A numerical approach for the analysis of deformable journal bearings

This paper presents a numerical approach for the analysis of hydrodynamic radial journal bearings. The effect of shaft and housing elastic deformation on pressure distribution within oil film is investigated. An iterative algorithm that couples Reynolds equation with a plane finite elements structur...

Full description

Bibliographic Details
Main Authors: D. Benasciutti, M. Gallina, M. Gh. Munteanu, F. Flumian
Format: Article
Language:English
Published: Gruppo Italiano Frattura 2012-07-01
Series:Frattura ed Integrità Strutturale
Subjects:
Online Access:http://www.gruppofrattura.it/pdf/rivista/numero21/numero_21_art_5.pdf
id doaj-e635e9b7ad6b477b8768132dabe63877
record_format Article
spelling doaj-e635e9b7ad6b477b8768132dabe638772020-11-25T00:15:35ZengGruppo Italiano FratturaFrattura ed Integrità Strutturale1971-89932012-07-016213745A numerical approach for the analysis of deformable journal bearings D. BenasciuttiM. GallinaM. Gh. MunteanuF. FlumianThis paper presents a numerical approach for the analysis of hydrodynamic radial journal bearings. The effect of shaft and housing elastic deformation on pressure distribution within oil film is investigated. An iterative algorithm that couples Reynolds equation with a plane finite elements structural model is solved. Temperature and pressure effects on viscosity are also included with the Vogel-Barus model. The deformed lubrication gap and the overall stress state were calculated. Numerical results are presented with reference to a typical journal bearing configuration at two different inlet oil temperatures. Obtained results show the great influence of elastic deformation of bearing components on oil pressure distribution, compared with results for ideally rigid components obtained by Raimondi and Boyd solution.http://www.gruppofrattura.it/pdf/rivista/numero21/numero_21_art_5.pdfJournal bearingFinite elementsDeformationLubrication
collection DOAJ
language English
format Article
sources DOAJ
author D. Benasciutti
M. Gallina
M. Gh. Munteanu
F. Flumian
spellingShingle D. Benasciutti
M. Gallina
M. Gh. Munteanu
F. Flumian
A numerical approach for the analysis of deformable journal bearings
Frattura ed Integrità Strutturale
Journal bearing
Finite elements
Deformation
Lubrication
author_facet D. Benasciutti
M. Gallina
M. Gh. Munteanu
F. Flumian
author_sort D. Benasciutti
title A numerical approach for the analysis of deformable journal bearings
title_short A numerical approach for the analysis of deformable journal bearings
title_full A numerical approach for the analysis of deformable journal bearings
title_fullStr A numerical approach for the analysis of deformable journal bearings
title_full_unstemmed A numerical approach for the analysis of deformable journal bearings
title_sort numerical approach for the analysis of deformable journal bearings
publisher Gruppo Italiano Frattura
series Frattura ed Integrità Strutturale
issn 1971-8993
publishDate 2012-07-01
description This paper presents a numerical approach for the analysis of hydrodynamic radial journal bearings. The effect of shaft and housing elastic deformation on pressure distribution within oil film is investigated. An iterative algorithm that couples Reynolds equation with a plane finite elements structural model is solved. Temperature and pressure effects on viscosity are also included with the Vogel-Barus model. The deformed lubrication gap and the overall stress state were calculated. Numerical results are presented with reference to a typical journal bearing configuration at two different inlet oil temperatures. Obtained results show the great influence of elastic deformation of bearing components on oil pressure distribution, compared with results for ideally rigid components obtained by Raimondi and Boyd solution.
topic Journal bearing
Finite elements
Deformation
Lubrication
url http://www.gruppofrattura.it/pdf/rivista/numero21/numero_21_art_5.pdf
work_keys_str_mv AT dbenasciutti anumericalapproachfortheanalysisofdeformablejournalbearings
AT mgallina anumericalapproachfortheanalysisofdeformablejournalbearings
AT mghmunteanu anumericalapproachfortheanalysisofdeformablejournalbearings
AT fflumian anumericalapproachfortheanalysisofdeformablejournalbearings
AT dbenasciutti numericalapproachfortheanalysisofdeformablejournalbearings
AT mgallina numericalapproachfortheanalysisofdeformablejournalbearings
AT mghmunteanu numericalapproachfortheanalysisofdeformablejournalbearings
AT fflumian numericalapproachfortheanalysisofdeformablejournalbearings
_version_ 1725386107829354496