Journal
JOURNAL OF THE CHINESE SOCIETY OF MECHANICAL ENGINEERS
Volume 42, Issue 2, Pages 197-207Publisher
CHINESE SOC MECHANICAL ENGINEERS
Keywords
journal bearing; micro textures; rotational speed; viscosity; friction characteristics
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Funding
- Fundamental Research Funds for the Central Universities, China University of Petroleum [19CX02026A]
- Shandong Province Key Laboratory of Mine Mechanical Engineering, Shandong University of Science and Technology [2019KLMM208]
- Study Broad Fund - Shandong province government
- Shandong University of Science and Technology
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The study used simulation analysis and experiments to investigate the effects of viscosity and rotational speed on the friction coefficient of bearings, finding that higher viscosity lubricating oil and appropriate rotational speeds can improve lubrication performance.
As an important supporting part of rotating machinery, bearing is widely used in rotating machinery and equipment. In order to explore the influence of working conditions on the texture bearing, the simulation analysis and experiment are used. By three-dimensional micro-texture journal bearing model considering cavitation effect, the influence of rotational speed and viscosity on the oil film pressure, bearing capacity, friction coefficients of texture bearing is studied. Simulation results are verified by different working conditions in experiment. The results show that the higher the viscosity of lubricating oil is, the better the lubrication performance will be. As the rotational speed increases, the friction coefficient of the bearing first decreases and then increases.
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