Passive scalar in a large-scale velocity field
- 1 March 1999
- journal article
- Published by Pleiades Publishing Ltd in Journal of Experimental and Theoretical Physics
- Vol. 88 (3) , 506-516
- https://doi.org/10.1134/1.558821
Abstract
We consider advection of a passive scalar θ(t,r) by an incompressible large-scale turbulent flow. In the framework of the Kraichnan model all PDF’s (probability distribution functions) for the single-point statistics of θ and for the passive scalar difference θ(r1)−θ(r2) (for separations r1−r2 lying in the convective interval) are found.Keywords
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