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Reducing Fatigue in a Rotary FlowmeterRedesign of vanes straightening flow of liquid in rotary flowmeter increase fatigue lives of vanes and rotor. Purpose of vanes to eliminate turbulence so proportionality between flow and rotor speed constant. Nonuniform but symmetrical, new spacing of straightener vanes prevents flow wake from strongly interacting with rotor blades. At same time, vanes ensure accurate flow-rate measurement.
Document ID
19870000084
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Rao, G. (Rockwell International Corp.)
Date Acquired
August 13, 2013
Publication Date
February 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 2
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-29038
Accession Number
87B10084
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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