反射衝撃波と境界層の干渉に関する数値解析 (<小特集>衝撃波現象とその工学的応用)

概要

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In this paper, the interaction of the reflected shock wave with the boundary layer in a duct was numerically investigated in order to clarify the mechanism of the production and growth of shock bifurcation during interaction. Computations were carried out by solving the two-dimensional and compressible Navier-Stokes equations by using the total variation diminishing (TVD) scheme. Calculations were performed for three kinds of gases in the cases wherein the strength of the shock waves, the flow Mach number and the temperature of the wall are different based on the assumption that the heat transfer exists only slightly at the wall. the numerical results were numerically visualized by the contour lines of pressure, Mach number, the vorticity, sonic lines, velocity vectors, pressure distributions and wave diagrams, and the effects of preceding parameters on the interaction as well as the relationship between the growth of the shock bifurcation and the development of the separation of the boundary layer were clarified.
社団法人日本機械学会の論文
1994-07-25