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Percolation models of turbulent transport and scaling estimates

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  • Bakunin, O.G.

Abstract

The variety of forms of turbulent transport requires not only special description methods, but also an analysis of general mechanisms. One such mechanism is the percolation transport. The percolation approach is based on fractality and scaling ideas. It is possible to explain the anomalous transport in two-dimensional random flow in terms of the percolation threshold. The percolation approach looks very attractive because it gives simple and, at same time, universal model of the behavior related to the strong correlation effects. In the present paper we concentrate our attention on scaling arguments that play the very important role in estimation of transport effects. We discuss the united approach to obtain the renormalization condition of the small parameter, which is responsible for the analytical description of the system near the percolation threshold. Both monoscale and multiscale models are treated. We consider the steady case, time-dependent perturbations, the influence of drift effects, the percolation transport in a stochastic magnetic field, and compressibility effects.

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  • Bakunin, O.G., 2005. "Percolation models of turbulent transport and scaling estimates," Chaos, Solitons & Fractals, Elsevier, vol. 23(5), pages 1703-1731.
    • Handle: RePEc:eee:chsofr:v:23:y:2005:i:5:p:1703-1731
    DOI: 10.1016/j.chaos.2004.07.001
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    Cited by:

    1. He, Ji-Huan, 2006. "Application of E-infinity theory to turbulence," Chaos, Solitons & Fractals, Elsevier, vol. 30(2), pages 506-511.

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