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Schlieren Photographic Studies Of Dynamic StallReport describes stroboscopic Schlieren photographic observations of flows around airfoil oscillating sinusoidally about fixed angle of attack. Conducted in wind tunnel on (NACA) 0012 airfoil oscillating with amplitude of 10 degrees about mean angle of attack of 10 degrees. Photographs taken along span of airfoil. Mach numbers and frequencies chosen to encompass conditions on retreating blades of helicopter rotors in forward flight.
Document ID
19920000547
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Carr, L.
(NASA Ames Research Center, Moffett Field, CA.)
Chandrasekhara, M.
(Naval Postgraduate School)
Date Acquired
August 15, 2013
Publication Date
September 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 9
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
ARC-12471
Accession Number
92B10547
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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