考虑粗糙侧接触的弹流润滑界面刚度和阻尼

IF 2 3区 工程技术 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY
Zhiqiang Gao, Yu Zhang, Xian Wei, Yanfang Zhu, Lixia Peng, Weiping Fu, Wen Wang
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引用次数: 0

摘要

弹性流体动力润滑(EHL)点接触发生在两个粗糙表面之间的细观水平上,而粗糙表面之间的相互作用涉及微观水平上的凹凸不平之间的接触。在大多数情况下,界面内凸起之间的接触采用横向接触而不是峰值接触的形式。没有接触缺陷的区域充满润滑油。然而,传统模型往往将横向接触形式过于简化为凹凸不平和光滑刚性平面之间的相互作用。这些简化不能准确地表示真实的接触条件,并可能导致分析EHL接触性能的不准确性。为了解决这个问题,我们开发了一个包含两个粗糙表面的新型EHL界面模型。通过该模型,我们可以探索粗糙度高度、接触角和接触方位角对EHL界面性能的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Elastohydrodynamic Lubrication Interface Stiffness and Damping Considering Asperity Lateral Contact

Elastohydrodynamic Lubrication Interface Stiffness and Damping Considering Asperity Lateral Contact

Elastohydrodynamic lubrication (EHL) point contact occurs between two rough surfaces at the mesoscopic level, while the interaction of rough surfaces involves contact between asperities at the microscale level. In most cases, the contact between asperities within an interface takes the form of lateral contact rather than peak contact. Regions devoid of contact asperities are filled with lubricating oil. However, conventional models often oversimplify lateral contact forms as interactions between asperities and a smooth, rigid plane. These simplifications fail to accurately represent the true contact conditions and can lead to inaccuracies in the analysis of EHL’s contact performance. To address this issue, we have developed a novel EHL interface model comprising two rough surfaces. This model allows us to explore the influence of asperity height, contact angle, and contact azimuth angle on EHL interface performance.

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来源期刊
Acta Mechanica Solida Sinica
Acta Mechanica Solida Sinica 物理-材料科学:综合
CiteScore
3.80
自引率
9.10%
发文量
1088
审稿时长
9 months
期刊介绍: Acta Mechanica Solida Sinica aims to become the best journal of solid mechanics in China and a worldwide well-known one in the field of mechanics, by providing original, perspective and even breakthrough theories and methods for the research on solid mechanics. The Journal is devoted to the publication of research papers in English in all fields of solid-state mechanics and its related disciplines in science, technology and engineering, with a balanced coverage on analytical, experimental, numerical and applied investigations. Articles, Short Communications, Discussions on previously published papers, and invitation-based Reviews are published bimonthly. The maximum length of an article is 30 pages, including equations, figures and tables
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