Vortex Pair of Coaxial Helical Filaments

V. L. Okulov*

*Corresponding author for this work

Research output: Contribution to journalJournal articleResearchpeer-review

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Possible existence of vortex pairs of coaxially rotating helical filaments with circulation in the opposite directions is theoretically studied. Such pairs are generated, e.g., by a rotating blade of a rotor with identical strengths of the tip and root vortices. Conditions that ensure uniform rotation of the vortex pair of helical filaments are found, which is needed for modeling vortex wakes behind rotor blades.
Original languageEnglish
JournalJournal of Applied Mechanics and Technical Physics
Issue number3
Pages (from-to)343-349
Number of pages7
Publication statusPublished - 2020


  • Vortex dynamics
  • Helical vortex
  • Vortex pair
  • Equilibrium rotation


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