4021 コンタクトラインの分子動力学計算(キーノート講演,F-3 フォーラム「界面流体力学の新展開」)

概要

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Molecular level understanding of the contact line is important for phase change heat transfer such as evaporation and condensation. We have performed molecular dynamics studies of liquid droplet on the solid surface. In the case of Lennard-Jones droplet, the strength of interaction between solid and liquid directly affect on the contact angle. In the simulation of the water droplet on the platinum surface, a stable droplet structure on a monolayer film was obtained. And the apparent contact angle of the droplet was varied drastically according to the density and the structure of this monolayer. The structure of water droplet on graphite surface resembled that of Lennard-Jones droplet, but layered structure near the solid surface was decreased. The difference between advancing contact angle and receding contact angle was not observed.
一般社団法人日本機械学会の論文
2005-11-17