Stiffness and damping coefficients of 3-axial groove water lubricated bearing using perturbation technique
Ranjan, V., Pai, R., & Hargreaves, D. (2006) Stiffness and damping coefficients of 3-axial groove water lubricated bearing using perturbation technique. In 5th EDF and LMS Poitiers Workshop 'Bearing Behaviour Under Unusual Operating Conditions', Futurescope, 5th October 2006.
A Computational fluid dynamics (CFD) approach is used to model fluid flow in a journal bearing with three equi-spaced axial grooves and supplied with water from one end. Water is subjected to both velocity (Couette) & pressure induced (Poiseuille) flow. The working fluid passing through the bearing clearance generates driving force components that may increase the unstable vibration of the rotor. It is important to know the accurate rotor dynamic force component for predicting the instability of rotor bearing systems. In this paper a study has been made to obtain the stiffness and damping coefficients of 3 axial groove bearing using Perturbation technique.
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|Item Type:||Conference Paper|
|Keywords:||Axial groove, journal bearing, water lubricated, Computational Fluid Dynamics (CFD), stability|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300)|
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering|
Past > Schools > School of Engineering Systems
|Copyright Owner:||Copyright 2006 [please consult the authors]|
|Deposited On:||12 Jul 2011 08:19|
|Last Modified:||12 Jul 2011 08:19|
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