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A laser interferometer for measuring skin friction in three-dimensional flowsA new, nonintrusive method is described for measuring skin friction in three-dimensional flows with unknown direction. The method uses a laser interferometer to measure the changing slope of a thin oil film applied to a surface experiencing shear stress. The details of the method are described, and skin friction measurements taken in a swirling three-dimensional boundary-layer flow are presented. Comparisons between analytical results and experimental values from the laser interferometer method and from a bidirectional surface-fence gauge are made.
Document ID
19830035467
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Monson, D. J. (NASA Ames Research Center Physical Sciences Branch, Moffett Field, CA, United States)
Date Acquired
August 11, 2013
Publication Date
January 1, 1983
Subject Category
Instrumentation And Photography
Report/Patent Number
AIAA PAPER 83-0385
Meeting Information
Meeting: American Institute of Aeronautics and Astronautics, Aerospace Sciences Meeting
Location: Reno, NV
Start Date: January 10, 1983
End Date: January 13, 1983
Accession Number
83A16685
Distribution Limits
Public
Copyright
Other

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