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Friction Damping of Random Vibration in Gas Turbine Engine Airfoils FREE

[+] Author Affiliations
Alok Sinha

The Pennsylvania State University, University Park, PA

Paper No. 87-GT-44, pp. V005T13A002; 7 pages
doi:10.1115/87-GT-44
From:
  • ASME 1987 International Gas Turbine Conference and Exhibition
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Process Industries; General
  • Anaheim, California, USA, May 31–June 4, 1987
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7927-6
  • Copyright © 1987 by ASME

abstract

The optimal value of slip load is calculated for a frictionally damped turbine blade subjected to random excitation. The nature of excitation is assumed to be Gaussian white noise and the statistics of response are obtained using equivalent linearization approach. The results from this technique are compared with those from numerical simulations.

Copyright © 1987 by ASME
This article is only available in the PDF format.

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