A quasi three dimensional flow Euler model with viscous force terms was constructed for integrated small turbofan engine systems.
建立了一体化弹用小涡扇发动机系统含粘性力项的准三维欧拉流动模型。
2
Following the theory on characteristics of first order quasi-linear partial differential equations, classification of the balance equations for two-phase flow in interior ballistics is discussed.
根据一阶拟线性偏微分方程组的特征理论，讨论内弹道两相流方程组的类型。
3
The ray theory of geometric optics was applied to visually investigate the propagation of quasi stationary waves in time mean basic flow and interpret the zonal nonhomogeneity.