Overview of national centralized tokamak program; Mission, design and strategy to contribute ITER and DEMO

Ninomiya, Hiromasa; Akiba, Masato; Fujii, Tsuneyuki; Fujita, Takaaki; Fujiwara, Masami*; Hamamatsu, Kiyotaka; Hayashi, Nobuhiko; Hosogane, Nobuyuki; Ikeda, Yoshitaka; Inoue, Nobuyuki; Kamada, Yutaka; Kawashima, Hisato; Kikuchi, Mitsuru; Kizu, Kaname; Kubo, Hirotaka; Kudo, Yusuke; Kurihara, Kenichi; Kurita, Genichi; Kuriyama, Masaaki; Masaki, Kei; Matsukawa, Makoto; Miura, Yukitoshi; Miya, Naoyuki; Morioka, Atsuhiko; Okuno, Kiyoshi; Sakurai, Shinji; Suzuki, Takahiro; Takahashi, Hiroyuki*; Takechi, Manabu; Tamai, Hiroshi ; Tsuchiya, Katsuhiko; Yamamoto, Takumi; Azechi, Hiroshi*; Horiike, Hiroshi*; Miura, Yushi*; Hashizume, Hidetoshi*; Ichimura, Makoto*; Imai, Tsuyoshi*; Yatsu, Kiyoshi*; Ida, Katsumi*; Nishimura, Arata*; Sagara, Akio*; Kimura, Akihiko*; Matsuoka, Mamoru*; Ito, Satoshi*; Nakamura, Kazuo*; Sakamoto, Mizuki*; Sato, Konosuke*; Shimizu, Akihiko*; Yoshida, Naoaki*; Okano, Kunihiko*; Shimada, Ryuichi*; Tsutsui, Hiroaki*; Takase, Yuichi*; Tanaka, Satoru*; Uesugi, Yoshihiko*

To contribute DEMO and ITER, the design to modify the present JT-60U into superconducting coil machine, named National Centralized Tokamak (NCT), is being progressed under nationwide collaborations in Japan. Mission, design and strategy of this NCT program is summarized.