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Physics of zonal flows

  • Author(s): Itoh, K
  • Itoh, SI
  • Diamond, PH
  • Hahm, TS
  • Fujisawa, A
  • Tynan, GR
  • Yagi, M
  • Nagashima, Y
  • et al.

Published Web Location

https://doi.org/10.1063/1.2178779Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License
Abstract

Zonal flows, which means azimuthally symmetric band-like shear flows, are ubiquitous phenomena in nature and the laboratory. It is now widely recognized that zonal flows are a key constituent in virtually all cases and regimes of drift wave turbulence, indeed, so much so that this classic problem is now frequently referred to as "drift wave-zonal flow turbulence." In this review, new viewpoints and unifying concepts are presented, which facilitate understanding of zonal flow physics, via theory, computation and their confrontation with the results of laboratory experiment. Special emphasis is placed on identifying avenues for further progress. © 2006 American Institute of Physics.

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