In this article, the authors present the results of numerical calculations. Calculations concern dimensionless
carrying capacity and friction forces in a transverse journal bearing, lubricated by the oil of non-Newtonian
properties. For analytical-numerical considerations a model of apparent viscosity changes based on exploitation time,
pressure, temperature, shear rate was assumed The non-Newtonian properties of lubricating oil were characterized by
increasing viscosity with increasing shear rate and described as an additional part in the constitutive
equationβ3·tr(A1 2)A1.
Analytical-numerical calculations were performed for smooth, non-porous plain bearing with full angle of wrap.
Non-isothermal, laminar and fixed flow of lubricant in the lubrication gap of the journal bearing was assumed.
Numerical calculations of hydrodynamic pressure distribution were made for Reynolds boundary conditions. The
finite difference method was used to determine the Reynolds equation and the successive approximation method by
taking into account the influence of pressure, temperature and non-Newtonian properties on the change of apparent
viscosity. The results of the calculations are presented in the form of graphs and tables illustrating the influence of
relative eccentricity and pressure, temperature and non-Newtonian properties on changes in the dimensionless load
and friction force. Analysis of the obtained results illustrates the high-pressure effect on the increase of the carrying
capacity and friction force for high relative eccentricities. A similar situation is by considering the non-Newtonian
properties.
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