Two-particle stochastic Eulerian–Lagrangian models of turbulent dispersion

K.K. Sabelfeld and O. Kurbanmuradov

Mathematics and Computers in Simulation (MATCOM), 1998, vol. 47, issue 2, 429-440

Abstract: A two-particle stochastic model of turbulent dispersion in the classical isotropic pseudoturbulence is suggested. The main idea is to describe the relative motion of two particles in small scales by a stochastic differential equation, while the dispersion in large scales is governed by the Eulerian stochastic model. This leads to the nice property of the new model: in small scales it describes properly the Richardson cubic law, and at large scales it approximates well the “two-to-one” reduction principle.

Keywords: Langrangian and Eulerian stochastic models; Turbulent dispersion; Richardson's cubic rule (search for similar items in EconPapers)
Date: 1998
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Persistent link: https://EconPapers.repec.org/RePEc:eee:matcom:v:47:y:1998:i:2:p:429-440

DOI: 10.1016/S0378-4754(98)00124-4

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