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A method of determining boundary-layer thickness from schlieren photographs is analytically discussed. Analytical procedures are based on assumptions of perfect fluid, adiabatic wall condition, one-Nt...h power law velocity-profile, and constant static pressure as well as total temperature within the boundary-layer. It is shown that in case of N>2((γ-1)Me2+1) the boundary-layer thickness from schlieren photographs agrees well with Tucker's calculation result, where gamma, Me and N are the specific heat ratio, freestream'Mach number and velocity profile parameter, respectively.続きを見る
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