The partially wetted bearing-extended Reynolds equation

Wang Long Li, Hsiao Ming Chu, Ming Da Chen

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)

Abstract

The artificial no-slip boundary conditions on the liquid/solid interfaces are traditionally used widely. Due to the advances on the measurement technique and interface sciences, the applications of no-slip boundary conditions on micro-systems are challenged continuously. The 'slip effects' are observed in small clearance measurement or by treating the surfaces hydrophobic. The non-Newtonian power-law fluid as well as the Navier-slip boundary conditions is considered in the partially wetted bearings. A perturbation technique is utilized to derive the extended Reynolds equations. The analysis applied either to Couette-dominated highly non-Newtonian fluids, or to Newtonian fluids with arbitrary Couette-Poiseuille components. Finally, the effects of slip parameters on the bearing performances are discussed.

Original languageEnglish
Pages (from-to)1428-1435
Number of pages8
JournalTribology International
Volume39
Issue number11
DOIs
Publication statusPublished - 2006 Nov

All Science Journal Classification (ASJC) codes

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

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