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Aerodynamic analysis of a supersonic cascade vibrating in a complex modeAn analysis is presented which has been used to predict the unsteady aerodynamic behavior of a finite supersonic cascade of airfoils forced in harmonic oscillation with airfoil-to-airfoil variations in amplitude. Theoretical predictions are compared with some recent experimental results at a reduced frequency representative of actual fan or compressor flutter cases. The similarity of the experimental situation in the finite cascade to the flutter of a severely mistuned rotor is noted.
Document ID
19800061671
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Caruthers, J. E.
(Tennessee, University Space Institute, Tullahoma, Tenn., United States)
Riffel, R. E.
(General Motors Corp. Detroit Allison Div., Indianapolis, Ind., United States)
Date Acquired
August 10, 2013
Publication Date
July 22, 1980
Publication Information
Publication: Journal of Sound and Vibration
Volume: 71
Subject Category
Aerodynamics
Accession Number
80A45841
Funding Number(s)
CONTRACT_GRANT: NAS3-20055
Distribution Limits
Public
Copyright
Other

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