Particle diffusion on a three-dimensional random sea

J. Buick, I. Morrison, T.S. Durrani, C. Greated

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Abstract

The diffusion of particles on a random sea surface, due to the random fluctuations of the Stokes drift velocity, is examined. Experimental results are presented for the diffusion of particle pairs on the surface of a three-dimensional random sea with a Pierson-Moskowitz surface spectrum and a cos2 spreading function. The results show good agreement with theoretical predictions, particularly at low separations where other affects are negligible. Diffusion of surface particles in different sea states is also discussed.
Original languageEnglish
Pages (from-to)88-92
Number of pages4
JournalExperiments in Fluids
Volume30
Issue number1
DOIs
Publication statusPublished - Jan 2001

Keywords

  • water pollution
  • sea surface
  • surface diffusion
  • sea state
  • physical simulation
  • three dimensional system
  • drift velocity
  • fluctuations

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