Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Masato Akiba"'
Autor:
Toshihisa Hatano, Takeo Nishitani, Kentaro Ochiai, Takanori Hirose, Kimio Hayashi, Hiroyasu Tanigawa, Satoshi Suzuki, Mikio Enoeda, Masato Akiba, Kenji Tobita
Publikováno v:
Nuclear Fusion. 46:285-290
This paper presents the significant progress made in the research and development (R&D) of key technologies on the water-cooled solid breeder blanket for the ITER test blanket modules in JAERI. Development of module fabrication technology, bonding te
Autor:
Mizuki Sakamoto, Hiroshi Azechi, Kunihiko Okano, Y. Kudo, Takaaki Fujita, Kei Masaki, Katsumi Ida, Hiroshi Tamai, Y. Miura, Hirotaka Kubo, Ryuichi Shimada, Yuichi Takase, Takahiro Suzuki, Kenji Okuno, S.-I. Itoh, A. Nishimura, Hidetoshi Hashizume, S. Sakurai, Naoaki Yoshida, K. Tsuchiya, Kiyotaka Hamamatsu, Nobuhiko Hayashi, K. Kurihara, Mitsuru Kikuchi, Konosuke Sato, S. Ishida, Akihiko Kimura, Makoto Matsukawa, H. Takahashi, Makoto Ichimura, K. Yatsu, S. Tanaka, Yutaka Kamada, Hisato Kawashima, Masato Akiba, N. Miya, M. Kuriyama, K. Kizu, Katsumasa Nakamura, M. Takechi, N. Hosogane, Yoshihiko Uesugi, Y. M. Miura, G. Kurita, H. Ninomiya, A. Shimizu, Akio Sagara, A. Morioka, Hiroaki Tsutsui, Tsuyoshi Imai, Hiroshi Horiike, M. Matsuoka
Publikováno v:
Nuclear Fusion. 45:1676-1683
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 hig
Autor:
Kazuyuki Nakamura, Masato Akiba, S. Suzuki, Yuji Yamauchi, H. Yoshida, Tomoaki Hino, Y. Hirohata
Publikováno v:
Nuclear Fusion. 45:894-899
In order to estimate the in-vessel tritium inventory of carbon flakes or dust, deuterium gas absorption and deuterium ion irradiation experiments were conducted on carbon flakes prepared by using electron beam evaporation of graphite. The retained am
Autor:
Masato Akiba, Takashi Arai, Tomoaki Hino, H. Yoshida, Yuji Yamauchi, Yuko Hirohata, Satoshi Suzuki, Naoyuki Miya
Publikováno v:
SHINKU. 47:239-242
Hydrogen retention in carbon dust produced by hydrogen discharges in JT-60 was investigated to estimate the tritium inventory for the next generation of fusion reactors such as ITER. Several types of dust-like pieces were collected from the vacuum ve
Autor:
T. Kuroda, Mikio Enoeda, K. Furuya, Y. Asaoka, Satoshi Sato, Y. Kosaku, Toshihisa Hatano, Haruto Nakamura, Masato Akiba, Kunihiko Okano, Yoshinori Kawamura, N. Miki, T. Honma, Satoshi Konishi
Publikováno v:
Nuclear Fusion. 43:1837-1844
This paper presents results of conceptual design activities and associated RD neutronics experiments and analyses; and development of the blanket module fabrication technology. Upon developing the fabrication technology for the first wall and box str
Publikováno v:
SHINKU. 44:310-313
Deuterium retention of carbon dust was investigated by two methods, i.e. one is deuterium gas absorption and the other is deuterium ion irradiation. After the gas absorption, retained deuterium desorbed in forms of D2 and HD. Saturated amount of reta
Publikováno v:
SHINKU. 43:377-380
In a nuclear fusion device, plasma facing materials (PFMs) such as graphite are bombarded by extremely high heat and particle fluxes during an abnormal discharge called as disruption. As a result of the disruption, the PFMs are eroded and deposited o
Autor:
Ryutarou JIMBOU, Masahiro SAIDOH, Kazuyuki NAKAMURA, Masato AKIBA, Satoshi SUZUKI, Masayuki DAIRAKU, Mitsuo NAKAGAWA, Yasutaka SUZUKI, Akio CHIBA, Yoshitaka GOTOH
Publikováno v:
Journal of the Ceramic Society of Japan. 105:1091-1098
Publikováno v:
SHINKU. 38:132-135
Autor:
Yoshihiro Ohara, N. Ebisawa, Yoshikazu Okumura, M. Tanaka, N. Akino, S. Takahashi, M. Hanada, S. Kunieda, H. Oohara, J. Satoh, T. Ohga, Yamamoto Masahiro, Kazuhiro Watanabe, Masanori Araki, M. Kazawa, Mikito Kawai, M. Mizuno, Masaaki Kuriyama, Mamoru Matsuoka, J. Koizumi, S. Suzuki, Masato Akiba, T. Yamazaki, Takashi Inoue
Publikováno v:
Plasma Devices and Operations. 3:199-210
The design of a negative-ion-based NBI system for JT-60U rated to inject neutral beams of 500 keV, 10 MW for 10 seconds is described. The neutral beam is injected tangentially from a beamline with two ion sources. The ion source is a cesium-seeded mu