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首页> 外文期刊>International Journal of Heat and Mass Transfer >Experimental investigation of frost retardation for superhydrophobic surface using a luminance meter
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Experimental investigation of frost retardation for superhydrophobic surface using a luminance meter

机译：亮度计对超疏水表面防冻性能的实验研究

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摘要

We experimentally investigated the phenomena of frost retardation in terms of the heat exchanger fins with various water contact angles under normal air-source heat-pump operating conditions. We first introduced a new experimental method using a luminance meter, which measured the light intensity from the surface, and determined the phase-change time, for quantitatively defining the frost stages. The phenomena of frost retardation was analyzed for 10 samples with different water contact angles (75°-160°) at different refrigerant temperatures. When the refrigerant temperature was -10℃ or -12 °C, the effect of frost retardation increased remarkably with superhydrophobic surfaces. However, when the refrigerant temperature was -8 °C, the effect of superhydrophobicity diminished at water contact angles greater than 150°.
机译：我们通过实验研究了在正常空气源热泵运行条件下，具有不同水接触角的换热器翅片的防冻现象。我们首先介绍了一种使用亮度计的新实验方法，该方法可测量表面的光强度并确定相变时间，以定量定义霜冻阶段。分析了在不同制冷剂温度下具有不同水接触角（75°-160°）的10个样品的防冻现象。当制冷剂温度为-10℃或-12°C时，超疏水表面的防冻效果显着提高。但是，当制冷剂温度为-8°C时，在大于150°的水接触角下，超疏水性的​​作用减弱。

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  • 来源
  • 作者

    Donghee Kim; Hisuk Kim; Sun Woo Kim; Dong Rip Kim; Kwan-Soo Lee;

  • 作者单位

    School of Mechanical Engineering, Hanyang University, Wangsimni-ro 220, Seoul 133-791, South Korea;

    School of Mechanical Engineering, Hanyang University, Wangsimni-ro 220, Seoul 133-791, South Korea;

    School of Mechanical Engineering, Hanyang University, Wangsimni-ro 220, Seoul 133-791, South Korea;

    School of Mechanical Engineering, Hanyang University, Wangsimni-ro 220, Seoul 133-791, South Korea;

    School of Mechanical Engineering, Hanyang University, Wangsimni-ro 220, Seoul 133-791, South 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

    Surface treatment; Superhydrophobic; Frost stage; Contact angle; Frost retardation;

    机译：表面处理;超疏水霜冻阶段;接触角;霜冻阻滞;

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