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A study of two lubricated contacts in a radial piston hydraulic motor
Mid Sweden University, Faculty of Science, Technology and Media, Department of Engineering, Physics and Mathematics.
Responsible organisation
2003 (English)In: The Eighth Scandinavian International Conference on Fluid Power, Proceedings of the conference, Vol 2.: SICFP'03, May 7-9, Tampere, Finland (2003), Tampere: Tampere techn. University , 2003, 931-936 p.Conference paper, (Other academic)
Abstract [en]

The aim of this study is to analyse two sliding contacts in a radial piston hydraulic motor and study their influence on the leakage and power losses. By the use of commercially available FEM software package the losses in the two contacts, the distributor valve and the piston cam-roller contact, are estimated by simulation and related to experimentally measured losses of the motor under different operating conditions. The estimated losses from the two contacts can not explain the total losses and seems also to be a smaller part of the total losses. As long as full film lubrication is present the power losses from the two studied contacts appears to be relatively small. The hydrostatic balancing effect contributes mostly to the external leakage in the piston cam-roller contact. Measured leakage dependency of speed can be related to the piston cam-roller contacts in the motor. At low speed and high load the piston cam-roller contact might enter mix lubrication regime.

Place, publisher, year, edition, pages
Tampere: Tampere techn. University , 2003. 931-936 p.
Keyword [en]
Radial piston hydraulic motor, Simulation, Power loss, Leakage
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:miun:diva-1438Local ID: 1176ISBN: 952-15-0972-4 (print)OAI: oai:DiVA.org:miun-1438DiVA: diva2:26470
Available from: 2008-09-30 Created: 2008-09-30 Last updated: 2011-05-29Bibliographically approved

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • text
  • asciidoc
  • rtf