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Application of flux vector splitting scheme in jet based on finite volume method


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Application of flux vector splitting scheme in jet based on finite volume method
Nie YunMa DaweiLe GuigaoYang Fengbo
School of Mechanical Engineering,NUST,Nanjing 210094,China
underexpanded jet flux vector splitting scheme out flow-field shock waves
The flux vector splitting scheme based on the finite volume method is adopted to simulate numerically the nozzle underexpanded jet outflow-field.The numerical method is used for simulating the different nozzle underexpanded free jet flows.The Euler equations are discretized using the flux vector splitting schem in space,and multi-step Runge-Kutta method in time respectively.The effect of the underexpanded jet outflow-field of different configurations on the flow field are calculated.The results show the complicated flow field structures including shock waves and slipstreams are well captured using the flux vector splitting scheme with no numerical oscillation and artificial viscosity,and the flux vector splitting scheme is suitable for simulating the nozzle underexpanded jet outflow-field.


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Last Update: 2013-10-31