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Takata, Hiroki*; Furuichi, Kazuya*; Nishikawa, Masabumi*; Fukada, Satoshi*; Katayama, Kazunari*; Takeishi, Toshiharu*; Kobayashi, Kazuhiro; Hayashi, Takumi; Namba, Haruyuki*
Fusion Science and Technology, 54(1), p.223 - 226, 2008/07
Times Cited Count：9 Percentile：53.69(Nuclear Science & Technology)Concentration profiles of tritium penetrated into cement paste, mortar and concrete were measured by using samples with a shape of column. Tritium penetrated until a location of about 5 cm from the exposed surface after 6 months' exposure. The amount of tritium penetrated into mortar and concrete were less than 70% and half that into cement paste.
Kobayashi, Kazuhiro; Isobe, Kanetsugu; Iwai, Yasunori; Hayashi, Takumi; Shu, Wataru; Nakamura, Hirofumi; Kawamura, Yoshinori; Yamada, Masayuki; Suzuki, Takumi; Miura, Hidenori*; et al.
Nuclear Fusion, 47(12), p.1645 - 1651, 2007/12
Times Cited Count：3 Percentile：11.67(Physics, Fluids & Plasmas)The confinement and removal of tritium are the key subjects for safety of ITER. The ITER buildings are confinement barriers of tritium. In a hot cell building, tritium is often released, as vapor and is in contact with the inner walls. Also those of an ITER tritium plant building will be exposed to tritium in an accident. However, the data are scarce, especially on the penetration of tritium into the concrete of the wall materials. The tritium released in the buildings is removed by the Atmosphere Detritiation Systems (ADS), where the tritium is oxidized by catalysts and is removed as water. Special gas of SF
is used in ITER, and is expected to be released in an accident such as fire. Although the SF gas has the potential as a catalyst poison, the performance of ADS with the existence of SF has not been confirmed yet. Tritiated water is produced in the regeneration process of ADS, and is subsequently processed by the ITER Water Detritiation System (WDS). One of the key components of WDS is an electrolysis cell. The electrolysis cell is made of organic compounds, and there is no data on the durability of the cell exposed to tritium. To overcome these issues in a global tritium confinement, a series of experimental studies have been carried out as an ITER R&D task: (1) tritium behavior in concrete; (2) effect of SF on performance of ADS; and (3) tritium durability of electrolysis cell of ITER-WDS.
Ushigusa, Kenkichi; Seki, Masahiro; Ninomiya, Hiromasa; Norimatsu, Takayoshi*; Kamada, Yutaka; Mori, Masahiro; Okuno, Kiyoshi; Shibanuma, Kiyoshi; Inoue, Takashi; Sakamoto, Keishi; et al.
Genshiryoku Handobukku, p.906 - 1029, 2007/11
no abstracts in English
Kinjo, Tomohiro*; Nishikawa, Masabumi*; Yanashita, Naoya*; Koyama, Takanori*; Tanifuji, Takaaki*; Enoeda, Mikio
Fusion Engineering and Design, 82(15-24), p.2147 - 2151, 2007/10
Times Cited Count：22 Percentile：81.4(Nuclear Science & Technology)no abstracts in English
Kinjo, Tomohiro*; Nishikawa, Masabumi*; Enoeda, Mikio
Journal of Nuclear Materials, 367-370(2), p.1361 - 1365, 2007/08
Times Cited Count：28 Percentile：85.78(Materials Science, Multidisciplinary)no abstracts in English
Kobayashi, Kazuhiro; Isobe, Kanetsugu; Iwai, Yasunori; Hayashi, Takumi; Shu, Wataru; Nakamura, Hirofumi; Kawamura, Yoshinori; Yamada, Masayuki; Suzuki, Takumi; Miura, Hidenori*; et al.
