Diffusion of a deformable body in a random flow

G. Frenkel, M. Schwartz

Research output: Contribution to journalArticlepeer-review

Abstract

We consider a deformable body immersed in an incompressible liquid that is randomly stirred. Sticking to physical situations in which the body departs only slightly from its spherical shape, we calculate the diffusion constant of the body. We give explicitly the dependence of the diffusion constant on the velocity correlations in the liquid and on the size of the body. We emphasize the particular case in which the random velocity field follows from thermal agitation.

Original languageEnglish
Pages (from-to)278-284
Number of pages7
JournalPhysica A: Statistical Mechanics and its Applications
Volume298
Issue number3-4
DOIs
StatePublished - 15 Sep 2001

Keywords

  • Deformable body
  • Deformation
  • Drop diffusion
  • Noise
  • Size effect

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