Russian Aeronautics

, Volume 61, Issue 3, pp 319–324 | Cite as

Analysis of a Lubrication Fluid Flow in the Leak-Proof Pump Electric Motor

  • D. V. Knyazev
  • V. N. RazhikovEmail author
  • K. N. Shcheglov
Aircraft Equipment


Steady-state flow of viscous lubrication fluid in the nonsymmetrical clearance between two out-of-line cylinders of the bearing unit in the aircraft electric motor is discussed. An analytical solution of the task based on application of the perturbation theory is presented.


bearing unit hydrodynamic theory of lubrication analytical solution small parameter expansion 


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Copyright information

© Allerton Press, Inc. 2018

Authors and Affiliations

  • D. V. Knyazev
    • 1
  • V. N. Razhikov
    • 2
    Email author
  • K. N. Shcheglov
    • 2
  1. 1.Institute of Continuous Media MechanicsUral Branch of the Russian Academy of SciencesPermRussia
  2. 2.Ustinov Baltic State Technical University “Voenmekh”St. PetersburgRussia

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