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Improved Nonequilibrium Algebraic Model Of TurbulenceBlend of previous models predicts pressure distributions more accurately. Improved algebraic model represents some of time-averaged effects of turbulence in transonic flow of air over airfoil. Based partly on comparisons among various eddy-viscosity formulations for turbulence and partly on premise that law of wall more universally valid in immediate region of surface in presence of adverse gradient of pressure than mixing-length theory and original Johnson and King model.
Document ID
19930000333
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Johnson, D. A. (NASA Ames Research Center, Moffett Field, CA.)
Coakley, T. J. (NASA Ames Research Center, Moffett Field, CA.)
Date Acquired
August 16, 2013
Publication Date
June 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 6
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
ARC-12613
Accession Number
93B10333
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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