This paper firstly sets up mathematical model of gas flow in the gas film,under a series of hypothesis,calculation control equation -simplified Navier-Stokes equation and obtains boundary conditions.

• 首先建立了气膜流场中气体流动的数学模型,在提出了一系列假设条件的前提下,得到了气膜间隙中气体流动的控制方程即简化的纳维尔-斯托克斯方程及边界条件;