Friction Damping of Resonant Stresses in Gas Turbine Engine Airfoils

[+] Author and Article Information
J. H. Griffin

Government Products Division, Pratt & Whitney Aircraft, West Palm Beach, Fla. 33402

J. Eng. Power 102(2), 329-333 (Apr 01, 1980) (5 pages) doi:10.1115/1.3230256 History: Received December 18, 1978; Online September 28, 2009


The resonant response of a turbine airfoil attenuated through use of a Coulomb damper is analyzed. Parameters that control the damper’s effectiveness are identified and characteristics of an optimized system are described. The results of the analysis are confirmed by laboratory tests.

Copyright © 1980 by ASME
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