Optimization of Textured Surface in 2D Parallel Bearings Governed by the Reynolds Equation Including Cavitation and Temperature

One-dimensional textured parallel bearings have been successfully optimized for the maximum load capacity or the minimum friction coefficient using a unified computational approach. However, there is no efficient approach allowing for the optimization of two-dimensional (2D) bearings. The work condu...

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Autores principales:	Agata Guzek, Pawel Podsiadlo, Gwidon W. Stachowiak
Formato:	article
Lenguaje:	EN
Publicado:	Japanese Society of Tribologists 2013
Materias:	hydrodynamic bearings surface texture geometric shapes shape optimization Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/d349d08517fb4ea7852f12453b25f9d7
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spelling	oai:doaj.org-article:d349d08517fb4ea7852f12453b25f9d72021-11-05T09:24:31ZOptimization of Textured Surface in 2D Parallel Bearings Governed by the Reynolds Equation Including Cavitation and Temperature1881-219810.2474/trol.8.7https://doaj.org/article/d349d08517fb4ea7852f12453b25f9d72013-01-01T00:00:00Zhttps://www.jstage.jst.go.jp/article/trol/8/1/8_7/_pdf/-char/enhttps://doaj.org/toc/1881-2198One-dimensional textured parallel bearings have been successfully optimized for the maximum load capacity or the minimum friction coefficient using a unified computational approach. However, there is no efficient approach allowing for the optimization of two-dimensional (2D) bearings. The work conducted is, in most cases, by “trial and error”, i.e. changes are introduced and their effects studied, either experimentally or through numerical parametric studies. This is time consuming and costly. In this paper, a uniform approach to the optimization of surface textures in 2D bearings, based on nonlinear programming routines, is proposed. The approach aims at finding the optimal textured surfaces that support the maximum load and/or minimize friction coefficient. Examples of parallel hydrodynamic bearings with surfaces textured by rectangular or elliptical dimples and governed by Reynolds equations, considering mass-conserving cavitation and decrease in viscosity due to temperature change are optimized. Results of the optimization are comparable to those obtained using an exhaustive search and found in literature.Agata GuzekPawel PodsiadloGwidon W. StachowiakJapanese Society of Tribologistsarticlehydrodynamic bearingssurface texturegeometric shapesshape optimizationPhysicsQC1-999Engineering (General). Civil engineering (General)TA1-2040Mechanical engineering and machineryTJ1-1570ChemistryQD1-999ENTribology Online, Vol 8, Iss 1, Pp 7-21 (2013)
institution	DOAJ
collection	DOAJ
language	EN
topic	hydrodynamic bearings surface texture geometric shapes shape optimization Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999
spellingShingle	hydrodynamic bearings surface texture geometric shapes shape optimization Physics QC1-999 Engineering (General). Civil engineering (General) TA1-2040 Mechanical engineering and machinery TJ1-1570 Chemistry QD1-999 Agata Guzek Pawel Podsiadlo Gwidon W. Stachowiak Optimization of Textured Surface in 2D Parallel Bearings Governed by the Reynolds Equation Including Cavitation and Temperature
description	One-dimensional textured parallel bearings have been successfully optimized for the maximum load capacity or the minimum friction coefficient using a unified computational approach. However, there is no efficient approach allowing for the optimization of two-dimensional (2D) bearings. The work conducted is, in most cases, by “trial and error”, i.e. changes are introduced and their effects studied, either experimentally or through numerical parametric studies. This is time consuming and costly. In this paper, a uniform approach to the optimization of surface textures in 2D bearings, based on nonlinear programming routines, is proposed. The approach aims at finding the optimal textured surfaces that support the maximum load and/or minimize friction coefficient. Examples of parallel hydrodynamic bearings with surfaces textured by rectangular or elliptical dimples and governed by Reynolds equations, considering mass-conserving cavitation and decrease in viscosity due to temperature change are optimized. Results of the optimization are comparable to those obtained using an exhaustive search and found in literature.
format	article
author	Agata Guzek Pawel Podsiadlo Gwidon W. Stachowiak
author_facet	Agata Guzek Pawel Podsiadlo Gwidon W. Stachowiak
author_sort	Agata Guzek
title	Optimization of Textured Surface in 2D Parallel Bearings Governed by the Reynolds Equation Including Cavitation and Temperature
title_short	Optimization of Textured Surface in 2D Parallel Bearings Governed by the Reynolds Equation Including Cavitation and Temperature
title_full	Optimization of Textured Surface in 2D Parallel Bearings Governed by the Reynolds Equation Including Cavitation and Temperature
title_fullStr	Optimization of Textured Surface in 2D Parallel Bearings Governed by the Reynolds Equation Including Cavitation and Temperature
title_full_unstemmed	Optimization of Textured Surface in 2D Parallel Bearings Governed by the Reynolds Equation Including Cavitation and Temperature
title_sort	optimization of textured surface in 2d parallel bearings governed by the reynolds equation including cavitation and temperature
publisher	Japanese Society of Tribologists
publishDate	2013
url	https://doaj.org/article/d349d08517fb4ea7852f12453b25f9d7
work_keys_str_mv	AT agataguzek optimizationoftexturedsurfacein2dparallelbearingsgovernedbythereynoldsequationincludingcavitationandtemperature AT pawelpodsiadlo optimizationoftexturedsurfacein2dparallelbearingsgovernedbythereynoldsequationincludingcavitationandtemperature AT gwidonwstachowiak optimizationoftexturedsurfacein2dparallelbearingsgovernedbythereynoldsequationincludingcavitationandtemperature
_version_	1718444378303758336

Optimization of Textured Surface in 2D Parallel Bearings Governed by the Reynolds Equation Including Cavitation and Temperature

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