2002•Unpublished venueRequires access
Conceptual design of the Steady State Tokamak Reactor (SSTR)
Akira Oikawa, M. Kikuchi, Y. Seki, Shuichi Nishio, T. Ando, Y. Ohara, T. Takizuka, Keiji Tani, Takahisa OZEKI, Kouki Koizumi, M. Azumi, Hiroshi Kishimoto, H. Madaramel, Bunko IKEDA, Yutaka Suzuki, N. Ueda, Takeo Kageyama, Masakazu Yamada, T. Mizoguchi, Fumiaki Iida, Yoshihiro OZAWA, Shigetarou Mori, Sadao Yamazaki, Takeshi Kobayashi, Satoshi Hirata, Jun‐ichi Adachi, Kichiro Shinya, Akihiko Ozaki, Haruhiko TAKASE, Shinji KOBAYASHI, M. Asahara, Kuniaki Konishi, N. Yokogawa
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Abstract
On the basis of a high bootstrap current fraction observation with JT-60, the concept of a Steady-State Tokamak Reactor, the SSTR, was conceived and was developed with the design activity of the SSTR at JAERI (Japan Atomic Energy Research Institue). Results of ITER/FER (International Thermonuclear Experimental Reactor/Fusion Experimental Reactor) design activities have enhanced the SSTR design. Moreover, the progress of R&D for fusion reactor engineering, especially in the development of superconducting coils and negative-ion-based NBI at JAERI, has promoted the SSTR conceptual design as a realistic power reactor. Although present fusion power reactor designs are currently considered to be too large and costly, results of the SSTR conceptual design suggest that an efficient and promising tokamak reactor will be feasible. The conceptual design of the SSTR provides a realistic reference for a demo tokamak reactor. Notably, a reduction of the circulating power of the power station facility, owing to spontaneous bootstrap current, may ensure the high Q around 50 necessary for a commercial power reactor.>