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Developments in Fluid Film Bearing Technology

  • A. El-ShafeiEmail author
Conference paper
Part of the IUTAM Bookseries book series (IUTAMBOOK, volume 1011)

Abstract

This paper presents some new developments in Fluid Film Bearing (FFB) technology. The phenomena of oil whirl and oil whip leading to instability in FFB supported rotors; limit the performance of rotating machinery. This paper presents some new developments that affect the instability threshold, namely the positive effect of angular misalignment on the instability threshold and related design improvements in FFB design. In addition, the concept of an integrated FFB with active magnetic bearing (AMB) is discussed with implications on improving the stability threshold, and actively controlling FFBs.

Keywords

Fluid film bearings Instability Stability threshold Oil whirl Oil whip Stable bearing design Journal bearings Active Magnetic bearings 

References

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  1. 1.Department of Mechanical Design & Production, Faculty of EngineeringCairo UniversityGizaEgypt

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