The tangential gas injection as the means of heat protection of a blunt body streamlined by dusted gas
Journal: Progress in Flight Physics
Year: 2012

The experimental study of a tangential gas injection influence on the heat flux was carried out. Experiments were conducted in TsAGI wind tunnel at free-stream Mach number M∞ = 6, Reynolds number Re∞,Rw = 0.66 · 106 (calculated on the free-stream flow parameters and bluntness radius of sphere Rw = 37.5 mm), flow stagnation temperature T0 = 573 K, and pressure behind the normal shock ps = 0.5 bar. The mass concentration of solid particles in the flow did not exceed 3%. The cooling gas was injecte