W D McComb 1974 J. Phys. A: Math. Nucl. Gen. 7 L164 doi:10.1088/0305-4470/7/17/002
W D McComb
Show affiliationsA random-walk type of diffusion coefficient is shown to reduce to the classical, continuum result for turbulence, in the limit of long diffusion times. The analysis is carried out in a Lagrangian frame where the mean-square displacement may be calculated explicitly, and the frequency of such displacements obtained from the Rice-Kac theorem. The further problem of finding the random-walk diffusivity in terms of Eulerian variables is considered.
05.40.Fb Random walks and Levy flights
76F20 Dynamical systems approach to turbulence (See also 37-XX)
82B41 Random walks, random surfaces, lattice animals, etc. (See also 60G50, 82C41)
Issue 17 (21 November 1974)
W D McComb 1974 J. Phys. A: Math. Nucl. Gen. 7 L164
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