Jets in tokamaks: A theoretical study

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Abstract

A new class of bifurcation of the momentum balance equations for a tokamak plasma is presented. The solution exhibits a monopolar localized jet of E×B flow. The jet is generated by the reduction of turbulent viscosity due to E×B velocity shear. Strong jets of localized plasma flow have been observed in tokamaks as a precursor to the development of a transport barrier region with reduced turbulent transport. The jet solution is shown to fit well with the experimental observations.

Original languageEnglish
Pages (from-to)3610-3613
Number of pages4
JournalPhysical Review Letters
Volume84
Issue number16
DOIs
StatePublished - 2000
Externally publishedYes

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