An experimental and theoretical study of the effect of lip surface roughness on lubrication of radial lip seals

H. Mizuta, Joichi Sugimura

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The influence of lip surface microtopography on lubrication of radial lip seals is studied experimentally and numerically. In the experimental part, lip surface microtopography measured by laser scanning microscope is analyzed using conventional surface profile parameters. Seven surface profile parameters of two seals made of different lip material are estimated and they are compared with the coefficient of friction. It is shown that the seal, which has a larger root mean square (rms) roughness, longer correlation distance and smaller mean peak curvature in the direction of sliding, shows low friction. Based on the experimental results, numerical analysis of hydrodynamic flow at the lip is conducted with a simple sinusoidal wave as a lip surface asperity model. The effects of amplitude, wavelength and peak curvature on the elastohydrodynamic lubrication are investigated respectively. It is demonstrated numerically that seals which had larger rms roughness, longer correlation distance and smaller mean peak curvature shows lower coefficient of friction.

Original languageEnglish
Title of host publicationBHR Group - 21st International Conference on Fluid Sealing
Pages193-205
Number of pages13
Publication statusPublished - 2011
Event21st International Conference on Fluid Sealing - Milton Keynes, United Kingdom
Duration: Nov 30 2011Dec 1 2011

Other

Other21st International Conference on Fluid Sealing
CountryUnited Kingdom
CityMilton Keynes
Period11/30/1112/1/11

Fingerprint

theoretical study
surface roughness
experimental study
curvature
microtopography
friction
roughness
asperity
sliding
laser
hydrodynamics
effect
wavelength
parameter

All Science Journal Classification (ASJC) codes

  • Earth and Planetary Sciences (miscellaneous)

Cite this

Mizuta, H., & Sugimura, J. (2011). An experimental and theoretical study of the effect of lip surface roughness on lubrication of radial lip seals. In BHR Group - 21st International Conference on Fluid Sealing (pp. 193-205)

An experimental and theoretical study of the effect of lip surface roughness on lubrication of radial lip seals. / Mizuta, H.; Sugimura, Joichi.

BHR Group - 21st International Conference on Fluid Sealing. 2011. p. 193-205.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Mizuta, H & Sugimura, J 2011, An experimental and theoretical study of the effect of lip surface roughness on lubrication of radial lip seals. in BHR Group - 21st International Conference on Fluid Sealing. pp. 193-205, 21st International Conference on Fluid Sealing, Milton Keynes, United Kingdom, 11/30/11.
Mizuta H, Sugimura J. An experimental and theoretical study of the effect of lip surface roughness on lubrication of radial lip seals. In BHR Group - 21st International Conference on Fluid Sealing. 2011. p. 193-205
Mizuta, H. ; Sugimura, Joichi. / An experimental and theoretical study of the effect of lip surface roughness on lubrication of radial lip seals. BHR Group - 21st International Conference on Fluid Sealing. 2011. pp. 193-205
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