Resonance parallel viscosity in the banana regime in poloidally rotating tokamak plasmas

K. C. Shaing, C. T. Hsu, N. Dominguez

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19 引文 斯高帕斯(Scopus)

摘要

Parallel viscosity in the banana regime in a poloidally (EXB) rotating tokamak plasma is calculated to include the effects of orbit squeezing and to allow the poloidal EXB Mach number Mp to have a value of order unity. Here, E is the electric field and B is the magnetic field. The effects of orbit squeezing not only modify the size of the particle orbit, but also change the fraction of poloidally trapped particles. Resonance between the particle parallel (to B) speed u and the poloidal component of the EXB velocity can only occur for those particles with energy (υ/υt) 2>Mp2 (with υ the particle speed and υt the thermal speed). Thus, the resonance parallel plasma viscosity in the banana regime decreases exponentially with Mp 2, when Mp2≥1, and has a local maximum of Mp2∼1.

原文English
頁(從 - 到)1168-1176
頁數9
期刊Physics of Plasmas
1
發行號5
DOIs
出版狀態Published - 1994

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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