Evaluation of the wear resistance of a modified radial bearing design taking into account the compressibility of the lubricant
https://doi.org/10.46973/0201-727X_2024_4_8
Abstract
The research includes the development and analysis of a mathematical model of a micropolar lubricant in a modified sliding bearing design with a composite fluoroplastic coating on the shaft surface and a groove that improves the distribution of lubricant and increases the durability of the system.
Based on the equation of motion of the liquid lubricant under study, the continuity equation and the equation of state, new mathematical models are obtained that additionally take into account such parameter as compressibility.
The novelty of the work lies in the development of a methodology for engineering calculations of the design of a radial sliding bearing with a polymer coating, taking into account the presence of a groove, as well as the dependence of viscosity on pressure and compressibility of the lubricant, allowing to determine the value of the main tribotechnical parameters.
The results of the study provided a decrease in errors in bearing capacity and in the coefficient of friction of the bearing in comparison with traditional designs. As a result, it was possible to achieve an increase in the service life of radial bearings, which is of great importance for their industrial applications.
About the Authors
E. A. Bolgova
Rostov State Transport University
Russian Federation
Russian Federation
Bolgova Ekaterina Alexandrovna, Chair «Higher Mathematics», Postgraduate Student
M. A. Mukutadze
Rostov State Transport University
Russian Federation
Russian Federation
Mukutadze Murman Aleksandrovich, Chair «Higher Mathematics», Doctor of Engineering Sciences, Professor, Head of the Chair
I. A. Kolobov
Rostov State Transport University
Russian Federation
Russian Federation
Kolobov Igor Anatolievich, Chair «Operational Work Management», Candidate of Engineering Sciences, Associate Professor, Dean of the Faculty «Transportation Process Management»
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Review
For citations:
Bolgova E.A., Mukutadze M.A., Kolobov I.A. Evaluation of the wear resistance of a modified radial bearing design taking into account the compressibility of the lubricant. Vestnik Rostovskogo Gosudarstvennogo Universiteta Putej Soobshcheniya. 2024;(4):8-19. (In Russ.) https://doi.org/10.46973/0201-727X_2024_4_8
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