Some Vibration Characteristics of Pin-Fixed Compressor Blades

[+] Author and Article Information
J. I. Goatham, G. T. Smailes

Rolls-Royce Limited, Derby, England

J. Eng. Power 89(4), 491-501 (Oct 01, 1967) (11 pages) doi:10.1115/1.3616717 History: Received July 29, 1966; Online August 25, 2011


The nature of some of the modes of vibration of blades having a free-pin attachment is discussed, with particular reference to expected positions of failure, bending-stress distribution, and calculation of natural frequencies. Some aspects of aerodynamic damping and prediction of amplitudes in distorted flow are also treated, and a critical direction of blade vibration is indicated and shown to exist in a particular mode of a compressor blade.

Copyright © 1967 by ASME
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