Abstract
The results of an experimental study of the time-variant aerodynamics associated with harmonically oscillating single airfoil surfaces in a supersonic flowfield are presented. Six single airfoil configurations were investigated: a flat plate, wedge, flat plate-convex corner, wedge-convex corner, MCA suction surface, and MCA pressure surface. The basic time-variant aerodynamic data obtained for each of these configurations included the chordwise distribution of the unsteady pressure magnitude (expressed as an unsteady pressure coefficient) and its phase lag as referenced to the airfoil motion, with Mach number as parameter. All of the data obtained are correlated with a low reduced frequency prediction which includes the effects of airfoil camber and thickness distribution.
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