rarefied gas

基本解释

The rarefied gas flow around two-dimensional rectangular was simulated by Direct Simulation Monte Carlo (DSMC) method, using air as working fluid.
本文采用直接模拟蒙特卡罗方法对稀薄气体二维外部柱体绕流问题进行了数值模拟。
Many properties of rarefied gas can be established by four-moment equation, including macroscopic and microscopic properties, mass and heat transfer equations.
通过四矩法方程得出了稀薄气体的宏观性质和微观性质分布，建立了蒸气传质和传热方程。
According to 1st order slip velocity boundary, Reynolds equation for micro gas journal bearings was given with consideration of effective viscosity under rarefied gas condition.
基于1阶滑移速度边界，考虑到稀薄条件下气体的有效黏度，给出了气体径向微轴承润滑雷诺方程。

稀薄气体
Rarefied gas conduction and microscale radiation are considered as the main heat transfer way.
传热方式主要考虑稀薄气体的导热和反射屏间的微尺度辐射换热。