IMECH-IR  > 力学所知识产出(1956-2008)
Starting Nozzle Flow Simulation Using K-G Two-Equation Turbulence Model
Yang GW(杨国伟); Hu ZM(胡宗民); Jiang ZL(姜宗林)
2004-07-11
会议名称24th International Symposium on Shock Waves, JUL 11-16, 2004 Beijing, PEOPLES R CHINA
会议录名称Shock Waves, Vols 1 and 2, Proceedings of the 24th International Symposium on Shock Waves, 2004, Pages: 1175-1180 Published: 2005
摘要The starting process of two-dimensional nozzle flows has been simulated with Euler, laminar and k - g two-equation turbulence Navier-Stokes equations. The flow solver is based on a combination of LUSGS subiteration implicit method and five spatial discretized schemes, which are Roe, HLLE, MHLLE upwind schemes and AUSM+, AUSMPW schemes. In the paper, special attention is for the flow differences of the nozzle starting process obtained from different governing equations and different schemes. Two nozzle flows, previously investigated experimentally and numerically by other researchers, are chosen as our examples. The calculated results indicate the carbuncle phenomenon and unphysical oscillations appear more or less near a wall or behind strong shock wave except using HLLE scheme, and these unphysical phenomena become more seriously with the increase of Mach number. Comparing the turbulence calculation, inviscid solution cannot simulate the wall flow separation and the laminar solution shows some different flow characteristics in the regions of flow separation and near wall.
收录类别CPCI-S
语种英语
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文献类型会议论文
条目标识符http://dspace.imech.ac.cn/handle/311007/13741
专题力学所知识产出(1956-2008)
通讯作者Jiang ZL(姜宗林)
推荐引用方式
GB/T 7714
Yang GW,Hu ZM,Jiang ZL. Starting Nozzle Flow Simulation Using K-G Two-Equation Turbulence Model[C],2004.
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