An experimental study of the lubrication theory for highly compressible porous media, with and without lateral leakage

Zenghao Zhu, Rungun Nathan, Qianhong Wu

Research output: Contribution to journalArticle

4 Scopus citations

Abstract

In this paper, we report a comprehensive, experimental study to examine the lubrication theory for highly compressible porous media. It is inspired by the frictionless motion of red cells in a tightly fitting capillary and a human skiing/snowboarding. A novel experimental setup was developed where lubrication pressure generated in a soft porous layer was measured as planar board glides over it. Both laterally confined (1-D) and unconfined (2-D) situations were examined. The results excellently agree with the theory by Feng & Weinbaum (J. Fluid Mech. 422 (2000), pp. 281–317) and Wu & Sun (Med. Sci. Sports Exerc. 43 (2011), pp. 1955–1963). The paper demonstrates the significant potential of applying soft porous media in lubrication with tremendously enhanced hydrodynamic lift.

Original languageEnglish (US)
Pages (from-to)324-332
Number of pages9
JournalTribology International
Volume127
DOIs
StatePublished - Nov 2018

All Science Journal Classification (ASJC) codes

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

Fingerprint Dive into the research topics of 'An experimental study of the lubrication theory for highly compressible porous media, with and without lateral leakage'. Together they form a unique fingerprint.

  • Cite this