Multi-orifice active tilting-pad journal bearings—Harnessing of synergetic coupling effects

Martin Asger Haugaard, Ilmar Santos

Research output: Contribution to journalJournal articleResearchpeer-review


The dynamic performance of tilting-pad journal bearings with controllable radial oil injection is theoretically investigated, exploring the synergetic effect between passive elastohydrodynamics and active radial lubricant injection. The flexible tilting-pads are modelled as linearly elastic using finite elements. To reduce computational work, a pseudo modal reduction is applied. Curves of dynamic bearing coefficients as well as the corresponding phase-magnitude plots are presented. Strong synergy between elastohydrodynamics and active control is observed, in particular for bearings with injection orifices far from the pivot line.
Original languageEnglish
JournalTribology International
Pages (from-to)1374-1391
Publication statusPublished - 2010


  • Tilting-pad journalbearings
  • Elastohydrodynamics
  • Vibration
  • Control

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