Nonlinear reversed-field pinch dynamics with nonideal boundaries

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Abstract

The nonlinear behavior of the reversed-field pinch bounded by a resistive shell or a distant conducting wall is investigated with a three-dimensional magnetohydrodynamic code. Nonlinear interaction between modes enhances fluctuation levels as the conducting wall is removed. The enhanced fluctuation-induced vXb electric field, which produces the dynamo effect, suppresses toroidal current, and enhances surface helicity dissipation. Thus loop voltage must increase to sustain the current and maintain helicity balance.

Original languageEnglish (US)
Pages (from-to)3099-3110
Number of pages12
JournalPhysics of Fluids B
Volume3
Issue number11
DOIs
StatePublished - Jan 1 1991
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Computational Mechanics
  • Condensed Matter Physics
  • Mechanics of Materials
  • Physics and Astronomy(all)
  • Fluid Flow and Transfer Processes

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