An interferometric study of the shock interaction at a compression corner

Results of an interferometric investigation of the shock/boundary layer at a compression corner are presented. The boundary-layer upstream of the corner is a nonequilibrium state disturbed by injection through a porous surface. Similarities to the interaction in an adverse pressure gradient are shown, as well as relevance to the design of transpiration-cooled surfaces. Alterations in the nature of the interaction as the approaching profile is distorted are examined, and it is noted that these results should provide a useful test case for computational fluid mechanics.