Volume 43, No 3, 2021, Pages 413-419

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The Optimization of Microgeometric Parameters of Hydrodynamic Heavy Loaded Tribounits of a Forced Internal Combustion Engine


K. Gavrilov , V. Hudyakov , A. Rulevskiy

DOI: 10.24874/ti.1091.04.21.07

Received: 13 April 2021
Revised: 31 May 2021
Accepted: 30 June 2021
Published: 15 September 2021


The article presents a technique for solving the problem of multicriteria optimization of microgeometric parameters. The calculation methods are based on the mass conservation algorithm of lubricant layer. The description of the developed software package for solving the problem of determining optimal microgeometric parameters of a journal bearing is given. The calculations of the optimal microgeometric parameters performed for radial journal bearing of a forced internal combustion tractor engine, and the friction losses were estimated before and after solving the optimization problem.


Journal bearing, Multicriteria optimization, Microgeometric parameters

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