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振动Couette流稀薄效应的直接模拟Monte Carlo方法

Rarefaction Effects on Oscillatory Gas Flows with a Direct Simulation Monte Carlo
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摘要 以不稳定直接模拟Monte Carlo方法(DSMC)对以时间周期振动的Couette流作出特征参数方面的研究。计算以Knudsen(Kn)and Stokes(β)数为特征函数。另外,本文以适用于振动Couette流自由分子流动区的线性无碰撞Boltzm ann方程导出解析方法,并且利用它验证了在自由分子流动区的DSMC结果。 A complete mathematical description of oscillatory Couette flows within the framework of kinetictheory is not available in the literature. We present a parametric study of time - periodic oscillatory Couette flows using the unsteady direct simulation Monte Carlo （DSMC） method. Computations are performed as a function of the Knudsen （Kn） and Stokes（β）numbers. In addition,we derived an analytical solution of the linearized collisionless Boltzmann equation for oscillatory Couette flows, and utilized this to validate the DSMC results in the free - molecular flow regime.
作者 谷黎 姜水生
机构地区 南昌大学机电工程学院
出处 《南昌大学学报（理科版）》 CAS 北大核心 2008年第4期353-355,共3页 Journal of Nanchang University(Natural Science)
基金 国家自然科学基金资助项目(50606016)
关键词 振动Couette流 DSMC BOLTZMANN oscillatory, Coucttc flows DSMC Bohzmann
分类号 TB126 [理学—工程力学]
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参考文献8

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共引文献4

南昌大学学报（理科版）
2008年 第4期

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