Design study of National Centralized Tokamak facility for the demonstration of steady state high-β plasma operation

H. Tamai, M. Akiba, H. Azechi, T. Fujita, K. Hamamatsu, H. Hashizume, N. Hayashi, H. Horiike, N. Hosogane, M. Ichimura, K. Ida, T. Imai, S. Ishida, S. Itoh, Y. Kamada, H. Kawashima, M. Kikuchi, A. Kimura, K. Kizu, H. KuboY. Kudo, K. Kurihara, G. Kurita, M. Kuriyama, K. Masaki, M. Matsukawa, M. Matsuoka, Y. Miura, Y. M. Miura, N. Miya, A. Morioka, K. Nakamura, H. Ninomiya, A. Nishimura, K. Okano, K. Okuno, A. Sagara, M. Sakamoto, S. Sakurai, K. Sato, R. Shimada, A. Shimizu, T. Suzuki, H. Takahashi, Y. Takase, M. Takechi, S. Tanaka, K. Tsuchiya, H. Tsutsui, Y. Uesugi, K. Yatsu, N. Yoshida

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Abstract

Design studies are shown on the National Centralized Tokamak facility, formerly called JT-60SC. The machine design is carried out to investigate the capability for flexibility in aspect ratio and shape controllability for the demonstration of the high-β steady state operation with nation-wide collaboration, in parallel with ITER towards DEMO. Two designs are proposed and assessed with respect to the physics requirements such as confinement, stability, current drive, divertor and energetic particle confinement. The operation range in the aspect ratio and the plasma shape is widely enhanced consistent with sufficient divertor pumping. Evaluations of the plasma performance towards the determination of the machine design are presented.

Original languageEnglish
Pages (from-to)1676-1683
Number of pages8
JournalNuclear Fusion
Volume45
Issue number12
DOIs
Publication statusPublished - 2005 Dec 1

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Condensed Matter Physics

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    Tamai, H., Akiba, M., Azechi, H., Fujita, T., Hamamatsu, K., Hashizume, H., Hayashi, N., Horiike, H., Hosogane, N., Ichimura, M., Ida, K., Imai, T., Ishida, S., Itoh, S., Kamada, Y., Kawashima, H., Kikuchi, M., Kimura, A., Kizu, K., ... Yoshida, N. (2005). Design study of National Centralized Tokamak facility for the demonstration of steady state high-β plasma operation. Nuclear Fusion, 45(12), 1676-1683. https://doi.org/10.1088/0029-5515/45/12/023