Adhesion-Deformation-Hydrodynamic model of friction and wear

Stelmakh, Oleksandr; Fu, Hongyu; Guo, Yiqiao; Wang, Xinbo; Zhang, Hao; Dykha, O.

doi:10.31891/2079-1372-2022-105-3-49-54

Cited by 1 publication

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“…The nature of the duration of the existence of the lubricating layer varies depending on the condition of the plain bearing. Therefore, it is fair to assume that such an operational tribological parameter as Pg , on the one hand, is sensitive to the technical condition of the bearing, and, on the other hand, affects the intensity of its wear [5,6].…”

Section: Introductionmentioning

confidence: 99%

Parameters of the lubrication process during operational wear of the crankshaft bearings of automobile engines

Aulin¹,

Lysenko²,

Hrynkiv³

et al. 2022

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The article discusses the dynamics of the lubrication process during the operational wear of the crankshaft bearings of automobile engines. All lubrication modes and wear processes are analyzed. The main attention is paid to the steady and unsteady modes of lubrication of the crankshaft bearings. The nature of the dynamics of changing lubrication regimes is substantiated through operational tribological parameters that characterize the integral degree of existence of the lubricating layer. A model is proposed for the relationship of these parameters with a number of factors, and the nature of their changes with a change in the speed of the crankshaft of the car engine is substantiated. The results of bench tests of diesel engines of the KamAZ series, speed and load characteristics of the engine in terms of tribological operational parameters are presented. A graphical interpretation of the tribological parameter in the field of the load-speed mode of KamAZ engines is given

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Section: Introductionmentioning

confidence: 99%