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Isobe, Kanetsugu; Nakamura, Hirofumi; Kaminaga, Atsushi; Tsuzuki, Kazuhiro; Higashijima, Satoru; Nishi, Masataka; Kobayashi, Yasunori*; Konishi, Satoshi*
Fusion Engineering and Design, 81(1-7), p.827 - 832, 2006/02
Times Cited Count：11 Percentile：60.27(Nuclear Science & Technology)Exhaust gas from JT-60U during experimental operation has been measured with Gas Chromatography (GC), and the gas exhaust characteristic from JT-60U on plasma discharge conditions has been investigated during the JT-60U experimental campaign in 2003-2004. During experimental operation of JT-60U, hydrogen isotope concentration strongly depended on the type of discharges such as high performance, long pulse and so on. On the other hand, impurity species, such as helium, hydrocarbon and carbon oxide, were detected during plasma discharges occasionally. During the experimental operation, plasma disruption remarkably tended to produce high concentration impurities. Glow discharge and Taylor discharge for wall conditioning also produced impurities. In the case of normal plasma, impurity was detected and high performance plasma, such as high 
plasma, tended to produce high concentration impurities. This result indicated that impurities concentration might be higher in the case of normal plasma in ITER, because of its high performance.
Shu, Wataru; Ohira, Shigeru; Suzuki, Takumi; Nishi, Masataka
Fusion Engineering and Design, 70(2), p.123 - 129, 2004/02
Times Cited Count：14 Percentile：66.09(Nuclear Science & Technology)As a study on radiochemical reactions in the process of tritium recovery from the in-vessel components of future deuterium-tritium fusion machine like ITER beta-induced reactions in a N
-balanced system of tritium oxides (TO/TO) with CO were examined by laser Raman, Fourier transition infrared (FT-IR) and mass spectroscopy. The depletion of CO follows a first-order reaction with a rate constant of 0.02 day
, whereas the formation of CO is a complex process whose rate constant decreases from 2 day to 0.02 day. The main species on the 49th day after mixing CO are the produced CO and the balanced gas (N) in the gaseous phase, and the tritiated water predominates in the condensed phase. Tritiated substances like aldehyde, alcohol and carboxylic acid found in T-CO system were not detected in the products of reactions between tritium oxides and carbon monoxide at the same detection limit.
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
Kim, H.*; Hakoda, Teruyuki; Kojima, Takuji
Journal of Physics D; Applied Physics, 36(5), p.473 - 481, 2003/03
Times Cited Count：6 Percentile：28.18(Physics, Applied)no abstracts in English
Isobe, Kanetsugu; Imaizumi, Hideki*; Hayashi, Takumi; Konishi, Satoshi; Nishi, Masataka
Fusion Science and Technology, 41(3), p.988 - 992, 2002/05
no abstracts in English
Kojima, Takuji
Enerugi Rebyu, 22(4), p.27 - 29, 2002/04
no abstracts in English
Isobe, Motoyasu; Kameo, Yutaka; Nakashio, Nobuyuki; Wakui, Takuji*; Iwata, Keiji*; Kibayashi, Tatsuyuki*; Kanazawa, Katsuo; Nakashima, Mikio; Hirabayashi, Takakuni*
JAERI-Tech 2000-049, 29 Pages, 2000/09
JAERI-Tech-2000-049.pdf:2.87MB
no abstracts in English
Kawamura, Yoshinori; Enoeda, Mikio; Willms, R. S.*; Zielinski, P. M.*; Wilhelm, R. H.*; Nishi, Masataka
Fusion Technology, 37(1), p.54 - 61, 2000/01
no abstracts in English
Hashimoto, Shoji
Denki Gakkai-Shi, 119(5), p.278 - 280, 1999/05
no abstracts in English
Yamanishi, Toshihiko; Iwai, Yasunori; Nishi, Masataka; Yoshida, Hiroshi
Fusion Technology, 34(3), p.531 - 535, 1998/11
no abstracts in English
Konishi, Satoshi; Maruyama, T.*; *; Inoue, Masahiko*; *
Fusion Engineering and Design, 39-40, p.1033 - 1039, 1998/00
Times Cited Count：7 Percentile：53.8(Nuclear Science & Technology)no abstracts in English
Okuno, Kenji; Konishi, Satoshi; Yamanishi, Toshihiko; Ohira, Shigeru; Enoeda, Mikio; Nakamura, Hirofumi; Iwai, Yasunori; Hayashi, Takumi; Kawamura, Yoshinori; Kobayashi, Kazuhiro
Fusion Technology 1996, p.1277 - 1280, 1997/00
no abstracts in English
Enoeda, Mikio; Kawamura, Yoshinori; Okuno, Kenji
Fusion Technology, 30(3), p.885 - 889, 1996/12
no abstracts in English
Miyata, Teijiro
SUT Bulletin, 0(11), p.30 - 34, 1996/00
no abstracts in English
Konishi, Satoshi; Hara, Masahide*; Okuno, Kenji
Fusion Technology, 28(3), p.652 - 657, 1995/10
no abstracts in English
Sato, Shoichi
JAERI-M 93-160, 189 Pages, 1993/09
no abstracts in English
