• Aucun résultat trouvé

A numerical investigation of both thermal andtexturing surface effects on the journal bearingsstatic characteristics

N/A
N/A
Protected

Academic year: 2021

Partager "A numerical investigation of both thermal andtexturing surface effects on the journal bearingsstatic characteristics"

Copied!
1
0
0

Texte intégral

(1)

Tribology International

Volume 90, 2015, Pages 228-239

A numerical investigation of both thermal and texturing surface effects on the journal bearings

static characteristics

Nacer Tala-Ighil, Michel FILLON

Abstract: Journal bearing characteristics modellization has been investigated in this paper for both cases of texture presence or absence onto the bearing surface. The thermal effect has been studied. The used numerical approach in this analysis is finite difference method. The textured bearing performance enhancement passes essentially by a minimum film thickness and a friction torque improvement through an appropriate surface texture geometry and right texture distribution on the bearing surface. It is found that the simulations results are in good concordance with those issued from the literature. The obtained results by considering the temperature effect are more realistic.

Keywords : Journal bearings, Reynolds equation, Hydrodynamic lubrication, Stribeck curve, texture

Centre de Recherche en Technologies Industrielles - CRTI - www.crti.dz

Powered by TCPDF (www.tcpdf.org)

Références

Documents relatifs

The textured bearing performance enhancement passes essentially by a minimum film thickness and a friction torque improvement through an appropriate surface texture geometry and

Improving performance of textured bearing with spherical dimples suggest that contact characteristics such as minimum film thickness, maximum pressure, and friction torque may

The results obtained show that the mostimportant characteristics of the contact like minimal film thickness, maximal pressure,axial fluid flow and friction torque can be

Texturing the contact inlet region (cases 10 to 12) has a modest and negative effect on the bearing performances; + 0.1% for the maximum pressure, -0.2% for the film thickness and no

The textured bearingperformance enhancement passes essentially by a minimum film thickness and a friction torque improvement through anappropriate surface texture geometry and

The variations in the bearing static characteristics (load capacity, maximum hydrodynamic pressure, friction torque, axial film flow, attitude angle, and the energy dissipated in

The textured bearing performance enhancement passes essentially by an improvement of aminimum film thickness, a maximum pressure and a friction torque through an appropriate

The results from investigating the performanceof bearing surfaces with spherical dimple textures suggest that contact characteristics such as minimumfilm thickness, maximum