Commissioning of the first KSTAR neutral beam injection system and beam experiments

被引：31

作者：

Bae, Y. S. ^{[1
]}

Park, Y. M. ^{[1
]}

Kim, J. S. ^{[1
]}

Han, W. S. ^{[1
]}

Kwak, S. W. ^{[1
]}

Chang, Y. B. ^{[1
]}

Park, H. T. ^{[1
]}

Song, N. H. ^{[1
]}

Yang, H. L. ^{[1
]}

Yoon, S. W. ^{[1
]}

Jeon, Y. M. ^{[1
]}

Hahn, S. H. ^{[1
]}

Lee, S. G. ^{[1
]}

Ko, W. H. ^{[1
]}

England, A. C. ^{[1
]}

Kim, W. C. ^{[1
]}

Oh, Y. K. ^{[1
]}

Kwak, J. G. ^{[1
]}

Kwon, M. ^{[1
]}

Chang, D. H. ^{[2
]}

Jeong, S. H. ^{[2
]}

Kim, T. S. ^{[2
]}

Oh, B. H. ^{[2
]}

Jin, J. T. ^{[2
]}

In, S. R. ^{[2
]}

Lee, K. W. ^{[2
]}

Chang, D. S. ^{[2
]}

Watanabe, K. ^{[3
]}

Dairaku, M. ^{[3
]}

Tobari, H. ^{[3
]}

Kashiwagi, M. ^{[3
]}

Hanada, M. ^{[3
]}

Inoue, T. ^{[3
]}

Ikeda, Y. ^{[3
]}

Kawai, M. ^{[3
]}

Komata, M. ^{[3
]}

Mogaki, K. ^{[3
]}

Usui, K. ^{[3
]}

Yamamoto, T. ^{[4
]}

Matsuoka, M. ^{[5
]}

Nagaoka, K. ^{[6
]}

Grisham, L. ^{[7
]}

机构：

[1] Natl Fus Res Inst, Taejon, South Korea

[2] Korea Atom Energy Res Inst, Taejon, South Korea

[3] Japan Atom Energy Agcy, Naka, Ibaraki 3110193, Japan

[4] Nippon Adv Technol Co Ltd, Tokai, Ibaraki 3191112, Japan

[5] Mie Univ, Tsu, Mie 5148507, Japan

[6] Natl Inst Nat Sci, Natl Inst Fus Sci, Toki, Gifu 5095292, Japan

[7] Princeton Plasma Phys Lab, Princeton, NJ 08543 USA

来源：

FUSION ENGINEERING AND DESIGN | 2012年 / 87卷 / 09期

关键词：

KSTAR; Neutral beam injection; Long pulse; H-mode; ION-SOURCE;

D O I：

10.1016/j.fusengdes.2012.05.011

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

The neutral beam injection (NBI) system was designed to provide plasma heating and current drive for high performance and long pulse operation of the Korean Superconducting Tokamak Advanced Research (KSTAR) device using two co-current beam injection systems. Each neutral beam injection system was designed to inject three beams using three ion sources and each ion source has been designed to deliver more than 2.0 MW of deuterium neutral beam power for the 100-key beam energy. Consequently, the final goal of the KSTAR NBI system aims to inject more than 12 MW of deuterium beam power with the two NBI for the long pulse operation of the KSTAR. As an initial step toward the long pulse (similar to 300s) KSTAR NBI system development, the first neutral beam injection system equipped with one ion source was constructed for the KSTAR 2010 campaign and successfully commissioned. During the KSTAR 2010 campaign, a MW-deuterium neutral beam was successfully injected to the KSTAR plasma with maximum beam energy of 90 keV and the L-H transition was observed with neutral beam heating. In recent 2011 campaign, the beam power of 1.5 MW is injected with the beam energy of 95 key. With the beam injection, the ion and electron temperatures increased significantly, and increase of the toroidal rotation speed of the plasma was observed as well. This paper describes the design, construction, commissioning results of the first NBI system leading the successful heating experiments carried in the KSTAR 2010 and 2011 campaign and the trial of 300-s long pulse beam extraction. (C) 2012 Elsevier B.V. All rights reserved.

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页码：1597 / 1610

页数：14

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