期刊
TRIBOLOGY INTERNATIONAL
卷 154, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2020.106704
关键词
Chevron texture; Load carrying capacity; Arrangement of textures; Hydrodynamic lubrication
资金
- National key R&D Program of China [2018YFB0703800]
- Natural Science Fund of Shaanxi Province for distinguished Yong Scholars [2019JC-10]
- Polymer Electromagnetic Functional Materials Innovation Team of Shaanxi Sanqin Scholars
Numerical simulations were used to study the lubrication performance of chevron textured surfaces under hydrodynamic lubrication. It was found that the V-shape arrangement of chevron textures greatly improved lubrication performance, providing an effective way to enhance the load carrying capacity and reduce friction coefficient on such surfaces.
The numerical simulations were performed to investigate the lubrication performance on the chevron textured surface under hydrodynamic lubrication. The geometric parameters of the texture were systematically studied. Additionally, we investigated the pressure distribution and the flow velocity vectors to explore the mechanism of the geometric parameters influencing the lubrication performance. We found that, with the same geometric parameters, the arrangement of the chevron textures influences the pressure distribution and thus the load carrying capacity and the friction coefficient. More importantly, we designed the V-shape arrangement of chevron textures and found that the V-shape arrangement greatly improve the lubrication performance. Our results provide an effective way to further improve the lubrication performance of the chevron textured surface.
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