Dynamics near a liquid surface: Mechanisms of evaporation and condensation

K. Yasuoka, M. Matsumoto, Y. Kataoka

研究成果: Article査読

13 被引用数 (Scopus)

抄録

The rates of evaporation and condensation under the vapor-liquid equilibrium condition are investigated with a molecular dynamics computer simulation for argon at 80 K, methanol at 300 K, and water at 400 K. The molecular reflection at the surface, which is related to the condensation coefficient α, is divided into two parts, self reflection and molecular exchange. There is no significant difference among the three substances concerning the ratio of self reflection to collision. The total ratio of reflection is estimated as α ≅0.8 for argon, 0.2 for methanol, and 0.4 for water. The ratio of molecular exchange is much larger for methanol and water than for argon, which suggests that the conventional assumption of condensation as a unimolecular process fails for associating fluids.

本文言語English
ページ(範囲)329-332
ページ数4
ジャーナルJournal of Molecular Liquids
65-66
C
DOI
出版ステータスPublished - 1995 11月
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 原子分子物理学および光学
  • 凝縮系物理学
  • 分光学
  • 物理化学および理論化学
  • 材料化学

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