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Pool boiling heat transfer with nano-porous surface

机译:纳米孔表面的池沸腾换热

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摘要

Anodizing technique has been recognized as an efficient way to grow the well-ordered oxide nano-struc-tures on metal substrate. In the present experimental study, the nucleate pool boiling heat transfer coefficient and long-term performance of nano-porous surface fabricated by the cost-effective and simple anodizing technique were investigated with water. The incipient wall superheat of pool boiling in nano-porous surface was lower than that in non-coating surface. The nucleate boiling heat transfer coefficient of nano-porous coating surface appeared higher than that of non-coating surface particularly at the low heat flux condition. The higher coefficient remained throughout 500 h of operation.
机译:阳极氧化技术已被公认为是在金属基材上生长整齐的氧化物纳米结构的有效方法。在本实验研究中,用水研究了通过成本有效且简单的阳极氧化技术制备的纳米孔表面的核池沸腾传热系数和长期性能。纳米孔表面的池沸腾初期壁过热度低于非涂层表面。纳米多孔涂层表面的核沸腾传热系数似乎高于非涂层表面,尤其是在低热通量条件下。在整个操作500小时后,仍保持较高的系数。

著录项

  • 来源
    《International Journal of Heat and Mass Transfer》 |2010年第20期|P.4274-4279|共6页
  • 作者单位

    Low Carbon Green Technology Laboratory, Department of Mechanical Engineering (MS312), University of Nevada, Reno, Reno, NV 89557, USA;

    rnLow Carbon Green Technology Laboratory, Department of Mechanical Engineering (MS312), University of Nevada, Reno, Reno, NV 89557, USA;

    rnLow Carbon Green Technology Laboratory, Department of Mechanical Engineering (MS312), University of Nevada, Reno, Reno, NV 89557, USA;

  • 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; nano-porous surface; anodizing; long-term performance;

    机译:池沸腾;纳米多孔表面阳极氧化长期表现;

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