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Surface spiral waves in a filamentary vortex

Vivanco1, Melo

  • 1Departamento de Fisica de la Universidad de Santiago de Chile, Avenida Ecuador 3493, Casilla 307 Correo 2, Santiago-Chile.

Physical Review Letters
|September 6, 2000
PubMed
Summary

Spiral surface waves from vertical vortices were studied. Their wave arms are linked to circulation flux, similar to electron scattering in the Aharonov-Bohm effect, revealing wave front dislocation properties.

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Area of Science:

  • Fluid dynamics
  • Wave phenomena

Background:

  • Vortices generate complex wave patterns.
  • The Aharonov-Bohm effect demonstrates wave scattering properties.

Purpose of the Study:

  • To experimentally investigate spiral surface waves from vertical vortices.
  • To explore the relationship between wave structure and vortex circulation.

Main Methods:

  • Experimental observation of spiral surface waves.
  • Analysis of wave arm number and circulation flux.

Main Results:

  • The number of spiral wave arms correlates with circulation flux.
  • This phenomenon mirrors electron wave scattering in the Aharonov-Bohm effect.
  • Identified a link between circulation flux and wave front dislocations.

Conclusions:

  • Spiral surface wave characteristics are determined by vortex circulation.
  • Wave front dislocations are quantifiable through circulation flux.

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