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Yamagishi, Isao; Nagaishi, Ryuji; Kato, Chiaki; Morita, Keisuke; Terada, Atsuhiko; Kamiji, Yu; Hino, Ryutaro; Sato, Hiroyuki; Nishihara, Kenji; Tsubata, Yasuhiro; et al.
Journal of Nuclear Science and Technology, 51(7-8), p.1044 - 1053, 2014/07
Times Cited Count：19 Percentile：81.41(Nuclear Science & Technology)For safe storage of zeolite wastes generated by treatment of radioactive saline water at the Fukushima Daiichi Nuclear Power Station, properties of the Herschelite adsorbent were studied and its adsorption vessel was evaluated for hydrogen production and corrosion. Hydrogen production depends on its water level and dissolved species because hydrogen is oxidized by radicals in water. It is possible to evaluate hydrogen production rate in Herschelite submerged in seawater or pure water by taking into account of the depth effect of the water. The reference vessel of decay heat 504 W with or without residual pure water was evaluated for the hydrogen concentration by thermal hydraulic analysis using obtained fundamental properties. Maximum hydrogen concentration was below the lower explosive limit (4 %). The steady-state corrosion potential of a stainless steel 316L increased with absorbed dose rate but its increase was repressed by the presence of Herschelite. At 750 Gy/h and 
60
C which were values evaluated at the bottom of the vessel of 504 W, the localized corrosion of SUS316L contacted with Herschelite would not immediately occur under 20,000 ppm of Cl
concentration.
Motojima, Osamu*; Yamada, Hiroshi*; Komori, Akio*; Oyabu, Nobuyoshi*; Muto, Takashi*; Kaneko, Osamu*; Kawahata, Kazuo*; Mito, Toshiyuki*; Ida, Katsumi*; Imagawa, Shinsaku*; et al.
Nuclear Fusion, 47(10), p.S668 - S676, 2007/10
Times Cited Count：34 Percentile：73.64(Physics, Fluids & Plasmas)The performance of net-current free heliotron plasmas has been developed by findings of innovative operational scenarios in conjunction with an upgrade of the heating power and the pumping/fuelling capability in the Large Helical Device (LHD). Consequently, the operational regime has been extended, in particular, with regard to high density, long pulse length and high beta. Diversified studies in LHD have elucidated the advantages of net-current free heliotron plasmas. In particular, an internal diffusion barrier (IDB) by a combination of efficient pumping of the local island divertor function and core fuelling by pellet injection has realized a super dense core as high as 5
10
m
, which stimulates an attractive super dense core reactor. Achievements of a volume averaged beta of 4.5% and a discharge duration of 54 min with a total input energy of 1.6 GJ (490 kW on average) are also highlighted. The progress of LHD experiments in these two years is overviewed by highlighting IDB, high-beta and long pulse.
Motojima, Osamu*; Yamada, Hiroshi*; Komori, Akio*; Oyabu, Nobuyoshi*; Kaneko, Osamu*; Kawahata, Kazuo*; Mito, Toshiyuki*; Muto, Takashi*; Ida, Katsumi*; Imagawa, Shinsaku*; et al.
Proceedings of 21st IAEA Fusion Energy Conference (FEC 2006) (CD-ROM), 12 Pages, 2007/03
The performance of net-current free Heliotron plasmas has been developed by findings of innovative operational scenarios in conjunction with an upgrade of the heating power and the pumping/fueling capability in the Large Helical Device (LHD). Consequently, the operational regime has been extended, in particular, with regard to high density, long pulse length and high beta. Diversified studies in LHD have elucidated the advantages of net-current free heliotron plasmas. In particular, an Internal Diffusion Barrier (IDB) by combination of efficient pumping of the local island divertor function and core fueling by pellet injection has realized a super dense core as high as 510m, which stimulates an attractive super dense core reactor. Achievements of a volume averaged beta of 4.5 % and a discharge duration of 54-min. with a total input energy of 1.6 GJ (490 kW in average) are also highlighted. The progress of LHD experiments in these two years is overviewed with highlighting IDB, high 
and long pulse.
