Reheat mode discharges in search of attainable high stored energy and density limit of compact helical system

M. Isobe, K. Nagaoka, Y. Yoshimura, T. Minami, T. Akiyama, C. Suzuki, S. Nishimura, K. Nakamura, A. Shimizu, C. Takahashi, K. Toi, K. Matsuoka, S. Okamura, H. Matsushita, S. Murakami

研究成果: ジャーナルへの寄稿学術誌査読

7 被引用数 (Scopus)

抄録

The results of experiments to attain high stored energy and density in the Compact Helical System (CHS) are reported. The experiments have been carried out under the maximum neutral beam heating power and highest magnetic field strength of the CHS. With the help of the reheat mode, we have so far reached a stored energy of 9.4 kJ and a density limit expressed as nc = 0.65·(Pabs·Bt/VP)0.5 for the CHS. In the high-density regime, the confinement of CHS plasma is limited by radiation collapse. A multichannel Hα light detector system shows an asymmetric feature in the poloidal cross section and indicates that confinement degradation in the high-density regime begins at the inboard side where the CHS plasma is close to the vacuum vessel wall.

本文言語英語
ページ(範囲)229-235
ページ数7
ジャーナルFusion Science and Technology
50
2
DOI
出版ステータス出版済み - 8月 2006

!!!All Science Journal Classification (ASJC) codes

  • 土木構造工学
  • 核物理学および高エネルギー物理学
  • 原子力エネルギーおよび原子力工学
  • 材料科学(全般)
  • 機械工学

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