REGULAR DISTURBANCES IN THE TURBULENT BOUNDARY LAYER,
BOEING SCIENTIFIC RESEARCH LABS SEATTLE WASH
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A theory for traveling-wave disturbances in the fully turbulent boundary layer is developed on the basis of an analogy with laminar viscous flow. The point of view that the flow perturbations are induced by a prescribed wall disturbance is adopted, but the results are basic to studies of the stability of disturbances in a flexible wall and the adjoining flow. The analogy with the laminar flow, which is constructed by averaging over an ensemble of turbulent flows, is complete for the flow of an incompressible fluid over a wall that has no random component of deformation and holds for the first term of an iterative solution in the more general case.