Studies of Plasma Equilibrium and Transport in a Tokamak Fusion Device with the Inverse-Variable Technique

We describe an accurate and efficient model for studying the evolution of tokamak plasmas. The equilibrium problem for a plasma with a free boundary is solved using the "inverse variable" technique. The one-dimensional (averaged on magnetic surfaces) system of transport equations are solve...

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Bibliographic Details
Published in:Journal of computational physics 1993-12, Vol.109 (2), p.193-201
Main Authors: Khayrutdinov, R.R., Lukash, V.E.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
990200 > Mathematics & Computers
CLOSED PLASMA DEVICES
COMPUTER CODES
COMPUTERIZED SIMULATION
D CODES
Exact sciences and technology
GENERAL AND MISCELLANEOUS//MATHEMATICS, COMPUTING, AND INFORMATION SCIENCE
Physics
PLASMA WAVES
SIMULATION
Statistical physics, thermodynamics, and nonlinear dynamical systems
THERMONUCLEAR DEVICES 700340 > Plasma Waves, Oscillations, & Instabilities-- (1992-)
TOKAMAK DEVICES
Transport processes
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Description
Summary:We describe an accurate and efficient model for studying the evolution of tokamak plasmas. The equilibrium problem for a plasma with a free boundary is solved using the "inverse variable" technique. The one-dimensional (averaged on magnetic surfaces) system of transport equations are solved together with the circuit equations for the vacuum vessel and the passive and active coils. As an example of the application of this method, we simulate the discharge in the T-3M tokamak as it transiently evolves to a separatrix configuration.
ISSN:0021-9991
1090-2716
DOI:10.1006/jcph.1993.1211