Journal of Hydrodynamics

, Volume 25, Issue 2, pp 236–241 | Cite as

Simulation and experimental analysis of supporting characteristics of multiple oil pad hydrostatic bearing disk

  • Yan-qin Zhang (张艳芹)Email author
  • Li-guo Fan (范立国)
  • Rui Li (李锐)
  • Chun-xi Dai (戴春喜)
  • Xiao-dong Yu (于晓东)


To study the heavy hydrostatic bearing with multiple oil pads, a reasonably simplified model of the pad is put forward, and the mathematical model of the bearing characteristics of the multiple oil pad hydrostatic bearing is built with consideration of variable viscosity. The pressure field in the clearance oil film of the hydrostatic bearing at various velocities is simulated based on the Finite Volume Method (FVM) by using the software of Computational Fluid Dynamics (CFD). Some pressure experiments on the hydrostatic bearing were carried out and the results verified the rationality of the simplified model of the pad and the validity of the numerical simulation. It is concluded that the viscosity has a great influence on the pressure in the heavy hydrostatic bearing and cannot be neglected, especially, in cases of high rotating speed. The results of numerical calculations provide the internal flow states inside the bearing, which would help the design of the oil cavity structure of the bearing in engineering practice.

Key words

hydrostatic bearing oil pad supporting characteristics Finite Volume Method (FVM) 


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Copyright information

© China Ship Scientific Research Center 2013

Authors and Affiliations

  • Yan-qin Zhang (张艳芹)
    • 1
    Email author
  • Li-guo Fan (范立国)
    • 1
  • Rui Li (李锐)
    • 1
  • Chun-xi Dai (戴春喜)
    • 1
  • Xiao-dong Yu (于晓东)
    • 1
  1. 1.College of Mechanical and Power EngineeringHarbin University of Science and TechnologyHarbinChina

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