<abstract xmlns="http://www.w3.org/1999/xhtml"><p>In the paper the influence of both bearing surfaces roughness and porosity of one bearing surface on the pressure distribution and load-carrying capacity of a thrust bearing surfaces is discussed. The equations of motion of a pseudo-plastic fluid of Rotem-Shinnar, are used to derive the Reynolds equation. After general considerations on the flow in a bearing clearance and in a porous layer using the Morgan-Cameron approximation and Christensen theory of hydrodynamic lubrication the modified Reynolds equation is obtained. The analytical solutions of this equation for the cases of squeeze film bearing and externally pressurized bearing are presented. As a result one obtains the formulae expressing pressure distribution and load-carrying capacity. Thrust radial bearing with squeezed film is considered as a numerical example.</p></abstract>

In the paper the influence of both bearing surfaces roughness and porosity of one bearing surface on the pressure distribution and load-carrying capacity of a thrust bearing surfaces is discussed. The equations of motion of a pseudo-plastic fluid of Rotem-Shinnar, are used to derive the Reynolds equation. After general considerations on the flow in a bearing clearance and in a porous layer using the Morgan-Cameron approximation and Christensen theory of hydrodynamic lubrication the modified Reynolds equation is obtained. The analytical solutions of this equation for the cases of squeeze film bearing and externally pressurized bearing are presented. As a result one obtains the formulae expressing pressure distribution and load-carrying capacity. Thrust radial bearing with squeezed film is considered as a numerical example.

Thrust Porous Bearing with Rough Surfaces Lubricated by a Rotem-Shinnar Fluid

Faculty of Mechanical Engineering, ul. Szafrana 2, P.O.Box 47, University of Zielona Góra, 65-516 Zielona Góra, Poland

Acta Mechanica et Automatica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Thrust Porous Bearing with Rough Surfaces Lubricated by a Rotem-Shinnar Fluid"}

In the paper the influence of both bearing surfaces roughness and porosity of one bearing surface on the pressure distribution and load-carrying capacity of a...

Thrust Porous Bearing with Rough Surfaces Lubricated by a Rotem-Shinnar Fluid

Publié en ligne: 07 mars 2016

Pages: 50 - 55

Reçu: 13 juin 2014

Accepté: 23 févr. 2016

DOI: https://doi.org/10.1515/ama-2016-0009

Mots clés
Pseudo-Plastic Fluid, Rotem-Shinnar Model, Thrust Bearing, Porous Layer, Christensen Roughness

© 2016 Bialystok University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Thrust Porous Bearing with Rough Surfaces Lubricated by a Rotem-Shinnar Fluid

Publié en ligne: 07 mars 2016

Pages: 50 - 55

Reçu: 13 juin 2014

Accepté: 23 févr. 2016

DOI: https://doi.org/10.1515/ama-2016-0009

Mots clésPseudo-Plastic Fluid, Rotem-Shinnar Model, Thrust Bearing, Porous Layer, Christensen Roughness

© 2016 Bialystok University of Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Mots clés
Pseudo-Plastic Fluid, Rotem-Shinnar Model, Thrust Bearing, Porous Layer, Christensen Roughness