303 分子気体力学解析と衝撃波管実験によるメタノールと水の気体論境界条件の確立(2)(OS3-1 マイクロ・ナノフルイズ,OS3 マイクロ・ナノフルイズ,オーガナイズドセッション)

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  • 303 Establishment of Kinetic Boundary Conditions of Methanol and Water on the Basis of Molecular Gas Dynamics Analysis and Shock Tube Experiment(2)

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The present paper aims at establishing kinetic boundary conditions of methanol and water through the determination of condensation coefficients based on molecular gas dynamics analysis and shock tube experiment in weak vapor-liquid nonequilibrium states. The results show that, when the ratio of vapor pressure to saturated vapor pressure at the interface is close to unity, values of condensation coefficients of methanol and water equal to evaporation coefficient estimated by the resent molecular dynamics analysis. As the ratio becomes large, the condensation coefficients decrease. The pressure ratio dependency of a condensation coefficient is explained by the molecular gas dynamics analysis.

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