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Mean shear flows, zonal flows, and generalized Kelvin-Helmholtz modes in drift wave turbulence: A minimal model for L→H transition

  • Author(s): Kim, EJ;
  • Diamond, PH
  • et al.

Published Web Location

https://doi.org/10.1063/1.1559006
Abstract

A study was performed on mean shear flows, zonal flows and generalized Kelvin-Helmholtz modes in drift wave turbulence. A minimal model for the L→H (low- to high-confinement) transition was proposed, which involved the amplitude of drift waves, zonal flows and the density gradient. The effect of poloidally nonaxisymmetric structures on anomalous transport was investigated.

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