Equilibria with incompressible flows from symmetry analysis

Equilibria with incompressible flows from symmetry analysis

We identify and study new nonlinear axisymmetric equilibria with incompressible flow of arbitrary direction satisfying a generalized Grad Shafranov equation by extending the symmetry analysis presented by Cicogna and Pegoraro [Phys. Plasmas 22, 022520 (2015)]. In particular, we construct a typical t...

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Veröffentlicht in:Physics of plasmas 2015-08, Vol.22 (8)
Hauptverfasser: Kuiroukidis, Ap, Throumoulopoulos, G. N.
Format: Artikel
Sprache:eng
Schlagworte:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
AXIAL SYMMETRY
Axisymmetric flow
CURRENT DENSITY
ELECTRIC FIELDS
EQUILIBRIUM
Fluid flow
GRAD-SHAFRANOV EQUATION
INCOMPRESSIBLE FLOW
NONLINEAR PROBLEMS
Plasma physics
PLASMA SHEATH
Plasmas (physics)
Safety factors
Symmetry
TOKAMAK DEVICES
TOROIDAL CONFIGURATION
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Beschreibung
Zusammenfassung:We identify and study new nonlinear axisymmetric equilibria with incompressible flow of arbitrary direction satisfying a generalized Grad Shafranov equation by extending the symmetry analysis presented by Cicogna and Pegoraro [Phys. Plasmas 22, 022520 (2015)]. In particular, we construct a typical tokamak D-shaped equilibrium with peaked toroidal current density, monotonically varying safety factor, and sheared electric field.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.4928087