Seven profiles of streamwise velocity and velocity fluctuations were measured in the incoming boundary layer and immediately upstream of a 24-degree compression corner in a M∞ = 2.8, ReΘ = 1750 shock-wave/turbulent boundary-layer interaction. The measurements were made with Krypton Tagging Velocimetry (KTV) in 99% N2/1% Kr flow. Globally seeding 1% Kr into the flow (premixed N2/Kr K-bottles from distributor) alters the major non-dimensional transport properties by 0.1-0.3%. The mean-velocity and velocityfluctuation profiles in the incoming supersonic turbulent boundary layer were found to agree with datasets in the literature, thus, the baseline flow was established. The meanvelocity profiles in the region immediately upstream of the 24-degree compression corner were found to agree with Direct Numerical Simulation (DNS) results available in the literature. In addition, the presence of a shear layer was detected, and its location and orientation are compared to that in the literature.
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