Anomalous flows of passive admixture in helical turbulence
- 1 September 1998
- journal article
- research article
- Published by Taylor & Francis in Geophysical & Astrophysical Fluid Dynamics
- Vol. 88 (1) , 187-213
- https://doi.org/10.1080/03091929808245473
Abstract
An equation is obtained which describes the evolution of the average concentration of passive admixture in isotropic reflectionally noninvariant turbulence possessing mean velocity. It is shown that in such turbulence an anomalous convective flow appears which is of the same order in time scales as the turbulent diffusion. Natural physical cases are considered, when the direction of the anomalous convective flow is perpendicular to the direction of the mean velocity.Keywords
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