On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid model

On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid model

In this paper, a theoretical analysis of hydrodynamic plain journal bearings with finite length at taking into account the effect of non-Newtonian lubricants is presented. Based upon the Rabinowitsch fluid model (cubic stress constitutive equation) and by integrating the continuity equation across t...

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Main Authors: Javorova Juliana, Angelova Jordanka
Format: Article
Language:English
Published: EDP Sciences 2018-01-01
Series:MATEC Web of Conferences
Online Access:https://doi.org/10.1051/matecconf/201814503007
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spelling doaj-ff51819a314a45e1928c82f61bb5c57c2021-02-02T02:22:48ZengEDP SciencesMATEC Web of Conferences2261-236X2018-01-011450300710.1051/matecconf/201814503007matecconf_nctam2018_03007On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid modelJavorova JulianaAngelova JordankaIn this paper, a theoretical analysis of hydrodynamic plain journal bearings with finite length at taking into account the effect of non-Newtonian lubricants is presented. Based upon the Rabinowitsch fluid model (cubic stress constitutive equation) and by integrating the continuity equation across the film, the nonlinear modified 2D Reynolds type equation is derived in details so that to study the dilatant and pseudoplastic nature of the lubricant in comparison with Newtonian fluid. A dimensionless equation of hydrodynamic pressure distribution in a form appropriate for numerical modeling is also presented. Some particular cases of 1D applications can be recovered from the present derivation.https://doi.org/10.1051/matecconf/201814503007
collection DOAJ
language English
format Article
sources DOAJ
author Javorova Juliana
Angelova Jordanka
spellingShingle Javorova Juliana
Angelova Jordanka
On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid model
MATEC Web of Conferences
author_facet Javorova Juliana
Angelova Jordanka
author_sort Javorova Juliana
title On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid model
title_short On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid model
title_full On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid model
title_fullStr On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid model
title_full_unstemmed On the modified Reynolds equation for journal bearings in a case of non-Newtonian Rabinowitsch fluid model
title_sort on the modified reynolds equation for journal bearings in a case of non-newtonian rabinowitsch fluid model
publisher EDP Sciences
series MATEC Web of Conferences
issn 2261-236X
publishDate 2018-01-01
description In this paper, a theoretical analysis of hydrodynamic plain journal bearings with finite length at taking into account the effect of non-Newtonian lubricants is presented. Based upon the Rabinowitsch fluid model (cubic stress constitutive equation) and by integrating the continuity equation across the film, the nonlinear modified 2D Reynolds type equation is derived in details so that to study the dilatant and pseudoplastic nature of the lubricant in comparison with Newtonian fluid. A dimensionless equation of hydrodynamic pressure distribution in a form appropriate for numerical modeling is also presented. Some particular cases of 1D applications can be recovered from the present derivation.
url https://doi.org/10.1051/matecconf/201814503007
work_keys_str_mv AT javorovajuliana onthemodifiedreynoldsequationforjournalbearingsinacaseofnonnewtonianrabinowitschfluidmodel
AT angelovajordanka onthemodifiedreynoldsequationforjournalbearingsinacaseofnonnewtonianrabinowitschfluidmodel
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