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Cascade Blade Flutter and Wake Excitation

Published online by Cambridge University Press:  28 July 2016

J. F. W. Parry  and
H. Pearson
J. F. W. Parry
Affiliation:
Rolls-Royce Ltd.
H. Pearson
Affiliation:
Rolls-Royce Ltd.
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Extract

A new method of presenting the aerodynamic data for a compressor or turbine blade cascade is shown, with particular reference to flutter excitation or damping. The application of these results to wake excitation is demonstrated.

The basic equations for flutter excitation or damping are derived in the paper “The Aerodynamics of Compressor Blade Vibration” presented by H. Pearson at the 1953 Anglo-American Conference (London). No new equations are derived but the method of plotting the relevant data leads to a simpler appreciation of the criteria.

Information

Type
Technical Notes
Information
The Aeronautical Journal , Volume 58 , Issue 523 , July 1954 , pp. 505 - 508
Copyright
Copyright © Royal Aeronautical Society 1954

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