STABILITY AND TRANSITION OF THREE-DIMENSIONAL FLOWS.
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abstract
Theoretical and experimental results on the stability of three-dimensional boundary layers are presented. Emphasis is placed on instabilities in swept-wing flows although other types of 3-D flows are reviewed. Secondary instabilities in the form of vortex-vortex wave interactions are shown to dominate the transition process. These secondary instabilities produce unusual experimental observations that can only be explained by the theory.