根据气体流动方程，通过线性化和拉氏变换，建立各单元的动态数学模型。
Based on the gas flowing equation, each unit dynamic mathematical model was established using linearization and Laplace transform.
以此为基础，构造了求解真实气体流动控制方程的高分辨率TVD数值格式。
And a numerical method with high resolution TVD schemes for solving the governing equations of real gas flows is developed.
提出了一种解气体-颗粒粘性流动方程组的方法。
A method for solving the gas particle viscous flow equations is presented.
通过求解三维层流N-S方程，得到了端面气膜稳态压力场及速度场分布，分析了气体在端面间隙内的流动形式。
The three-dimentional laminar Navier-Stokes equations were solved for getting the gas film pressure and velocity distributions in the steady state, and the flow styles in the clearance were analyzed.
从流体力学的基本方程出发，根据水下排气管口流动状态的观察，推导了柴油机水下排气管口辐射噪声与管口处气体流动参数之间的理论关系。
In the paper, we have done theoretical studies of sound radiated from the submerged exhaust exit when a diesel engine discharges pulsive exhaust gas into water.
本文构造了工业反应炉中气体流动压力的离散化方程，同时证明了方程解的存在性和唯一性。
We construct the discrete nonlinear equations for the pressure of gas flow through packed bed of the industrial furnaces. The existence and uniqueness of the solution of these equations is proved.
本文构造了工业反应炉中气体流动压力的离散化方程，同时证明了方程解的存在性和唯一性。
We construct the discrete nonlinear equations for the pressure of gas flow through packed bed of the industrial furnaces.
首先对真实气体流动的数值模拟方法进行了研究，推导了任意曲线坐标系下真实气体流动控制方程雅克比（Jacobian）系数矩阵的特征向量矩阵和特征值；
Firstly, the eigen vector matrix and eigen value of Jacobian matrix of governing equations for the real gas flows in general curvilinear coordinate system are deduced.
为了了解由阀门注入的快速气体通过管道进入系统时的流动状态，必须求解在固定流量边界条件下的一维非线性扩散方程。
Flowing state of the gas during gas flows into the system was given by means of the calculation. The character of B-A nude gauge in flowing gases and the piezoelectric valve was measured.
此方法是在建立一系列的控制方程的基础上来描述激光腔内的气体流动过程，并通过CFD软件求解控制方程组。
The model which is solved by CFD software uses a set of dynamic differential equations to describe the dynamic process in one discharge tube.
此方法是在建立一系列的控制方程的基础上来描述激光腔内的气体流动过程，并通过CFD软件求解控制方程组。
The model which is solved by CFD software uses a set of dynamic differential equations to describe the dynamic process in one discharge tube.
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