Neoclassical toroidal plasma viscosity in the superbanana plateau regime for tokamaks

K. C. Shaing, S. A. Sabbagh, M. S. Chu

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59 引文 斯高帕斯(Scopus)

摘要

Neoclassical toroidal plasma viscosity in the superbanana plateau regime induced by the broken toroidal symmetry in |B| resulting from the error fields or magnetohydrodynamic activities in tokamaks is calculated. The transport processes in this regime are dominated by particles that have vanishing bounce averaged precession frequency, i.e. by the resonant particles. The superbanana plateau regime becomes important when the E × B drift speed is comparable to or smaller than the ∇B drift speed. Here, E is the radial electric field, B is the magnetic field and B = |B|. The resonance occurs regardless of the sign of the radial electric field or the electric charge a species carries. The plasma viscosity and the transport fluxes in this regime are found to be independent of the collision frequency.

原文English
文章編號035009
期刊Plasma Physics and Controlled Fusion
51
發行號3
DOIs
出版狀態Published - 2009

All Science Journal Classification (ASJC) codes

  • 核能與工程
  • 凝聚態物理學

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