Effects of damping and damping mistuning on the forced vibration response of bladed disks

Chung Chih Lin, Marc Mignolet

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The effects of blade-to-blade variations in the damping coefficients on the forced response of a bladed disk are investigated. It is found that this nonuniformity of the disk can lead to variations in the blades' amplitudes of response which are similar, in magnitude, to those obtained with stiffness mistuning but are potentially more dangerous because of the skewness of the distribution toward large amplitudes. The influence of various structural parameters on the scatter of blade amplitudes is also studied. Finally, the adequacy of the combined Closed Form - Perturbation (CFP) method is demonstrated by comparison with simulation results.

Original languageEnglish (US)
Title of host publicationGeneral
PublisherAmerican Society of Mechanical Engineers
ISBN (Electronic)9780791878903
DOIs
StatePublished - Jan 1 1993
EventASME 1993 International Gas Turbine and Aeroengine Congress and Exposition, GT 1993 - Cincinnati, United States
Duration: May 24 1993May 27 1993

Publication series

NameASME 1993 International Gas Turbine and Aeroengine Congress and Exposition, GT 1993
Volume3A

Other

OtherASME 1993 International Gas Turbine and Aeroengine Congress and Exposition, GT 1993
CountryUnited States
CityCincinnati
Period5/24/935/27/93

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Fuel Technology
  • Nuclear Energy and Engineering
  • Aerospace Engineering
  • Mechanical Engineering

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  • Cite this

    Lin, C. C., & Mignolet, M. (1993). Effects of damping and damping mistuning on the forced vibration response of bladed disks. In General (ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition, GT 1993; Vol. 3A). American Society of Mechanical Engineers. https://doi.org/10.1115/93-GT-194