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首页> 外文期刊>JSME International Journal. Series B >Slip Flow over a Smooth Platinum Surface
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Slip Flow over a Smooth Platinum Surface

机译：滑流在光滑的铂金表面上

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The molecular dynamics method for the interaction of gas molecules with a solid wall together with the Monte-Carlo method for the motion of gas molecules are applied to analyze the behavior of a slightly rarefied gas between two walls. The walls consist of platinum molecules, and the gas is taken to be xenon or argon. The Couette flow and the thermal problem for which two walls have different temperatures are considered. The slip and jump coefficients, tangential momentum and energy accommodation coefficients are obtained at the wall whose temperature is 300 K. The tangential momentum accommodation coefficient of argon is as low as 0.19. The distribution functions of the reflected molecules are also obtained, and it is found that the Maxwell-type boundary condition describes well the distribution function of the reflected molecules.
机译：气体动力学与固体壁相互作用的分子动力学方法与气体分子运动的蒙特卡罗方法一起被用于分析两壁之间略稀的气体的行为。壁由铂分子组成，气体被视为氙气或氩气。考虑了Couette流动和两个壁具有不同温度的热问题。在温度为300 K的壁上获得了滑移和跳跃系数，切向动量和能量容纳系数。氩气的切向动量容纳系数低至0.19。还获得了反射分子的分布函数，发现麦克斯韦型边界条件很好地描述了反射分子的分布函数。

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