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Large-scale vortex generation driven by nonequilibrium turbulence

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Abstract

The development of large-scale perturbations in a heated layer of rotating fluid is studied within the framework of the nonequilibrium turbulence model with asymmetric Reynolds stress tensor. It is shown that, as in spiral turbulence, when there is no equilibrium on one of the boundaries of the layer large-scale structures develop. Conditions under which both perfect intrinsic matching of turbulence and convection and internal resonance development exist are determined. It is shown that the manifestation in a turbulent medium of properties of the convective vector field such as spirality may be caused by constraints imposed by the angular momentum conservation law.

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Authors
  1. Yu. A. Berezin
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  2. V. M. Trofimov
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Additional information

Novosibirsk. Translated from Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, No. 1, pp. 47–55, January–February, 1996.

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Berezin, Y.A., Trofimov, V.M. Large-scale vortex generation driven by nonequilibrium turbulence. Fluid Dyn 31, 39–46 (1996). https://doi.org/10.1007/BF02230745

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  • DOI: https://doi.org/10.1007/BF02230745

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