Tribological Properties of Engine and Transmission

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: 20 June 2024 | Viewed by 1099

Special Issue Editor

School of Power and Energy Engineering, Harbin Engineering University, Harbin 150001, China
Interests: friction; tribology; lubrication; engine and transmission; contact pair; wear

Special Issue Information

Dear Colleagues,

This Special Issue is devoted to the application of the tribological property in engine and transmission. This issue seeks to publish original research papers of the highest scientific quality to provide an archival resource for scientists from all backgrounds. Research on friction, lubrication, and wear of the engine and transmission is welcomed. Written contributions are invited reporting experimental and modeling studies both in the tribological field of the engine and transmission, such as journal bearing, gears, piston ring, and cam roller pair. In addition, the relation between the dynamical characteristics and the tribological characteristics of the engine and transmission is also welcome.

Dr. Bin Zhao
Guest Editor

Manuscript Submission Information

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Published Papers (1 paper)

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Research

15 pages, 3717 KiB  
Article
Influence of Cavitation and Shaft Deformation in the Analysis of Lubrication of the Stern Bearing
by Tao He, Yingzhi Zhou, Yong Liu and Yang Xia
Appl. Sci. 2023, 13(15), 9033; https://doi.org/10.3390/app13159033 - 07 Aug 2023
Viewed by 764
Abstract
The cavitation phenomenon and shaft deformation have a significant impact on the tribological performance of the journal bearing. A mixed lubrication model is developed that takes into account surface roughness and asperity contact, as well as the effects of cavitation and deflection. The [...] Read more.
The cavitation phenomenon and shaft deformation have a significant impact on the tribological performance of the journal bearing. A mixed lubrication model is developed that takes into account surface roughness and asperity contact, as well as the effects of cavitation and deflection. The fluid–solid coupling effect in bearing deformation, asperity contact, and film pressure are investigated. The effect of boundary conditions on the lubrication regimes is discussed. The results of simulations with and without cavitation are compared under steady-state conditions. The results show that when cavitation is considered by the mixed lubrication model under a given load, the eccentricity is reduced, and the maximum oil film pressure is also reduced. The speed range of the bearing simulated with the mixed lubrication model increases after considering deflection deformation. The mixed lubrication model proposed in this paper is able to provide accurate results of pressure distribution and coefficient of friction and can be applied in the design and analysis of journal bearings. Full article
(This article belongs to the Special Issue Tribological Properties of Engine and Transmission)
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