Bifurcations of a flexible rotor response in squeeze-film dampers without centering springs

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Abstract

The effects of the bearing parameter, B, gravity parameter, W, and mass ratio, α, on the bifurcations in the response of a flexible rotor supported by squeeze-film dampers without centering springs were analyzed. In particular, the effects of these parameters on the onset speed of bifurcation and the extent of non-synchronous response of the rotor within the range of speed parameter, ω, between 0.5 and 5.0 were also analyzed. The results show that increasing B caused the onset of bifurcation to increase, and the range of ω where non-synchronous response was observed to decrease. The results are of significant importance to the designers and operators of rotating machinery.

Original languageEnglish
Pages (from-to)583-596
Number of pages14
JournalChaos, Solitons and Fractals
Volume24
Issue number2
DOIs
Publication statusPublished - 01 Apr 2005

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematics(all)
  • Physics and Astronomy(all)
  • Applied Mathematics

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