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Nonlinear breakdowns in boundary layer transitionTheoretical studies of boundary-layer transition are described, based on high Reynolds numbers and with attention drawn to nonlinear interactions, breakdowns and scales. The article notes in particular truly nonlinear theories for which the mean-flow profile is completely altered from its original state. Two- and three-dimensional flow theory and conjectures on turbulent boundary-layer structures are included. Specific recent findings noted, and in qualitative agreement with experiments, are: nonlinear finite-time break-ups in unsteady interactive boundary layers; strong vortex/wave interactions; and prediction of turbulent boundary-layer displacement- and stress sublayer-thicknesses.
Document ID
19910055283
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Smith, Frank T.
(University College London, United Kingdom)
Date Acquired
August 15, 2013
Publication Date
January 1, 1990
Subject Category
Fluid Mechanics And Heat Transfer
Accession Number
91A39906
Distribution Limits
Public
Copyright
Other

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