D-333 スクラムジェットエンジン分離部における擬似衝撃波の数値シミュレーションと実験

概要

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The present study is to investigate the structure and characteristics of the multiple shock waves and turbulent boundary layer interaction, that is, pseudo-shock wave, in Mach 2 and 4 two-dimensional channels by numerical simulations and experiments. The numerical simulations were carried out with Harten-Yee's second-order accuracy TVD scheme and Baldwin-Lomax's algebraic turbulence model Comparison between the numerical simulations and experimental ones were well consist with each other. Based on these agreements the flow quantities, which are very difficult to obtain experimentally, were analyzed by numerical simulations. Moreover, the effect of Mach number on the pseudo-shock wave was also presented. These analyses are very valuable to understand the detailed structure and characteristics of the pseudo-shock wave.
2003-07-28