Tokamak startup using point-source dc helicity injection.
Phys Rev Lett
; 102(22): 225003, 2009 Jun 05.
Article
in En
| MEDLINE
| ID: mdl-19658871
ABSTRACT
Startup of a 0.1 MA tokamak plasma is demonstrated on the ultralow aspect ratio Pegasus Toroidal Experiment using three localized, high-current density sources mounted near the outboard midplane. The injected open field current relaxes via helicity-conserving magnetic turbulence into a tokamaklike magnetic topology where the maximum sustained plasma current is determined by helicity balance and the requirements for magnetic relaxation.
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Collection:
01-internacional
Database:
MEDLINE
Language:
En
Journal:
Phys Rev Lett
Year:
2009
Document type:
Article
Affiliation country: