Effect of inertia forces on the performance of externally pressurized conical thrust bearings under turbulent flow conditions

The effects of convective and centrifugal inertia forces on the performance of externally pressurized conical thrust bearings, working under turbulent flow conditions, are studied. The study makes use of an algebraic Reynolds stress model proposed for turbulent lubrication. The governing equations a...

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Bibliographic Details
Published in:Wear 1993-07, Vol.166 (2), p.155-161
Main Authors: Khalil, M.F., Kassab, S.Z., Ismail, A.S.
Format: Article
Language:English
Subjects:
Applied sciences
Bearings, bushings, rolling bearings
Drives
Exact sciences and technology
Mechanical engineering. Machine design
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Summary:The effects of convective and centrifugal inertia forces on the performance of externally pressurized conical thrust bearings, working under turbulent flow conditions, are studied. The study makes use of an algebraic Reynolds stress model proposed for turbulent lubrication. The governing equations are solved iteratively using the finite difference method. The study reveals that the effect of the convective inertia force on the conical bearing performance is opposite to the effect of the centrifugal force. Further, the effect of combined inertia forces is to decrease both the dimensionless pressure and the load of the bearing.
ISSN:0043-1648
1873-2577
DOI:10.1016/0043-1648(93)90257-M