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THD Analysis of Journal Bearings: A Finite Element Algorithm for Groove Mixing Conditions

[+] Author Affiliations
Fabrizio A. Stefani

University of Genoa, Genoa, Italy

Paper No. WTC2005-63853, pp. 535-536; 2 pages
doi:10.1115/WTC2005-63853
From:
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME

abstract

A finite element method of solving the mass and energy-conserving lubrication problem, including the energy balance in the feed grooves, is proposed. As mass continuity in the whole film is considered, cavitation is taken into account properly. Both a two-dimensional (2D) and a quasi-three-dimensional (3D) solution of the energy equation in the lubricant film have been adopted. Some results are presented for a two-axial groove journal bearing. The quasi-3D solution method (cross-film conduction included in the model) showed good agreement with experimental results and incurred low computational cost.

Copyright © 2005 by ASME

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