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Thermal Effects in Slider Bearings With Limited Corrugation and Power-Law Lubricant

[+] Author Affiliations
B. P. Huynh

University of Technology, Sydney, Sydney, NSW, Australia

Paper No. IMECE2012-87597, pp. 1117-1121; 5 pages
  • ASME 2012 International Mechanical Engineering Congress and Exposition
  • Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D
  • Houston, Texas, USA, November 9–15, 2012
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4523-3
  • Copyright © 2012 by ASME


Influence of temperature on the performance of slider bearings of infinite width but having corrugation of limited extent is investigated numerically, using a commercial Computational Fluid Dynamics (CFD) software package. Lubricant is assumed to be a fluid of power-law type with temperature-dependent viscosity. Over a range of the power-law index, combined effects of temperature and the corrugated section’s location on load-supporting capacity Fy of the bearing’s fluid film are considered. Influence of the bearing-gap surfaces’ thermal boundary condition is also examined. Compared with isothermal situation, thermal effects result in significant reduction in Fy, especially with shear-thickening lubricants. This reduction in Fy is also affected significantly by the corrugated section’s location.

Copyright © 2012 by ASME



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