Anisotropic spectra in two-dimensional turbulence on the surface of a rotating sphere

Huei Ping Huang; Boris Galperin; Semion Sukoriansky

doi:10.1063/1.1327594

Anisotropic spectra in two-dimensional turbulence on the surface of a rotating sphere

Huei Ping Huang, Boris Galperin, Semion Sukoriansky

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

99 Scopus citations

Abstract

The anisotropic characteristics of small-scale turbulence on the surface of a rotating sphere are described. Under strong rotation, a -5/3 slope prevails in other sectors far away from the zonal axis. This picture is consistent with the new flow regime. The concentration of energy in the zonal components and breaking of isotropy are caused by the anisotropic energy transfer. The capacity for the zonal jets to hold energy and remain stable increases with an increase of the meridional scale.

Original language	English
Pages (from-to)	225-240
Number of pages	16
Journal	Physics of Fluids
Volume	13
Issue number	1
DOIs	https://doi.org/10.1063/1.1327594
State	Published - 1 Jan 2001

ASJC Scopus subject areas

Computational Mechanics
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Fluid Flow and Transfer Processes

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10.1063/1.1327594

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Anisotropic spectra in two-dimensional turbulence on the surface of a rotating sphere

Abstract

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