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Turbulence-Condensate Interaction in Two Dimensions

Xia, Hua; Punzmann, Horst; Falkovich, Gregory; Shats, Michael

Description

We present experimental results on turbulence generated in thin fluid layers in the presence of a large-scale coherent flow, or a spectral condensate. It is shown that the condensate modifies the third-order velocity moment in a much wider interval of scales than the second one. The modification may include the change of sign of the third moment in the inverse cascade. This observation may help resolve a controversy on the energy flux in mesoscale atmospheric turbulence (10-500 km): to recover...[Show more]

CollectionsANU Research Publications
Date published: 2008
Type: Journal article
URI: http://hdl.handle.net/1885/21738
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.101.194504

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