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Remotely-Controlled Variable-Orifice ValveRemotely-controlled variable-orifice valve used to adjust back pressure in tests of flow of air in duct. Disk with holes rotated on fixed disk with similiar holes to adjust cross sectional area available to flow. Features include compactness and reduction of perturbation. Moved easily from one flow-test facility to another.
Document ID
19900000294
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Hill, Olen E. (NASA Marshall Space Flight Center, Huntsville, AL.)
Date Acquired
August 14, 2013
Publication Date
June 1, 1990
Publication Information
Publication: NASA Tech Briefs
Volume: 14
Issue: 6
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
MFS-28369
Accession Number
90B10294
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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