Abstract
Averaged equations describing the turbulent diffusion of a chemically active admixture in coordinates tied to the instantaneous values of the concentration of another passive admixture are obtained. The results can be readily extended to the case of an arbitrary number of different chemically active admixtures. An advantage of this approach is the separation of the scales of the fluctuating and average motions, which makes the proposed average diffusion relations applicable even at times on the inertial interval.
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 3, pp. 3–10, May–June, 1990.
The author is grateful to A. B. Vatazhin and V. R. Kuznetsov for useful discussions.
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Klimenko, A.Y. Multicomponent diffusion of various admixtures in turbulent flow. Fluid Dyn 25, 327–334 (1990). https://doi.org/10.1007/BF01049811
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DOI: https://doi.org/10.1007/BF01049811