Determination of Gross Plasma Equilibrium from Magnetic Multipoles

C.E. Kessel; M.A. Firestone

doi:dx.doi.org/10.13182/FST86-A24890

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Home / Publications / Journals / Fusion Science and Technology / Volume 10 / Number 3P2B

Determination of Gross Plasma Equilibrium from Magnetic Multipoles

C.E. Kessel, M.A. Firestone

Fusion Science and Technology / Volume 10 / Number 3P2B / November 1986 / Pages 1177-1182

Fusion Reactor Design—II / dx.doi.org/10.13182/FST86-A24890

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A new approximate technique to determine the gross plasma equilibrium parameters, major radius, minor radius, elongation and triangularity for an up-down symmetric plasma is developed. It is based on a multipole representation of the externally applied poloidal magnetic field, relating specific terms to the equilibrium parameters. The technique shows reasonable agreement with free boundary MHD equilibrium results. The method is useful in dynamic simulation and control studies.