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Design of neutral beam system for ITER-FEAT

T Inoue, E Di Pietro, M Hanada, R.S Hemsworth, K Watanabe2001年Fusion Engineering and DesignIF 1.7出版社

AbstractThe neutral beam (NB) system in ITER-FEAT provides heating and current drive (H&CD) by two NB injectors, each delivering 16.7 MW of D0 beam to the plasma at 1 MeV. The NB system retains the basic concept of the ITER 1998 design, but there are certain modifications that will be described: the beam transmission is improved by a four beam channel design of the neutralizer and the RID. Also the layout of the NB injector integrated in ITER allows both on- and off-axis current drive. The improved performance of the NB system is discussed from the system efficiency and the current drive capability points of view.

日本語訳

ITER-FEATにおける中性粒子ビーム(NB)システムは、2基のNB入射装置により加熱と電流駆動(H&CD)を提供し、各入射装置は1 MeVのD0ビームを16.7 MWでプラズマへ入射する。NBシステムはITER 1998年設計の基本概念を踏襲しているが、以下に述べる特定の変更が加えられている。すなわち、中性化セルとRIDの4ビームチャンネル設計によりビーム伝送が改善されている。また、ITERに統合されたNB入射装置のレイアウトにより、オンファシスおよびオフファシスの両方の電流駆動が可能となっている。本稿では、システム効率と電流駆動能力の観点から、NBシステムの改善された性能について論じる。

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ITERNeutral beamITER-FEAT
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