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Two-phase flow boiling in a microfluidic channel at high mass flux

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摘要

We report the experimental investigations of two-phase flow boiling heat transfer characteristics of a refrigerant in a microfluidic channel at a high mass flux (more than 1000 kg/m~2 s). We investigate the heat transfer coefficients at a heat flux range of 7.63 kW/m~2-49.46 kW/m~2, mass flux range of 600 kg/m~2 s-1400 kg/m~2 s (high mass flux), and saturation temperature range of 23 °C-31 °C. We propose the new twophase flow boiling heat transfer correlation of a refrigerant, which is used as the working fluid for the present experiments, at the microfluidic scale. We experimentally establish the functional relationship of two-phase flow boiling heat transfer correlation of the refrigerant during flow boiling in a rectangular microchannel with the Reynolds number, the boiling number, and the Weber number. We believe that the inferences of this study may provide a design basis for the micro-heat exchanger, typically used for thermal management in electronic devices, micro-electro-mechanical systems, and electric vehicle battery cooling system.

著录项

  • 来源
    《Physics of fluids》 |2020年第1期|093309-1-093309-12|共12页
  • 作者单位

    Fluid Mechanics, Thermal Engineering and Multiphase Flow Research Lab. (FUTURE), Department of Mechanical Engineering, Faculty of Engineering, King Mongkut's University of Technology Thonburi, Bangmod, Bangkok 10140, Thailand;

    Heat and Thermodynamics Division, Department of Mechanical Engineering, Mechanical Engineering Faculty, Yildiz Technical University, Yildiz, Besiktas, Istanbul 34349, Turkey;

    School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an, Shaanxi 710049, ChinaAdvanced Heat Transfer and Nanotechnology Laboratory, Department of Mechanical Engineering, Incheon National University, Incheon 22012, South KoreaCORIA-CNRS (UMR 6614), Normandie University, INSA of Rouen, 76000 Rouen, France;

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  • 原文格式 PDF
  • 正文语种 英语
  • 中图分类 流体力学;
  • 关键词

    Two-phase flow boiling; microfluidic channel; high mass flux;

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