An analytical approach for analysis and optimisation of slider bearings with infinite width parallel textures

This paper introduces an analytical approach to study the textured surfaces in hydrodynamic lubrication regime. For this purpose, a method of integrating the Reynolds equation for slider bearings with surface discontinuities is presented. By introducing appropriate dimensionless parameters, analytic...

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Bibliographic Details
Main Authors: Ramin Rahmani, Iraj Mirzaee, Ayoub Shirvani, Hassan Shirvani
Format: Default Article
Published: 2010
Subjects:
Mechanical engineering not elsewhere classified
Surface texture
Slider bearings
Analytical method
Optimisation
Mechanical Engineering not elsewhere classified
Mechanical Engineering
Online Access:https://hdl.handle.net/2134/12903
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Summary:This paper introduces an analytical approach to study the textured surfaces in hydrodynamic lubrication regime. For this purpose, a method of integrating the Reynolds equation for slider bearings with surface discontinuities is presented. By introducing appropriate dimensionless parameters, analytical relations for various texture profiles in both indented and projected forms are delivered. These relations express the nature of mathematical dependence between textured bearing performance measures and geometrical/operational parameters. An optimisation procedure is employed to achieve the optimum texturing parameters promoting maximum load capacity, load capacity to lubricant flow rate ratio and minimum friction coefficient for asymmetric partially textured slider bearings.

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