In order to provide a calculation computing means of the throughflow considering viscous influence for the qausi-three-dimensional design method of the turbomachinery,we put forward the averaged N-S and the zero equat...In order to provide a calculation computing means of the throughflow considering viscous influence for the qausi-three-dimensional design method of the turbomachinery,we put forward the averaged N-S and the zero equations or two-equation models of the turbulent flow to model the viscous flow of the throughflow in the stage and multistage of the turbomachinery.The application of the zero-equation model of the turbulent flow is described.An effective method to handle the end wall conditions is presented;and then the results of the throughflow calculation in the stages of a tranaonic or subsonic axial compressor are given.The comparison of the computing results with the experimental data shows that the model and method provided are feasible and effective.展开更多
文摘In order to provide a calculation computing means of the throughflow considering viscous influence for the qausi-three-dimensional design method of the turbomachinery,we put forward the averaged N-S and the zero equations or two-equation models of the turbulent flow to model the viscous flow of the throughflow in the stage and multistage of the turbomachinery.The application of the zero-equation model of the turbulent flow is described.An effective method to handle the end wall conditions is presented;and then the results of the throughflow calculation in the stages of a tranaonic or subsonic axial compressor are given.The comparison of the computing results with the experimental data shows that the model and method provided are feasible and effective.