Abstract
An experimental research program establishing a database of the surface pressure in swept shock wave/boundary-layer interactions is described. An equilibrium turbulent boundary-layer on a flat plate is subjected to impingement by swept planar shock waves genterated by a sharp fin. Various fin angles at 4 different freestream Mach numbers produce a variety of interaction strengths from weak to very strong. For each of different interaction cases, the surface flow patterns are obtained by a kerosene-lampblack-adhesive transparent tape technique. Surface pressures within the interactions are also measured from several streamwise row of taps connected to a computer-controlled Scanivalve system. An extensive error analysis is carried out for the experiments yielding an uncertainty of about ±3%. From these measurements, high spatial resolution surface pressure distributions for different interaction cases are obtained.
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