Torsional/Lateral Coupling in Geared Rotors PUBLIC ACCESS

[+] Author Affiliations
Raymond J. Iannuzzelli, Robert M. Elward

Air Products and Chemicals, Inc., Trexlertown, PA

Paper No. 84-GT-71, pp. V005T13A008; 8 pages
  • ASME 1984 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
  • Amsterdam, The Netherlands, June 4–7, 1984
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7950-4
  • Copyright © 1984 by ASME


The torsional and lateral rotor dynamic analyses of most turbomachinery designs are usually conducted independently, however, for a certain class of turbomachinery, e.g., geared compressors, the torsional and lateral vibrations are coupled due to the offset centerlines of the geared rotors. This paper develops and verifies the appropriate coupling matrix. An analysis is then presented of a multistage, geared compressor showing the effects of coupling. Test data is also presented.

Copyright © 1984 by ASME
Topics: Rotors
This article is only available in the PDF format.



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