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

Journal: Tribology in Industry (Vol.44, No. 3)

Publication Date:

Authors : ;

Page : 482-497

Keywords : Thrust bearings; Tilting pad; Micro-pockets; Numerical simulations; Bearing design;

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Abstract

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.

Last modified: 2022-10-24 17:50:21