過冷却水の凝固に及ぼす伝熱面性状の定量的評価 Evaluation of Characteristics of Surface which Influence the Initiation of Freezing of Supercooled Water

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著者

    • 大河 誠司 OKAWA Seiji
    • 東京工業大学工学部機械科学科 Department of Mechanical Engineering and Science, Faculty of Engineering, Tokyo Institute of Technology
    • 斎藤 彬夫 SAITO Akio
    • 東京工業大学工学部機械科学科 Department of Mechanical Engineering and Science, Faculty of Engineering, Tokyo Institute of Technology

抄録

It is essential to clarify the supercooling phenomenon, as it is one of the important problem for carrying out the ice storage system, effectively. In this report, the effect of the characteristics of the surface as a heterogeneous nucleation of water was investigated. Experiments on freezing of supercooled water were carried out using various kinds of heat transfer surfaces. The type of the surface used in the experiments were, electrolyticaly polished copper surface, buffed copper surface, gold-plated surface, nickel-plated, porous copper surface, silicone surface, Teflon surface and acrylic surface. The results indicate that the probability of freezing is highly dependent upon the characteristics of the surface. However, by considering the characteristics of the surface as a density of the spots having a high ability of nucleation, it was found that the distribution of the probability of freezing for each surface can be expressed using a parameter τ. A physical meaning of the parameter τ was discussed and suggested as a function of the surface energy and the surface roughness.

収録刊行物

  • 日本冷凍空調学会論文集  

    日本冷凍空調学会論文集 14(3), 293-301, 1997-11-01 

    Japan Society of Refrigerating and Air Conditioning Engineers

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各種コード

  • NII論文ID(NAID)
    10002714220
  • NII書誌ID(NCID)
    AA11125910
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    13444905
  • NDL 記事登録ID
    4353643
  • NDL 雑誌分類
    ZN14(科学技術--機械工学・工業--熱機関)
  • NDL 請求記号
    Z16-1394
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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