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Controlling subsynchronous whirl in turbopumpsActive fluidic dampers are proposed for controlling turbopump-shaft whirl. Study indicates that linear variable-bleed detector and linear bistable amplifier are effective in supplying sizable controlled damping forces. Linear bistable device was considered as simplest and most adequate.
Document ID
19790000533
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Black, M. D. (Rockwell International Corp.)
Rowan, B. F. (Rockwell International Corp.)
Date Acquired
August 10, 2013
Publication Date
June 1, 1980
Publication Information
Publication: NASA Tech Briefs
Volume: 4
Issue: 4
ISSN: 0145-319X
Subject Category
Mechanics
Report/Patent Number
MFS-19423
Accession Number
79B10533
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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