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Title:
Starting Nozzle Flow Simulation Using K-G Two-Equation Turbulence Model
Author: Yang GW(杨国伟); Hu ZM(胡宗民); Jiang ZL(姜宗林)
Issued Date: 2004-07-11
Conference Name: 24th International Symposium on Shock Waves, JUL 11-16, 2004 Beijing, PEOPLES R CHINA
Abstract: 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.
Indexed Type: CPCI-S
Subject: 力学
Corresponding Author: 姜宗林
Source: Shock Waves, Vols 1 and 2, Proceedings of the 24th International Symposium on Shock Waves, 2004, Pages: 1175-1180 Published: 2005
Language: 英语
WOS ID: WOS:000231243300181
Citation statistics:
Content Type: 会议论文
URI: http://dspace.imech.ac.cn/handle/311007/13741
Appears in Collections:力学所知识产出(1956-2008)_会议论文

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Recommended Citation:
Yang GW,Hu ZM,Jiang ZL. Starting Nozzle Flow Simulation Using K-G Two-Equation Turbulence Model[C]. 见:24th International Symposium on Shock Waves, JUL 11-16, 2004 Beijing, PEOPLES R CHINA
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