Fractal dimension of superfluid turbulence

Demosthenes Kivotides, Carlo F. Barenghi, David C. Samuels

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Abstract

The fractal dimension of vortex tangles in superfluid turbulence at nonzero temperature was calculated. It was found that the dimension is larger than one. The clarity and exact definition of the vortex filaments in superfluid turbulence allowed to explore the geometry and the topology of the vorticity in a way which is not possible in classical turbulence.

Original languageEnglish
Article number155301
Pages (from-to)1-3
Number of pages3
JournalPhysical Review Letters
Volume87
Issue number15
DOIs
Publication statusPublished - 24 Sep 2001

Keywords

  • computer simulation
  • fractals
  • friction
  • kinematics
  • oscillations
  • turbulence
  • vortex flow
  • fluid velocity
  • superfluid turbulence
  • vortex line density
  • superfluid helium

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