Plasma and Fusion Research
Online ISSN : 1880-6821
ISSN-L : 1880-6821
Rapid Communications
Current Start-Up Using the New CHI System
Kengoh KURODARoger RAMANKazuaki HANADAMakoto HASEGAWATakumi ONCHIMasayuki ONOThomas JABOEBrian A. NELSONMasayoshi NAGATAOsamu MITARAIKazuo NAKAMURAHiroshi IDEIJohn ROGERSShoji KAWASAKITakahiro NAGATAArseniy KUZMINShinichiro KOJIMAOsamu WATANABEAki HIGASHIJIMAYuichi TAKASEAtsushi FUKUYAMA
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2017 Volume 12 Pages 1202020

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Abstract

Coaxial Helicity Injection (CHI) has now been implemented in QUEST. The goals for the first transient CHI experiments were to establish reliable gas breakdown conditions, and to measure CHI-produced toroidal current generation. Both these objectives were successfully met. Toroidal currents up to 29 kA were measured. Interestingly, these first plasmas on QUEST also suggest the formation of small amounts of closed magnetic flux surfaces.

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© 2017 by The Japan Society of Plasma Science and Nuclear Fusion Research
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