Experimental comparison of the transition speed of a hydrodynamic journal bearing lubricated with oil and magnetorheological fluid

G. H.G. van der Meer*, F. Quinci, W. Litwin, M. Wodtke, R. A.J. van Ostayen

*Corresponding author for this work

Research output: Contribution to journalArticleScientificpeer-review

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Abstract

A journal bearing test bench is used to find the transition speed between the hydrodynamic and mixed lubrication regimes for a modified magnetorheological (MR) fluid. It is shown that the transition speed of the bearing can be reduced by applying a local magnetic field near minimum film when it is lubricated with the MR fluid, and that this will only marginally increase friction. The lubricating performance of the MR fluid is compared to that of a reference oil, and all experimental results are compared with a Finite Element model based on the Reynolds equation.

Original languageEnglish
Article number108976
Number of pages10
JournalTribology International
Volume189
DOIs
Publication statusPublished - 2023

Keywords

  • Finite Element Method
  • Friction
  • Magnetorheological lubrication
  • Stribeck curve

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