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Features of diffusion of an incident particle

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Abstract

Mechanisms of turbulent diffusion of particles moving in a turbulent medium under the action of gravity and Stokes forces are studied. It is observed that the velocity variance of particles decreases upon an increase in the inertia of the motion. At the same time, the diffusion coefficients of a particle are independent of its inertia. It is shown that, as the velocity of incidence increases, diffusion in the vertical plane becomes stronger than in the horizontal plane, and the ratio of the horizontal and vertical diffusion coefficients decreases to 1: 2.

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Authors and Affiliations

  1. Nizhnii Novgorod State University, Nizhnii Novgorod, 603950, Russia

    E. Z. Gribova, I. S. Zhukova, S. A. Lapinova, A. I. Saichev & T. Elperin

Authors
  1. E. Z. Gribova
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  2. I. S. Zhukova
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  3. S. A. Lapinova
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  4. A. I. Saichev
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  5. T. Elperin
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Additional information

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Translated from Zhurnal Éksperimental’no\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) i Teoretichesko\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\) Fiziki, Vol. 123, No. 3, 2003, pp. 543–551.

Original Russian Text Copyright © 2003 by Gribova, Zhukova, Lapinova, Saichev, Elperin.

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Gribova, E.Z., Zhukova, I.S., Lapinova, S.A. et al. Features of diffusion of an incident particle. J. Exp. Theor. Phys. 96, 480–488 (2003). https://doi.org/10.1134/1.1567422

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  • DOI: https://doi.org/10.1134/1.1567422

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