Assuming narrow grooves and considering inertia effect, an equation for the pressure distribution in a grooved circular step thrust bearing has been derived. A parametric study has been performed to investigate the effects of step and groove geometry on pressure distribution, load capacity and lubricant flow rate. Three arrangements of the bearing surface have been studied and it has been found that the maximum load capacity is obtained by putting grooves only on the step. Inertia significantly affects the load capacity. To get increased load capacity with increase of inertia, the step inner radius should be larger than 0.45 times of the outer radius. For the most enhancement of hydrodynamic load, the groove inclination angle should be 135° with the direction of rotation and the depth should be twice the minimum film thickness.
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World Tribology Congress III
September 12–16, 2005
Washington, D.C., USA
Conference Sponsors:
- Tribology Division
ISBN:
0-7918-4202-9
PROCEEDINGS PAPER
Effects of Grooving in a Circular Step Thrust Bearing Available to Purchase
M. Mahbubur Razzaque,
M. Mahbubur Razzaque
Bangladesh University of Engineering and Technology, Dhaka, Bangladesh
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M. Zakir Hossain
M. Zakir Hossain
Bangladesh University of Engineering and Technology, Dhaka, Bangladesh
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M. Mahbubur Razzaque
Bangladesh University of Engineering and Technology, Dhaka, Bangladesh
M. Zakir Hossain
Bangladesh University of Engineering and Technology, Dhaka, Bangladesh
Paper No:
WTC2005-63431, pp. 79-80; 2 pages
Published Online:
November 17, 2008
Citation
Razzaque, MM, & Hossain, MZ. "Effects of Grooving in a Circular Step Thrust Bearing." Proceedings of the World Tribology Congress III. World Tribology Congress III, Volume 2. Washington, D.C., USA. September 12–16, 2005. pp. 79-80. ASME. https://doi.org/10.1115/WTC2005-63431
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