Velocity analysis for layered viscosity model under thin film lubrication |
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Authors: | Qu Qingwen Wang Mei Chai Shan Yao Fusheng |
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Abstract: | The lubrication of bearings is directly affected by the flow properties of the liquid lubricant. One key feature of lubricant is its viscosity distribution in the bearing. The distribution is dependent on the adsorbent properties of the surface and the velocity distribution of the lubricant. This paper is only connected with the velocity analysis on the cross-gap flow. Because of increasing the speed, apart from increasing the temperature, the other features of lubricant will be changed. When fluid film is thin, the speed effects become important due to the increased shear rate. This paper describes the fluid velocity profiles produced for the case where layers of greater viscosity than the bulk occur on the bearing surfaces. |
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Keywords: | Thin film lubrication Velocity Viscosity Layer model |
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