Abstract
Experimental data are presented which show the dynamic behavior of the leading-edge vortices on an 80-deg swept delta wing undergoing a wing rock motion. The experiments were conducted in a low-speed wind tunnel, and the model Reynolds number was 315,000, based on the centerline chord. Vortex trajectory data were determined from smoke flow visualization experiments. The photographic data were analyzed to determine vortex position and breakdown information. Significant differences were observed between the static and dynamic vortex core positions and the breakdown locations. The data show the convective lag in the flowfield development on a wing oscillating in roll.
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