年次大会
Online ISSN : 2424-2667
ISSN-L : 2424-2667
セッションID: J054033
会議情報
J054033 Enskog方程式を用いた高密度気体のCouette流れに関する数値計算([J05403]マイクロ・ナノスケールの熱流体現象(3))
小林 一道大橋 広太郎稲葉 匡司渡部 正夫藤川 重雄
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抄録
Numerical simulations for Couette flows in a dense gas are conducted based on the Enskog equation. In order to solve the Enskog equation, we use the particle scheme method, which is an extension of the well known DSMC method that is used to solve the Boltzmann equation. The results agree well with the solution of the Boltzmann equation, as the ratio of molecular diameter to the mean free path of the molecules, a/ A, becomes smaller. A thin layer is formed near a solid wall surface as the ratio al A becomes larger. We also find that the slip velocity on the solid surface depends on the ratio al A.
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