Fast Fourier transform analysis of rotor-bearing systemsNonlinear transient analysis of rotor-bearing systems is becoming increasingly important in the analysis of modern-day rotating machinery to model such phenomena as oil film whirl. This paper develops an analysis technique incorporating modal analysis and fast Fourier transform techniques to analyze rotors with residual shaft bow and realistic nonlinear bearings. The technique is demonstrated on single-mass and three-mass rotor examples. Comparisons of the theoretical results with experimental data give excellent agreement.
Document ID
19790032003
Acquisition Source
Legacy CDMS
Document Type
Conference Proceedings
Authors
Choy, K. C. (Virginia Univ. Charlottesville, VA, United States)
Gunter, E. J. (Virginia Univ. Charlottesville, VA, United States)
Allaire, P. E. (Virginia, University Charlottesville, Va., United States)
Date Acquired
August 9, 2013
Publication Date
January 1, 1978
Subject Category
Mechanical Engineering
Meeting Information
Meeting: Topics in fluid film bearing and rotor bearing system design and optimization; Design Engineering Conference