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Percolation transport in random flows with weak dissipation effects

Author

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  • Bakunin, O.G.

Abstract

In the present paper, we consider the influence of weak dissipative effects on the passive scalar behavior in the framework of continuum percolation approach. The renormalization method of a small parameter in continuum percolation models is reviewed. It is shown that there is a characteristic velocity scale, which corresponds to the dissipative process. The modification of the renormalization condition of the small percolation parameter is suggested in accordance with additional external influences superimposed on the system. In the framework of mean-field arguments, the balance of correlation scales is considered. This gives the characteristic time that corresponds to the percolation regime. The expression for the effective coefficient of diffusion is obtained.

Suggested Citation

  • Bakunin, O.G., 2005. "Percolation transport in random flows with weak dissipation effects," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 345(1), pages 1-8.
    • Handle: RePEc:eee:phsmap:v:345:y:2005:i:1:p:1-8
    DOI: 10.1016/j.physa.2004.07.007
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