Spectral energy transfer and generation of turbulent structures in toroidal plasma

H. Xia; M. G. Shats

doi:10.1063/1.1637607

Spectral energy transfer and generation of turbulent structures in toroidal plasma

H. Xia^*, M. G. Shats

^*Corresponding author for this work

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

41 Citations (Scopus)

Abstract

The nonlinear energy cascades in turbulent spectra was analyzed using the spectral energy transfer and the amplitude correlation technique. It was shown that an inverse energy cascade of the spectral energy is responsible for the generation of the large scale coherent structures dominating turbulent spectra. The zonal flows present in these structures are also generated via the inverse cascade. The zonal flows are generated with the increased strength in the nonlinear energy transfer.

Original language	English
Pages (from-to)	561-571
Number of pages	11
Journal	Physics of Plasmas
Volume	11
Issue number	2
DOIs	https://doi.org/10.1063/1.1637607
Publication status	Published - Feb 2004

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title = "Spectral energy transfer and generation of turbulent structures in toroidal plasma",

abstract = "The nonlinear energy cascades in turbulent spectra was analyzed using the spectral energy transfer and the amplitude correlation technique. It was shown that an inverse energy cascade of the spectral energy is responsible for the generation of the large scale coherent structures dominating turbulent spectra. The zonal flows present in these structures are also generated via the inverse cascade. The zonal flows are generated with the increased strength in the nonlinear energy transfer.",

author = "H. Xia and Shats, {M. G.}",

year = "2004",

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AU - Shats, M. G.

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AB - The nonlinear energy cascades in turbulent spectra was analyzed using the spectral energy transfer and the amplitude correlation technique. It was shown that an inverse energy cascade of the spectral energy is responsible for the generation of the large scale coherent structures dominating turbulent spectra. The zonal flows present in these structures are also generated via the inverse cascade. The zonal flows are generated with the increased strength in the nonlinear energy transfer.

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JO - Physics of Plasmas

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Spectral energy transfer and generation of turbulent structures in toroidal plasma

Abstract

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