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Regular version of the site

Article

Passive scalar in a large-scale velocity field

Journal of Experimental and Theoretical Physics. 1999. Vol. 88. No. 3. P. 506-516.
Kolokolov I., Lebedev V., Stepanov M.
We consider advection of a passive scalar u (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 u and for the passive scalar difference u (r1)2u (r2) ~for separations r12r2 lying in the convective interval! are found.