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Measurements of Unsteady Vortex FlowfieldsA combined surface hot film and laser velocimeter measurement technique has been developed for the study of time-dependent turbulent flows. Data obtained in a compressible cylinder wake (M(sub infinity) = 0.6) are presented, and its structure in both the Eulerian and Lagrangian frames is discussed. Turbulence data obtained by conventional and phase averaging of the velocity fluctuations provide details of the small- and large-scale contributions to the total turbulent field.
Document ID
19990026882
Acquisition Source
Ames Research Center
Document Type
Reprint (Version printed in journal)
Authors
Owen, F. K. (Owen (F. K.) Palo Alto, CA United States)
Johnson, D. A. (NASA Ames Research Center Moffett Field, CA United States)
Date Acquired
August 19, 2013
Publication Date
October 1, 1980
Publication Information
Publication: AIAA Journal
Publisher: American Institute of Aeronautics and Astronautics
Volume: 18
Issue: 10
Subject Category
Fluid Mechanics And Heat Transfer
Report/Patent Number
AIAA Paper 78-18R
Report Number: AIAA Paper 78-18R
Meeting Information
Meeting: Aerospace Sciences
Location: Huntsville, AL
Country: United States
Start Date: January 16, 1978
End Date: January 18, 1978
Sponsors: American Inst. of Aeronautics and Astronautics
Funding Number(s)
CONTRACT_GRANT: NAS2-9168
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
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