Influence of Non-Axisymmetric Terms on Circumferentially Averaged Method in Fan/Compressor  

作　　者：Ke Wan Hailiang Jin Donghai Jin Xingmin Gui 

机构地区：[1]Aeroengine Numerical Simulation Research Center,Beijing University of Aeronautics and Astronautics [2]China Aviation Powerplant Research Institute

出　　处：《Journal of Thermal Science》2013年第1期13-22,共10页热科学学报（英文版）

基　　金：supported by National Natural Science Foundation of China (50736007, 51006005)

摘　　要：The governing equations are derived by circumferentially averaging the three-dimensional （3D） Navier-Stokes equations, which are solved using a time marching finite volume approach. Both Euler throughflow model and Navier-Stokes （N-S） throughflow model are employed to investigate the performance and flow fields of a highly loaded transonic single-stage fan ATS-2 and a four-stage fan. The results are compared with the experimental and three-dimensional computational results. It shows that the throughflow models can provide reasonable perform- ance characteristics and N-S throughflow model gives better predictions in endwall regions. A throughflow com- putation in which all the non-axisymmetric terms are included has been performed at off-design condition and the radial distributions of the flow field can be well described.

关 键 词：throughflow model circumferentiaily averaged non-axisymmetric terms FAN 

分 类 号：TH45[机械工程—机械制造及自动化]