Mishima, Kaichiro*; Hibiki, Takashi*; *; *; Moriyama, Kiyofumi; Sugimoto, Jun
Proc. of Int. Seminar on Vapor Explosions and Explosive Eruptions, p.101 - 109, 1997/00
no abstracts in English
Yokokura, Kenji; Kasugai, Atsushi; Sakamoto, Keishi; Takahashi, Koji; Tsuneoka, Masaki; Yamamoto, Takumi; Imai, Tsuyoshi; Nagashima, Takashi; Saito, Yasushi*; *; et al.
Purazuma, Kaku Yugo Gakkai-Shi, 71(8), p.760 - 771, 1995/08
no abstracts in English
Kasugai, Atsushi; Yokokura, Kenji; Sakamoto, Keishi; Tsuneoka, Masaki; Yamamoto, Takumi; Imai, Tsuyoshi; Saito, Yasushi*; *; *; Ebisawa, Katsuyuki*
Proceedings of the 19th International Conference on Infrared and Millimeter Waves, 0, p.295 - 296, 1994/00
no abstracts in English
Yamamoto, Takumi; Tsuneoka, Masaki; Sakamoto, Keishi; Kimura, Haruyuki; Nagashima, Takashi; *; Saito, Yasushi*; *; Ito, Yasuyuki*
JAERI-M 91-194, 41 Pages, 1991/11
no abstracts in English
Kimura, Haruyuki; Saigusa, Mikio; Saito, Yasushi*; *; Nagashima, Takashi; Fujii, Tsuneyuki; *; *; Fukuyama, Atsushi*; Yamagiwa, Mitsuru; et al.
JAERI-M 91-094, 89 Pages, 1991/06
no abstracts in English
Ohara, Yoshihiro; Tanaka, Shigeru; Akiba, Masato; Araki, Masanori; Fujisawa, Noboru; Hanada, Masaya; Inoue, Takashi; *; Mizuno, Makoto; Okumura, Yoshikazu; et al.
JAERI-M 91-052, 176 Pages, 1991/03
no abstracts in English
Tanaka, Shigeru; Ohara, Yoshihiro; Akiba, Masato; Araki, Masanori; Hanada, Masaya; Inoue, Takashi; Mizuno, Makoto; Okumura, Yoshikazu; Seki, Masahiro; Watanabe, Kazuhiro; et al.
Fusion Engineering and Design, 18, p.507 - 515, 1991/00
Times Cited Count：2 Percentile：31.86(Nuclear Science & Technology)no abstracts in English
Inoue, Takashi; Akiba, Masato; Araki, Masanori; Hanada, Masaya; *; Mizuno, Makoto; Okumura, Yoshikazu; Ohara, Yoshihiro; Seki, Masahiro; Tanaka, Shigeru; et al.
Fusion Engineering and Design, 18, p.369 - 376, 1991/00
Times Cited Count：3 Percentile：40.77(Nuclear Science & Technology)no abstracts in English
Kobayashi, Noriyuki; Kimura, Haruyuki; Saigusa, Mikio; Fujii, Tsuneyuki; Ikeda, Yoshitaka; Saito, Yasushi*
Fusion Engineering and Design, 12(4), p.481 - 491, 1990/07
Times Cited Count：3 Percentile：40.32(Nuclear Science & Technology)no abstracts in English
Iida, Hiromasa; *; *; Adachi, Junichi*; *; *; Hamajima, Takataro*; Hatayama, Akiyoshi*; *; *; et al.
JAERI-M 88-011, 261 Pages, 1988/02
no abstracts in English
Hatayama, Akiyoshi*; Sugihara, Masayoshi; *; Saito, Yasushi*; *;
14th European Conf. on Controlled Fusion and Plasma Physics, Vol. 11D, No. 3, p.1046 - 1049, 1987/00
no abstracts in English
