The effect of surface roughness on elastohydrodynamically lubricated point contact

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Abstract

A theoretical study of surface roughness effects on the elastohydrodynamically lubricated point contact is presented.The analysis is based on a Reynolds equation modified through flow factors determined bythe statistical properties of the surface topography.An improved elastic deformation calculation is incorporated into the EHL numericalscheme.This revised numerical technique is used to get the complete solution for the rough elastohydrodynamic point contact, whichtakes account of side leakage.The system that has been investigated is an isothermal, Newtonian fluid with Roelands viscosity entrained in pure rolling.Results arepresenteddemonstrating the effect of surface roughness parameters on film shape, pressure distribution, and rolling friction in aball bearing.

Original languageEnglish
Pages (from-to)531-538
Number of pages8
JournalASLE Transactions
Volume30
Issue number4
DOIs
Publication statusPublished - 1986 Jan 1

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

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