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Experimental Investigation on the Forced Response of a Dummy Counter Rotating Turbine Stage With Friction Damping

[+] Author Affiliations
Teresa Berruti, Vanni Maschio

Politecnico di Torino, Turin, Italy

Paolo Calza

Avio S.p.A., Rivalta di Torino, TO, Italy

Paper No. GT2012-69059, pp. 1253-1262; 10 pages
doi:10.1115/GT2012-69059
From:
  • ASME Turbo Expo 2012: Turbine Technical Conference and Exposition
  • Volume 7: Structures and Dynamics, Parts A and B
  • Copenhagen, Denmark, June 11–15, 2012
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-4473-1
  • Copyright © 2012 by ASME

abstract

The paper shows the results of the experimental activity about the dynamics of a stage of a counter rotating turbine of an open rotor architecture engine. The tests here presented explore the dynamic behavior of a simplified counter-rotating turbine stage. The test results show the dynamic behavior of a counter rotating turbine stage and highlight the importance of the presence of dry friction for vibration damping.

Copyright © 2012 by ASME
Topics: Friction , Damping , Turbines

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