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Turbulence and transition modeling for high-speed flowsResearch conducted during the past three and a half years aimed at developing and testing a turbulence/transition model applicable to high-speed turbulent flows is summarized. The first two years of the project focused on fully turbulent flows, while emphasis shifted to boundary-layer development in the transition region during the final year and a half. A brief summary of research accomplished during the first three years is included and publications that describe research results in greater detail are cited. Research conducted during the final six months of the period of performance is summarized. The primary results of the last six months of the project are elimination of the k-omega model's sensitivity to the freestream value of omega and development of a method for triggering transition at a specified location, independent of the freestream turbulence level.
Document ID
19930023140
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Wilcox, David C. (DCW Industries, Inc. La Canada, CA, United States)
Date Acquired
September 6, 2013
Publication Date
April 1, 1993
Subject Category
Fluid Mechanics And Heat Transfer
Report/Patent Number
NASA-CR-191473
NAS 1.26:191473
DCW-R-35-03
Accession Number
93N32329
Funding Number(s)
CONTRACT_GRANT: NASA ORDER L-54880-C
CONTRACT_GRANT: DAAL03-89-C-0032
PROJECT: RTOP 505-59-50-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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