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Rhenium-Foil Witness CylindersCylindrical portion of wall of combustion chamber replaced with rhenium foil mounted on holder. Rhenium oxidizes without melting, indicating regions of excess oxidizer in combustion-chamber flow. Rhenium witness foils also useful in detecting excess oxygen and other oxidizers at temperatures between 2,000 and 3,600 degrees F in burner cores of advanced gas-turbine engines.
Document ID
19920000016
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Knight, B. L.
(Aerojet TechSystems Co.)
Date Acquired
August 15, 2013
Publication Date
January 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 1
ISSN: 0145-319X
Subject Category
Physical Sciences
Report/Patent Number
NPO-18224
Accession Number
92B10016
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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