传热性能。在用420W的热量输入的Hybrid流体OHP中实现了0.076℃/ w的最低热阻。我们通过用液体金属作为工作流体进行实验证明了液体金属较高的传热性能较高的13％纯净水。

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  • 来源
    《Journal of Heat Transfer》 |2019年第7期|071802.1-071802.6|共6页
  • 作者

    Hao Tingting; Ma Hongbin; Ma Xuehu;

  • 作者单位

    Univ Missouri Dept Mech & Aerosp Engn Columbia MO 65201 USA|Dalian Univ Technol Inst Chem Engn Liaoning Key Lab Clean Utilizat Chem Resources Dalian 116024 Peoples R China;

    Univ Missouri Dept Mech & Aerosp Engn Columbia MO 65201 USA;

    Dalian Univ Technol Inst Chem Engn Liaoning Key Lab Clean Utilizat Chem Resources Dalian 116024 Peoples R 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

    Oscillating heat pipe (OHP); oscillating motion; liquid metal; thermal performance;

    机译：摆动热管（OHP）;振动运动;液态金属;热性能;

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