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Holographic flow visualization of time-varying shock wavesRapid-double-exposure, diffuse-illumination holography is evaluated analytically and experimentally as a flow visualization method for time-varying shock waves. Conditions are determined that minimize the distance (localization error) between the surface or curve of interference-fringe localization and the shock surface. Treated specifically are the cases of shock waves in a transonic compressor rotor for which there is laser anemometer data for comparison and shock waves in a flutter cascade.
Document ID
19810063238
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Decker, A. J.
(NASA Lewis Research Center Cleveland, OH, United States)
Date Acquired
August 11, 2013
Publication Date
September 15, 1981
Publication Information
Publication: Applied Optics
Volume: 20
Subject Category
Instrumentation And Photography
Accession Number
81A47642
Distribution Limits
Public
Copyright
Other

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