5. Bearings and Their Effect on Rotordynamics

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

Published Online: 3 MAY 2010

DOI: 10.1002/9780470903704.ch5

Machinery Vibration and Rotordynamics

Machinery Vibration and Rotordynamics

How to Cite

Vance, J., Zeidan, F. and Murphy, B. (2010) Bearings and Their Effect on Rotordynamics, in Machinery Vibration and Rotordynamics, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9780470903704.ch5

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:

  • bearings - effect on rotordynamics;
  • bearings - component in turbo, rotating machinery;
  • geometric preload in tilt pad bearings - critical, effective parameter;
  • squeeze film dampers - bearing static load/dynamic load;
  • overhung rotors - critical speed and stability predictions analysis

Summary

This chapter contains sections titled:

  • Fluid Film Bearings

  • Fixed-geometry Sleeve Bearings

  • Variable-geometry Tilting Pad Bearings

  • Fluid Film Bearing Dynamic Coefficients and Methods of Obtaining Them

  • Load Between Pivots Versus Load on Pivot

  • Influence of Preload on the Dynamic Coefficients in Tilt Pad Bearings

  • Influence of the Bearing Length or Pad Length

  • Influence of the Pivot Offset

  • Influence of the Number of Pads

  • Ball and Rolling Element Bearings

  • Case Study: Bearing Support Design for a Rocket Engine Turbopump

  • Squeeze Film Dampers

  • Applications of Squeeze Film Dampers

  • Insights into the Rotor–Bearing Dynamic Interaction with Soft/Stiff Bearing Supports

  • Influence on Natural Frequencies with Soft/Stiff Bearing Supports

  • Effects of Mass Distribution on the Critical Speeds with Soft/Stiff Bearing Supports

  • Influence of Overhung Mass on Natural Frequencies with Soft/Stiff Supports

  • Influence of Gyroscopic Moments on Natural Frequencies with Soft/Stiff Bearing Supports

  • References

  • Exercises

  • Appendix: Shaft With No Added Weight