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A weakly nonlinear theory for wave-vortex interactions in curved channel flowA weakly nonlinear theory is developed to study the interaction of Tollmien-Schlichting (TS) waves and Dean vortices in curved channel flow. The predictions obtained from the theory agree well with results obtained from direct numerical simulations of curved channel flow, especially for low amplitude disturbances. Some discrepancies in the results of a previous theory with direct numerical simulations are resolved.
Document ID
19920009933
Acquisition Source
Legacy CDMS
Document Type
Technical Publication (TP)
Authors
Singer, Bart A. (High Technology Corp. Hampton, VA., United States)
Erlebacher, Gordon (Institute for Computer Applications in Science and Engineering Hampton, VA., United States)
Zang, Thomas A. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
March 1, 1992
Subject Category
Aerodynamics
Report/Patent Number
NAS 1.60:3158
NASA-TP-3158
L-16989
Report Number: NAS 1.60:3158
Report Number: NASA-TP-3158
Report Number: L-16989
Accession Number
92N19175
Funding Number(s)
PROJECT: RTOP 505-59-50-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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