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- Title
INVESTIGATION OF THE EFFECT OF NON-ISOTHERMAL FLOW OF NON-NEWTONIAN FLUID IN A THIN LAYER AND THERMAL STATE OF THE TURBOCHARGER RADIAL BEARINGS ON THE ROTOR DYNAMICS.
- Authors
ZADOROZHNAYA, E.; КANDEVA, M.; HUDYAKOV, V.; DOLGUSHIN, I.
- Abstract
Most of the theoretical and experimental works on the study of friction units are based on the classical hydrodynamic theory of lubrication. In the present study, a system of equations for hydrodynamic problems that take into account the processes of heat exchange between a lubricant and a solid is given. To model non-Newtonian properties of modern lubricants, a rheological model of the lubricant was used. A series of comparative calculations for evaluating the performance of hydrodynamic units, taking into account their thermal loading, is performed on the example of calculating the dynamics of a flexible asymmetric rotor. The results of the calculations showed that the temperature difference between the rotor bearings was 15-18 degrees. The results of theoretical studies have shown good agreement with the results of experimental studies.
- Subjects
ROTOR bearings; NON-Newtonian fluids; ROTOR dynamics; FLUID flow; TURBOCHARGERS; SOLID lubricants; NEWTONIAN fluids; HYDRODYNAMIC lubrication
- Publication
Journal of the Balkan Tribological Association, 2019, Vol 25, Issue 4, p985
- ISSN
1310-4772
- Publication type
Article