Design of Hydrodynamically Lubricated a New Micro-pocketed Tilting Pad Thrust Bearing Based on Simulated Performance Parameters

Numerical investigation has been performed at several operating parameters for developing the graphs to design a hydrodynamically lubricated new micro-pocketed tilting pad thrust bearing. The performance parameters (minimum film thickness, friction coefficient, inflow, side leakage, and dynamic coef...

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Bibliographic Details
Published in:Tribology in industry 2022-09, Vol.44 (3), p.482-497
Main Authors: Atwal, J.C., Pandey, R.K.
Format: Article
Language:English
Subjects:
bearing design
Coefficient of friction
Damping
Design parameters
Film thickness
Friction reduction
Graphs
micro-pockets
numerical simulations
Stiffness
Thrust bearings
tilting pad
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Summary:Numerical investigation has been performed at several operating parameters for developing the graphs to design a hydrodynamically lubricated new micro-pocketed tilting pad thrust bearing. The performance parameters (minimum film thickness, friction coefficient, inflow, side leakage, and dynamic coefficients i.e., stiffness and damping) with new micro-pocketed pad have been plotted as a function of pivot location. The use of these graphs has been demonstrated by presenting a solved design problem. The performance parameters of bearings achieved with the new micro-pocketed pad have been compared with plain and rectangular micro-pocketed pads at wide range of operating parameters. With the new micro-pocketed pad, up to 37.4% & 7.7% increase in the minimum film thickness and 14.3% & 7% reduction in friction coefficient have been found compared to the plain and existing rectangular shape pocketed pads, respectively.
ISSN:0354-8996
2217-7965
DOI:10.24874/ti.1286.04.22.07