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Reflection-Type Oil-Film Skin-Friction MeterOil-film skin-friction meter for both flight and wind-tunnel applications uses internal reflection and is self-contained, compact unit. Contained in palm-sized housing, in which source of light, mirrors, and sensor mounted rigidly in alignment. Entire unit mounted rigidly under skin of aircraft or wind tunnel, eliminating any relative vibration between optical elements and skin of aircraft or wind tunnel. Meter primarily applicable to flight and wind-tunnel tests, also used in chemical-processing plants.
Document ID
19930000458
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Bandyopadhyay, Promode R.
(Analytical Services & Materials, Inc.)
Weinstein, Leonard M.
(NASA Langley Research Center, Hampton, VA.)
Date Acquired
August 16, 2013
Publication Date
August 1, 1993
Publication Information
Publication: NASA Tech Briefs
Volume: 17
Issue: 8
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
LAR-14520
Accession Number
93B10458
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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