A Nonlinear Analysis on the Behavior of a Small Amount of Inert Gas during Evaporation and Condensation of a Vapor between the Parallel Surfaces
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概要
- 論文の詳細を見る
The behavior of an inert gas contained slightly in a vapor is studied analyticallytogether with the behavior of the vapor itself, when the evaporation and condensa-tion process is taking place between the two parallel plane condensed phases. Theanalysis is based on a general asymptotic theory for small Knudsen numbers whichhas been derived systematically from the kinetic equation of B-G-K type under thediffusive boundary condition. The results obtained here are valid for finite values ofthe Reynolds number based on the flow due to evaporation and condensation. The in-ert gas, in this case, does not affect the behavior of the vapor because of its smallnessin its amount, it is greatly affected by the vapor motion and exhibits strong nonline-arity in its pressure and density variations. Nonlinear effects due to the presence of theflow also manifest themselves distinctly on the temperature of tje vapor. The well-known negative temperature gradient and negative mass flow phenomena are also ob-served.
- 社団法人日本物理学会の論文
- 1988-07-15
著者
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Onishi Yoshimoto
Department Of Mechanical Engineering University Of Osaka:department Of Applied Mathematics And Physi
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Onishi Yoshimoto
Department Of Mechanical Engineering College Of Engineering University Of Osaka Prefecture
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