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Surface roughness effects on non-Newtonian MHD non-parallel squeeze film bearing
Industrial Lubrication and Tribology ( IF 1.5 ) Pub Date : 2020-07-29 , DOI: 10.1108/ilt-02-2020-0071
Mouhcine Mouda , Mohamed Nabhani , Mohamed El Khlifi

Purpose

The purpose of this paper is to examine the effect of surface roughness on the magneto-hydrodynamic (MHD) non-parallel squeeze film lubrication using non-Newtonian lubricant.

Design/methodology/approach

Based on the MHD thin film lubrication theory and the Stokes theory and homogenization method, the homogenized MHD Reynolds equation is derived considering the squeezing effect.

Findings

It is found that the obtained results indicate that the interaction among non-Newtonian, MHD and surface roughness influences is significant.

Originality/value

This study is original which compares the dimensionless load capacity and dimensionless response time among transverse, longitudinal and, for the first time, anisotropic surface roughness types under magneto-hydrodynamic non-Newtonian non-parallel squeeze film lubrication.

Peer review

The peer review history for this article is available at: https://publons.com/publon/10.1108/ILT-02-2020-0071/



中文翻译:

表面粗糙度对非牛顿MHD非平行挤压膜轴承的影响

目的

本文的目的是研究表面粗糙度对使用非牛顿润滑剂的磁流体动力学(MHD)非平行挤压膜润滑的影响。

设计/方法/方法

基于MHD薄膜润滑理论,斯托克斯理论和均质化方法,考虑了压缩效应,推导了均质化的MHD雷诺兹方程。

发现

发现所获得的结果表明非牛顿,MHD和表面粗糙度影响之间的相互作用是显着的。

创意/价值

这项研究是独创性的,在磁流体动力非牛顿非平行挤压膜润滑条件下,比较了横向,纵向和各向异性表面粗糙度类型之间的无量纲负载能力和无量纲响应时间。

同行评审

本文的同行评审历史记录可在以下网址获得:https://publons.com/publon/10.1108/ILT-02-2020-0071/

更新日期:2020-07-29
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