過冷却水の伝熱面における不均質核生成 Heterogeneous Nucleation of Supercooled Water on Heat Transfer Surface

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This paper investigates a heterogeneous nucleation of supercooled water on a heat transfer surface. The ultra pure water in an acrylic tank is cooled by the upper side heat transfer disk and freezing temperatures are measured where the cooling rate and a material and a surface roughness of heat transfer surface are varied. The property of the heat transfer surface is known to be explained by a surface parameter. We assume that the supercooled water will freeze when the number of nuclei in the supercooled water reaches 1. Freezing temperatures are calculated using the surface parameters and the experimental results are compared with the calculated results. Freezing temperatures are dependent on the material and the surface roughness of the heat transfer surface, while the dependence of the cooling rate of the surface is very little. We will be able to predict the freezing temperature of the supercooled water by measuring the surface parameter of the heat transfer surface experimentally.

収録刊行物

  • 日本冷凍協会論文集  

    日本冷凍協会論文集 12(1), 115-122, 1995-03-31 

    Japan Society of Refrigerating and Air Conditioning Engineers

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各種コード

  • NII論文ID(NAID)
    10002713203
  • NII書誌ID(NCID)
    AN10035654
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09100040
  • データ提供元
    CJP書誌  J-STAGE 
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