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Vortex boundary-layer interactionsParametric studies to identify a vortex generator were completed. Data acquisition in the first chosen configuration, in which a longitudinal vortex pair generated by an isolated delta wing starts to merge with a turbulent boundary layer on a flat plate fairly close to the leading edge is nearly completed. Work on a delta-wing/flat-plate combination, consisting of a flow visualization and hot wire measurements taken with a computer controlled traverse gear and data logging system were completed. Data taking and analysis have continued, and sample results for another cross stream plane are presented. Available data include all mean velocity components, second order mean products of turbulent fluctuations, and third order mean products. Implementation of a faster data logging system was accomplished.
Document ID
19860013085
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Bradshaw, P. (Imperial Coll. of Science and Technology London, United Kingdom)
Date Acquired
September 5, 2013
Publication Date
January 1, 1986
Subject Category
Aerodynamics
Report/Patent Number
NASA-CR-176701
NAS 1.26:176701
Accession Number
86N22556
Funding Number(s)
CONTRACT_GRANT: NAGW-581
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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