Reviews of topical problems

Reconstruction of streamline topology, and percolation models of turbulent transport

Institute ofTokamak Physics, National Research Centre Kurchatov Institute, pl. akad. Kurchatova 1, Moscow, 123182, Russian Federation

This paper discusses in detail the percolation models of turbulent diffusion that help to establish nontrivial relationships between theoretical concepts used in turbulence, dynamical systems, transport, etc. theories. This approach is particularly important due to the need to describe turbulence in the presence of coherent structures, streamline reconstructions, and drift and dissipation effects. In such regimes the conventional quasilinear description is inconsistent with experimental results, necessitating the search for fundamentally new models and approaches. Most attention is given to the scaling concept, an important and widely used tool among theoreticians and experimentalists.

Fulltext is available at IOP
PACS: 05.40.−a, 47.27.T−, 47.53.+n (all)
DOI: 10.3367/UFNe.0183.201303b.0257
Citation: Bakunin O G "Reconstruction of streamline topology, and percolation models of turbulent transport" Phys. Usp. 56 243–260 (2013)
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Received: 2nd, February 2012, revised: 27th, May 2012, 2nd, June 2012

:    «   » 183 257–276 (2013); DOI: 10.3367/UFNr.0183.201303b.0257

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