Coherent Structure of Zonal Flow and Nonlinear Saturation(Gases, Plasmas and Electric Discharges)

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概要

• 論文の詳細を見る

• The nonlinear structure of the zonal flow in toroidal plasma is investigated in the case that the autocorrelation times of drift waves are much shorter than the autocorrelation time of zonal flow. It is found that the turbulent drive of the zonal flow starts to decrease at a high velocity shear of the zonal flow. By this mechanism, the zonal flow evolves into a stable stationary structure in turbulent plasmas. Flow velocity and radial wavelength are obtained.

• 社団法人日本物理学会の論文
• 2004-11-15

著者

• Itoh K.

  National Institute for Fusion Science

• Itoh S.

  Research Institute For Applied Mechanics Kyushu University

• Hallatschek K.

  Centre For Interdisciplinary Plasma Science Max-planck-institut Fur Plasmaphysik

• TODA S.

  National Institute for Fusion Science

• SANUKI H.

  National Institute for Fusion Science

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