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Results of an experimental study of the excitation of high-intensity disturbances by a weak external shock wave in laminar boundary layer on flat-plate models with sharp and blunted leading edges at М = 2.5 are reported. The field of disturbances produced by a 2D sticker in turbulent boundary layer on the wall of wind-tunnel test section in the free stream is shown to have the form of an N-wave. It...
The supersonic perfect-gas flow past a circular cylinder is studied on the basis of a numerical analysis of the time-dependent two-dimensional Reynolds equations using a differential q–ω turbulence model with reference to the experimental conditions. The calculations are carried out at Reynolds and Mach numbers Re=2× 105 and M∞=1.1, 1.3, and 1.7 and the experimental investigations at Re=1.62×105–2×10...
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