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A Review on Application of Dynamic Parameters of Journal Bearing for Vibration and Condition Monitoring

Published online by Cambridge University Press:  11 August 2015

T. Narendiranath Babu ,
T. Manvel Raj  and
T. Lakshmanan
T. Narendiranath Babu*
Affiliation:
Mechanical Engineering Department, Anna University, Chennai, India
T. Manvel Raj
Affiliation:
Sri Krishna Engineering College, Chennai, India
T. Lakshmanan
Affiliation:
Mechanical Engineering Department, R.M.K. Engineering College, Chennai, India
*
* Corresponding author ([email protected])
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Abstract

The journal bearings are used to support high-speed rotors in turbo machinery which often operate above the rotor first bending critical speed. This bearing provide both lateral support and dynamic coefficients: Stiffness, damping, and mass terms, related to machine vibrations. The various methods of identifying journal bearing dynamic characteristics, from measured data, obtained from different measurement systems, are reviewed. The various approaches to the bearing identification problem are discussed. The various data processing methods in the time and frequency domains are presented. Also, vibration and condition monitoring techniques are presented. In this review, the relative strengths and weaknesses of bearing are presented and developments and trends in improving bearing measurements are documented. Future trends of journal bearing are discussed.

Keywords

Journal bearingDynamic characteristicsVibration and condition monitoring
Type
Research Article
Information
Journal of Mechanics , Volume 31 , Issue 4 , August 2015 , pp. 391 - 416
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2015 

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