Parametric Description of the Stationary Helical Vortex in a Hydrodynamic Vortex Chamber

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Abstract

A swirling flow in a tangential-type hydrodynamic chamber with stationary vortex structures is experimentally investigated. The main attention is paid to determining the geometric and kinematic parameters necessary for a correct description of helical vortices and their spatial structure, in particular, to testing the possibility of a theoretical description of the limiting case where the vortex becomes stationary, i.e., its rotation frequency (or precession frequency) vanishes. It is shown that the theory of helical vortices ensures a sufficiently accurate prediction of conditions for the appearance of their stationary (motionless) states.

Original languageEnglish
Pages (from-to)359-367
Number of pages9
JournalJournal of Applied Mechanics and Technical Physics
Volume61
Issue number3
DOIs
Publication statusPublished - 1 May 2020

Keywords

  • helical vortex
  • parametric description
  • vortex chamber
  • vortex dynamics

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