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Large-scale turbulence in a thin layer of nonisothermal rotating fluid

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Abstract

The dynamics of large-scale nonisothermal turbulence in a thin rotating layer of fluid are investigated. An hierarchical model, obtained by averaging the initial Boussinesq equations with respect to the vertical coordinates and subsequently projecting the two-dimensional equations onto a basis consisting of a system of axisymmetric spiral vortices of progressively decreasing scale, is proposed. It is shown that the presence of horizontal temperature inhomogeneities leads to a considerable increase in the turbulence decay time.

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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 4, pp. 48–55, July–August, 1988.

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Aristov, S.N., Erik, P.G. Large-scale turbulence in a thin layer of nonisothermal rotating fluid. Fluid Dyn 23, 522–528 (1988). https://doi.org/10.1007/BF01055074

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  • DOI: https://doi.org/10.1007/BF01055074

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