3. Introduction to Rotordynamics Analysis

  1. John Vance,
  2. Fouad Zeidan and
  3. Brian Murphy

Published Online: 3 MAY 2010

DOI: 10.1002/9780470903704.ch3

Machinery Vibration and Rotordynamics

Machinery Vibration and Rotordynamics

How to Cite

Vance, J., Zeidan, F. and Murphy, B. (2010) Introduction to Rotordynamics Analysis, in Machinery Vibration and Rotordynamics, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470903704.ch3

Publication History

  1. Published Online: 3 MAY 2010
  2. Published Print: 12 MAY 2010

ISBN Information

Print ISBN: 9780471462132

Online ISBN: 9780470903704

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Keywords:

  • introduction - rotordynamics analysis;
  • rotordynamics - dynamics of rotating machinery;
  • expensive turbomachines - incapable of producing rated performance;
  • synchronous vibration - indicating rotor imbalance problem;
  • minimizing amplitudes - balancing rotor, changing operating speed

Summary

This chapter contains sections titled:

  • Objectives of Rotordynamics Analysis

  • The Spring–Mass Model

  • Synchronous and Nonsynchronous Whirl

  • Analysis of the Jeffcott Rotor

  • Some Damping Definitions

  • The “Gravity Critical”

  • Critical Speed Definitions

  • Effect of Flexible (Soft) Supports

  • Rotordynamic Effects of the Force Coefficients—A Summary

  • Rotordynamic Instability

  • Effect of Cross-Coupled Stiffness on Unbalance Response

  • Added Complexities

  • Gyroscopic Effects

  • Effect of Support Asymmetry on Synchronous Whirl

  • False Instabilities

  • References

  • Exercises