首页> 外文期刊>International Journal of Heat and Mass Transfer >Pool boiling on nano-textured surfaces comprised of electrically-assisted supersonically solution-blown, copper-plated nanofibers: Experiments and theory
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Pool boiling on nano-textured surfaces comprised of electrically-assisted supersonically solution-blown, copper-plated nanofibers: Experiments and theory

机译:电助超音速吹塑镀铜纳米纤维组成的纳米纹理表面上的池沸腾:实验和理论

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摘要

Pool boiling of ethanol, water and their binary mixtures on nano-textured surfaces comprised of copper-plated nanofibers was studied experimentally. The nanofiber-covered surfaces were formed using polymer nanofibers produced by the electrically-assisted supersonic solution blowing process followed by copper-plating. The pool boiling data on the nano-textured surfaces did not follow the standard boiling curve and showed a sharp deviation. In particular, the heat flux and accordingly, the heat transfer coefficient, were found to be significantly higher at low surface superheats. It was also demonstrated that the nano-textured surfaces developed in the present work are robust and do not deteriorate after several cycles of pool boiling experiments. The process features uncovered in the present experiments are attractive for cooling of high-power microelectronics. A novel theoretical approach to pool boiling modeling introduced in this work revealed several detailed morphologies of fluid motion in the pool boiling process observed experimentally.
机译:实验研究了乙醇,水和它们的二元混合物在由镀铜纳米纤维组成的纳米纹理表面上的沸腾沸腾。纳米纤维覆盖的表面是使用聚合物纳米纤维形成的,该聚合物纳米纤维是通过电辅助超音速溶液吹制工艺和随后的镀铜工艺制成的。纳米纹理表面上的池沸腾数据未遵循标准沸腾曲线,并显示出明显的偏差。特别地,发现在低表面过热下的热通量以及因此的传热系数明显更高。还证明了在本工作中开发的纳米纹理表面是坚固的,并且在几次池沸腾实验之后不会变质。在本实验中发现的工艺特征对于冷却高功率微电子学是有吸引力的。在这项工作中引入的一种新颖的理论方法来模拟池沸腾过程,揭示了在池沸腾过程中实验观察到的流体运动的几种详细形态。

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  • 作者单位

    Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 W. Taylor St., Chicago, IL 60607-7022, USA;

    Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 W. Taylor St., Chicago, IL 60607-7022, USA;

    Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 W. Taylor St., Chicago, IL 60607-7022, USA,Corporate Innovation Center, United States Gypsum, Libertyville, IL 60048, USA,Department of Materials Science and Engineering, Indian Institute of Technology, Indore, Madhya Pradesh 452017, India;

    Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, 842 W. Taylor St., Chicago, IL 60607-7022, USA,College of Engineering, Korea University, Seoul 136-713, Republic of Korea;

  • 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

    Pool boiling enhancement; Nano-textured surfaces; Solution-blown; Copper-plated nanofibers;

    机译:泳池沸腾增强;纳米纹理表面;溶液吹塑;镀铜纳米纤维;

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