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Application of Squeeze-Film Dampers to a Large Centrifugal Compressor

[+] Author Affiliations
Edmund A. Memmott

Dresser-Rand, Olean, NY

Paper No. GT2010-23553, pp. 409-420; 12 pages
doi:10.1115/GT2010-23553
From:
  • ASME Turbo Expo 2010: Power for Land, Sea, and Air
  • Volume 6: Structures and Dynamics, Parts A and B
  • Glasgow, UK, June 14–18, 2010
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4401-4 | eISBN: 978-0-7918-3872-3
  • Copyright © 2010 by ASME

abstract

This paper discusses the application of squeeze-film dampers in series with the tilting pad bearings of a large centrifugal compressor. The compressor was first factory tested with non-damper bearings and there was some subsynchronous vibration. Damper bearings were installed and the subsynchronous vibration was gone. The compressor shipped with damper bearings. Analytical and test results will be presented for both rotor dynamic systems. Design considerations in the use of squeeze-film dampers with tilting pad journal bearings will be reviewed.

Copyright © 2010 by ASME
Topics: Compressors , Dampers

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