Lagrangian Statistics and Temporal Intermittency in a Shell Model of Turbulence

Details Lagrangian Statistics and Temporal Intermittency in a Shell Model of Turbulence Lagrangian Statistics and Temporal Intermittency in a Shell Model of Turbulence

2002-07-16

arxiv.org/abs/nlin/0207029v1

Nonlinear Sciences

Chaotic Dynamics

4 pages, 5 figures

Scientific paper

10.1103/PhysRevE.66.066307

We study the statistics of single particle Lagrangian velocity in a shell model of turbulence. We show that the small scale velocity fluctuations are intermittent, with scaling exponents connected to the Eulerian structure function scaling exponents. The observed reduced scaling range is interpreted as a manifestation of the intermediate dissipative range, as it disappears in a Gaussian model of turbulence.

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