’Non-free’ interaction of plane shock waves and the boundary layer in the neighborhood of the leading edge of a plate with slipстатья
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Дата последнего поиска статьи во внешних источниках: 28 мая 2015 г.
Аннотация:The interaction between a normally impinging shock wave and the boundary layer on a plate with slip is studied in the neighborhood of the leading edge using various experimental methods, including special laser technology, to visualize the supersonic conical gas flows. It is found that in the ’non-free’ interaction, when the leading edge impedes the propagation of the boundary layer separation line upstream, the structure of the disturbed flow is largely identical to that in the developed ’free’ interaction, but with higher parameter values and gradients in the leading part of the separation zone. The fundamental property of developed separation flows, namely, coincidence of the values of the pressure ’plateau’ in the separation zone and the pressure behind the oblique shock above the separation zone of the turbulent boundary layer, is conserved.