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Thermophysics and Aeromechanics

2006 year, number 3

Experimental study of the evolution of periodic controlled disturbances in a hypersonic viscous shock layer on a flat plate

S.G. Mironov and I.S. Tsyryul'nikov
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia
Pages: 327-333


Characteristics of the fields of mean density and density fluctuations measured with introduction of periodic disturbances into a hypersonic viscous boundary layer on a flat plate are presented. The experiments are performed for a flow Mach number M = 21, Reynolds number per meter Re1∞ = 6·105 m-1, and temperature factor of the surface Tw /T0 = 0.26. The disturbances are introduced into the shock layer by an oblique gas-dynamic whistle.