Abstract
A model of shear turbulence is proposed in which transport equations are used for three flow chracteristics: the energy E, the friction stress — (u′v′), and the function F, whose dimensionality coincides with that of the quantity EmLn. Well-known equations are used for the first two quantities, while a special analysis is required to construct the third equation. The constants in the equations are determined by analyzing the flow behind a grid with constant shear and the behavior of the solutions in different flow regions in the channel. The results of a numerical solution for a flow in a channel are given, and the results are compared with the known experimental data.
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 3, pp. 13–25, May–June, 1978.
The authors thank V. M. Ievlev and the participants of the seminars run by G. N. Abramovich and G. A. Lyubimov for discussions of the work.
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Lushchik, V.G., Pavel'ev, A.A. & Yakubenko, A.E. Three-parameter model of shear turbulence. Fluid Dyn 13, 350–360 (1978). https://doi.org/10.1007/BF01050525
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DOI: https://doi.org/10.1007/BF01050525