N-NBI heating and current drive in JT-60U towards steady-state tokamak

Ikeda, Yoshitaka; Oikawa, Toshihiro; Ide, Shunsuke

In steady-state tokamak fusion reactors, an efficient external current drive and a large fraction of the bootstrap current are required for non-inductive operation at low circulating power. NBI is a powerful and reliable actuator for current drive and heating. A negative ion-based NBI (N-NBI) with a high beam energy more than 350 keV has been installed in the JT-60U tokamak in order to study the NBI current drive and heating in an ITER relevant regime. This paper presents recent progress of N-NBI experiments and its system in JT-60U towards steady-state operation for ITER and tokamak fusion reactors.

Language	:	Japanese
Journal	:	Purazuma, Kaku Yugo Gakkai-Shi
Volume	:	81
Number	:	10
Pages	:	p.773 - 778
Publication Year/Month	:	2005/10
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Paper URL	:	https://doi.org/10.1585/jspf.81.773
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Keywords	:	Steady-state Tokamak Fusion Reactor; NB Current Drive; Bootstrap Current; Negative Ion Based NBI; JT-60U
Research Facility	:	JT-60(臨界プラズマ試験装置)
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Registration No. : A20050237
JAEA Abstracts No. : 34000049
Paper Submission No. : 198

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