Experimental study of the action of weak shock waveson the boundary layer flow on a swept flat plate at the Mach number 2
A.D. Kosinov, N.V. Semionov, A.V. Shmakova, A.A. Yatskikh
Khristianovich Institute of Theoretical and Applied Mechanics SB RAS, Novosibirsk, Russia
Keywords: experiment, supersonic boundary layer, weak shock waves, turbulence, hot-wire anemometer
Abstract
The action of a pair of weak shock waves on a supersonic boundary layer on a swept flat plate with a bluntness radius of the leading edge equal to 2.5 mm at the Mach number 2 is experimentally studied. Transverse hot-wire measurements are performed in the boundary layer with a fixed distance of the probe from the model surface. It is found that a change in the sweep angle of the leading edge from 35 to 45 degrees reduces the intensity of the action of the weak shock waves on the boundary layer flow. As the sweep angle of the leading edge increases to 50º, the weak shock waves no longer affect the flow in the supersonic boundary layer on the swept plate.
|
