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NUMERICAL ANALYSIS OF INTERACTION BETWEEN SUPERSONIC JET AND PERPENDICULAR PLATE
Yasunobu T,Matsuoka T,Kashimura H,Setoguchi T Korea Society of Computational Fluids Engineering 2005 한국전산유체공학회지 Vol.10 No.1
The numerical investigation of the interaction between the underexpanded supersonic jet and the perpendicular plate is carried out using the TVD numerical method. The wave structure in the flowfield and the pressure and temperature distributions on the plate surface are obtained by the numerical analysis. Especially, the influence of self-induced flow oscillation caused by the impinging jet and the characteristic of impinging jet are shown. From the result of the numerical analysis, it is concluded that the pressure and the temperature fluctuations on the plate surface strongly depends on the pressure ratio in the flowfield and the position of plate.
NUMERICAL ANALYSIS OF INTERACTION BETWEEN SUPERSONIC JET AND PERPENDICULAR PLATE
T. Yasunobu,T. Matsuoka,H. Kashimura,T. Setoguchi 한국전산유체공학회 2005 한국전산유체공학회지 Vol.10 No.1
The numerical investigation of the interaction between the underexpanded supersonic jet and the perpendicular plate is carried out using the TVD numerical method. The wave structure in the flowfield and the pressure and temperature distributions on the plate surface are obtained by the numerical analysis. Especially, the influence of self-induced flow oscillation caused by the impinging jet and the characteristic of impinging jet are shown. From the result of the numerical analysis, it is concluded that the pressure and the temperature fluctuations on the plate surface strongly depends on the pressure ratio in the flowfield and the position of plate.
PASSIVE SHOCK CONTROL IN TRANSONIC FLOW FIELD
S. Matsuo,M. Tanaka,T. Setoguchi,H. Kashimura,T. Yasunobu,H. D. Kim 한국전산유체공학회 2005 한국전산유체공학회지 Vol.10 No.1
In order to control the transonic flow field with a shock wave, a condensing flow was produced by an expansion of moist air on a circular bump model and shock waves were occurred in the supersonic parts of the fields. Furthermore, the additional passive technique of shock-boundary layer interaction using the porous wall with a cavity underneath was adopted in this flow field. The effects of these methods on the shock wave characteristics were investigated numerically. The result showed that the flow fields might be effectively controlled by the suitable combination between non-equilibrium condensation and the position of porous wall.
PASSlVE SHOCK CONTROL IN TRANSONIC FLOW FIELD
Matsuo S,Tanaka M,Setoguchi T,Kashimura H,Yasunobu T,Kim H.D Korea Society of Computational Fluids Engineering 2005 한국전산유체공학회지 Vol.10 No.1
In order to control the transonic flow field with a shock wave, a condensing flow was produced by an expansion of moist air on a circular bump model and shock waves were occurred in the supersonic parts of the fields. Furthermore, the additional passive technique of shock-boundary layer interaction using the porous wall with a cavity underneath was adopted in this flow field. The effects of these methods on the shock wave characteristics were investigated numerically. The result showed that the flow fields might be effectively controlled by the suitable combination between non-equilibrium condensation and the position of porous wall.