Configurations for a proof of principle stellarator experiment | Zendy

P. R. Garabedian | Zendy

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Configurations for a proof of principle stellarator experiment

Author(s) -

P. R. Garabedian

Publication year - 2000

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.97.3.972

Subject(s) - stellarator , tokamak , modular design , fusion power , stability (learning theory) , symmetry (geometry) , nuclear engineering , physics , magnetic confinement fusion , plasma , computer science , mechanics , computational physics , nuclear physics , mathematics , engineering , geometry , machine learning , operating system

One of the serious limitations of tokamaks as reactors is the occurrence of disruptions. Stellarators designed by advanced computational methods provide an attractive alternative for a major experiment in magnetic fusion research. Configurations with approximate two-dimensional magnetic symmetry have been found with high β limits and good transport. Specifications are given for a compact stellarator with three field periods and 18 moderately twisted modular coils that has equilibrium with robust flux surfaces, a deep magnetic well assuring favorable stability, and adequate confinement of hot particles at reactor conditions. Fast computer codes with sufficient accuracy to resolve the mathematical problems of equilibrium, stability and transport that arise in the more complicated geometry of the stellarator have produced this breakthrough. The mathematical analysis of the methods used is presented.

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