Proceedings of 21st IAEA Fusion Energy Conference (FEC 2006) (CD-ROM), 8 Pages, 2007/03
no abstracts in English
Takeishi, Toshiharu*; Katayama, Kazunari*; Nishikawa, Masabumi*; Masaki, Kei; Miya, Naoyuki
Journal of Nuclear Materials, 349(3), p.327 - 338, 2006/03
Times Cited Count：6 Percentile：42.17(Materials Science, Multidisciplinary)no abstracts in English
Isobe, Kanetsugu; Nakamura, Hirofumi; Kaminaga, Atsushi; Higashijima, Satoru; Nishi, Masataka; Konishi, Satoshi*; Nishikawa, Masabumi*; Tanabe, Tetsuo*
Fusion Science and Technology, 48(1), p.302 - 305, 2005/07
Times Cited Count：5 Percentile：36.25(Nuclear Science & Technology)no abstracts in English
Katayama, Kazunari*; Takeishi, Toshiharu*; Nagase, Hiroyasu*; Manabe, Yusuke*; Nishikawa, Masabumi*; Miya, Naoyuki; Masaki, Kei
Fusion Science and Technology, 48(1), p.561 - 564, 2005/07
Times Cited Count：1 Percentile：10.63(Nuclear Science & Technology)no abstracts in English
Hirohata, Yuko*; Shibahara, Takahiro*; Tanabe, Tetsuo*; Oya, Yasuhisa*; Arai, Takashi; Goto, Yoshitaka*; Masaki, Kei; Yagyu, Junichi; Oyaizu, Makoto*; Okuno, Kenji*; et al.
Fusion Science and Technology, 48(1), p.557 - 560, 2005/07
Times Cited Count：3 Percentile：24.78(Nuclear Science & Technology)no abstracts in English
Takeishi, Toshiharu*; Katayama, Kazunari*; Nishikawa, Masabumi*; Miya, Naoyuki; Masaki, Kei
Fusion Science and Technology, 48(1), p.565 - 568, 2005/07
Times Cited Count：1 Percentile：10.63(Nuclear Science & Technology)no abstracts in English
Katayama, Kazunari*; Takeishi, Toshiharu*; Manabe, Yusuke*; Nagase, Hiroyasu*; Nishikawa, Masabumi*; Miya, Naoyuki
Journal of Nuclear Materials, 340(1), p.83 - 92, 2005/04
Times Cited Count：7 Percentile：45.47(Materials Science, Multidisciplinary)no abstracts in English
Miya, Naoyuki; Tanabe, Tetsuo*; Nishikawa, Masabumi*; Okuno, Kenji*; Hirohata, Yuko*; Oya, Yasuhisa*
Journal of Nuclear Materials, 329-333(1), p.74 - 80, 2004/08
Times Cited Count：12 Percentile：62.4(Materials Science, Multidisciplinary)no abstracts in English
Horikawa, Toyohiko*; Kaminaga, Atsushi; Nakamura, Hirofumi; Higashijima, Satoru; Arai, Takashi; Kubo, Hirotaka; Konishi, Satoshi*; Nishikawa, Masabumi*
JAERI-Tech 2003-082, 66 Pages, 2003/12
JAERI-Tech-2003-082.pdf:3.44MB
no abstracts in English
Nishikawa, Masabumi*; *; Kawamura, Yoshinori; Nishi, Masataka
JAERI-Conf 98-006, p.170 - 182, 1998/03
no abstracts in English
Nishikawa, Masabumi*; Baba, Atsushi*; *; Kawamura, Yoshinori
Fusion Engineering and Design, 39-40, p.615 - 625, 1998/00
Times Cited Count：14 Percentile：73.45(Nuclear Science & Technology)no abstracts in English
Yamanishi, Toshihiko; Nishikawa, Masabumi*; *
Purazuma, Kaku Yugo Gakkai-Shi, 73(12), p.1326 - 1332, 1997/12
no abstracts in English
Baba, Atsushi*; Nishikawa, Masabumi*; Kawamura, Yoshinori; Okuno, Kenji
Journal of Nuclear Materials, 248, p.106 - 110, 1997/09
Times Cited Count：4 Percentile：37.68(Materials Science, Multidisciplinary)no abstracts in English
Kawamura, Yoshinori; Nishikawa, Masabumi*; *; Okuno, Kenji
Journal of Nuclear Materials, 230, p.287 - 294, 1996/00
Times Cited Count：41 Percentile：94.42(Materials Science, Multidisciplinary)no abstracts in English
Enoeda, Mikio; Kawamura, Yoshinori; Okuno, Kenji; Tanaka, Kenichi*; Uetake, Mitsuru*; Nishikawa, Masabumi*
Fusion Technology, 28(3), p.591 - 596, 1995/10
no abstracts in English
