Reduction in intermittent transport by shearing

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1 Citation (Scopus)

Abstract

The intermittent transport due to coherent structures (streamers) is shown to be dramatically reduced by the shearing of mean flow in passive scalar field model, with the scaling ∝ Ω-3. Here, Ω is the shearing rate of the mean flow. This reduction is much stronger than that in turbulent transport (∝ Ω-1) [Kim and Diamond, Phys. Rev. Lett. 91, 075001 (2003)] in the same model. Implications for the transition from low to high confinement (L-H transition) are discussed.

Original languageEnglish
Article number044501
Number of pages3
JournalPhysics of Plasmas
Volume12
Issue number4
DOIs
Publication statusPublished - 11 Mar 2005
Externally publishedYes

ASJC Scopus subject areas

  • Condensed Matter Physics

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