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Nozzle/Diffuser For Test Section Of Wind TunnelNozzle-diffuser improves distribution of flow in test section and increases recovery of pressure in first diffuser. Has rectangular or circular cross section like contraction duct just upstream of test section and is, in effect, extension of contraction duct. Because flow returning to fan at higher pressure, less fan power needed to maintain same rate of flow.
Document ID
19920000758
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Barna, P. Stephen (NASA Langley Research Center, Hampton, VA.)
Date Acquired
August 15, 2013
Publication Date
December 1, 1992
Publication Information
Publication: NASA Tech Briefs
Volume: 16
Issue: 12
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
LAR-14424
Report Number: LAR-14424
ISSN: 0145-319X
Accession Number
92B10758
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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