Equations for Nonlinear MHD Convection in Shearless Magnetic Systems
- Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182 (Russian Federation)
A closed set of reduced dynamic equations is derived that describe nonlinear low-frequency flute MHD convection and resulting nondiffusive transport processes in weakly dissipative plasmas with closed or open magnetic field lines. The equations obtained make it possible to self-consistently simulate transport processes and the establishment of the self-consistent plasma temperature and density profiles for a large class of axisymmetric nonparaxial shearless magnetic devices: levitated dipole configurations, mirror systems, compact tori, etc. Reduced equations that are suitable for modeling the long-term evolution of the plasma on time scales comparable to the plasma lifetime are derived by the method of the adiabatic separation of fast and slow motions.
- OSTI ID:
- 20718013
- Journal Information:
- Plasma Physics Reports, Journal Name: Plasma Physics Reports Journal Issue: 7 Vol. 31; ISSN PPHREM; ISSN 1063-780X
- Country of Publication:
- United States
- Language:
- English
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