圧力補正法を用いた圧縮性流れの数値解析

概要

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A new pressure-correction method is developed in order to calculate the flow field involving both subsonic and supersonic flows. The method is applied to the turbulent flow computation code, in which governing equations including the standard k-εturbulence model are solved in the physical component tensor form with a boundary-fitted coordinate system. The MUSCL-type TVD scheme is also used not only for the estimation of the convection term of the transport equations but also for the estimation of the mass residual of the pressure correction equation. In order to examine the accuracy of the present pressure-correction method, two-dimensional supersonic flow through convergent-divergent nozzles and two-dimensional transonic flow through a channel with the shock/turbulent boundary-layer interaction are computed. The computed results are compared with the experimental data and good agreement between them is obtained.
一般社団法人日本機械学会の論文
1997-04-25