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The Control of Engine Vibration Using Squeeze-Film Dampers PUBLIC ACCESS

[+] Author Affiliations
R. Holmes

University of Sussex, Brighton, Sussex, England

Paper No. 82-GT-241, pp. V005T13A012; 8 pages
doi:10.1115/82-GT-241
From:
  • ASME 1982 International Gas Turbine Conference and Exhibit
  • Volume 5: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; Process Industries; Technology Resources; General
  • London, England, April 18–22, 1982
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7960-3
  • Copyright © 1982 by ASME

abstract

This paper describes the following roles of a squeeze-film damper when used in gas turbine applications as a means of reducing vibration and transmitted force due to unbalance. (a) as an element in parallel with a soft spring in a vibration isolator and (b) as an element in series with the stiffness of the engine pedestal. The effects of cavitation on performance are elucidated and the dangers of jump phenomena and subsynchronous response are discussed. Experimental work is described in which both roles of the squeeze-film damper are investigated and the results are compared with theoretical predictions.

Copyright © 1982 by ASME
Topics: Engines , Dampers , Vibration
This article is only available in the PDF format.

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