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Design of a squeeze-film damper for a multi-mass flexible rotorA single mass flexible rotor analysis was used to optimize the stiffness and damping of a flexible support for a symmetric five-mass rotor. The flexible support attenuates the rotor motions and forces transmitted to the support bearings when the rotor operates through and above its first bending critical speed. An oil squeeze-film damper was designed based on short bearing lubrication theory. The damper design was verified by an unbalance response computer program. Rotor amplitudes were reduced by a factor of 16 and loads reduced by a factor of 36 compared with the same rotor on rigid bearing supports.
Document ID
19760031673
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Cunningham, R. E.
(NASA Lewis Research Center Cleveland, OH, United States)
Fleming, D. P.
(NASA Lewis Research Center Cleveland, Ohio, United States)
Gunter, E. J.
(Virginia, University Charlottesville, Va., United States)
Date Acquired
August 8, 2013
Publication Date
November 1, 1975
Subject Category
Mechanical Engineering
Report/Patent Number
ASME PAPER 75-DET-40
Accession Number
76A14639
Distribution Limits
Public
Copyright
Other

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