気液界面における蒸発凝縮の分子機構とその周辺 Molecular Mechanism of Evaporation-Condensation on Vapor-Liquid Interface

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抄録

Molecular dynamics computer simulation technique has been applied to investigate fluid phase change mechanisms near vapor-liquid interfaces. The simulation enables us to estimate the most relevant parameter, condensation coefficient α<SUB>c</SUB>, which is the ratio of condensation flux to vapor collision flux. We found: (i) α<SUB>c</SUB> is less than unity even for simple fluids, and α<SUB>c</SUB> of associating fluids is much less than that. (ii) There is a strong temperature dependence of α<SUB>c</SUB>. (iii) Under the nonequilibrium condition, α<SUB>c</SUB> depends also on the density (or pressure) and the temperature of the vapor. A simple evaporation model based on a transition state theory can explain this behavior to some extent. As related topics, molecular dynamics of nucleation processes is also described.

収録刊行物

  • 高圧力の科学と技術 = The Review of high pressure science and technology  

    高圧力の科学と技術 = The Review of high pressure science and technology 6(1), 58-65, 1997-02-20 

    The Japan Society of High Pressure Science and Technology

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各種コード

  • NII論文ID(NAID)
    10002848630
  • NII書誌ID(NCID)
    AN10452913
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    0917639X
  • NDL 記事登録ID
    4150911
  • NDL 雑誌分類
    ZP1(科学技術--化学・化学工業)
  • NDL 請求記号
    Z17-1589
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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