초음속 충돌 제트 유동에 대한 k-w 난류모델의 적용 Numerical Study on k-ω Turbulence Models for Supersonic Impinging Jet Flow Field

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A numerical study of underexpanded jet and impingement on a wall mounted at various distances from the nozzle exit is presented. The 3-dimensional Navier-Stokes equations and k-ω turbulence equations are solved. The grids are constructed as overlapped grid systems to examine the distance effect. The DADI method is applied to obtain steady-state solutions. To avoid numerical instability such as the carbuncle that sometimes accompany approximate Riemann solver, the HLLE+ scheme is employed for the inviscid flux at the cell interfaces. A goal of this work is to apply a number of two-equation turbulence models based on the ω equation to the impinging jet problem.
Publisher
한국전산유체공학회
Issue Date
2004-03
Language
KOR
Citation

한국전산유체공학회 춘계학술대회, pp.139 - 145

URI
http://hdl.handle.net/10203/151902
Appears in Collection
AE-Conference Papers(학술회의논문)AE-Conference Papers(학술회의논문)
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