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Akino, Noboru; Endo, Yasuei; Hanada, Masaya; Kawai, Mikito*; Kazawa, Minoru; Kikuchi, Katsumi*; Kojima, Atsushi; Komata, Masao; Mogaki, Kazuhiko; Nemoto, Shuji; et al.
JAEA-Technology 2014-042, 73 Pages, 2015/02
JAEA-Technology-2014-042.pdf:15.1MB
According to the project plan of JT-60 Super Advanced that is implemented as an international project between Japan and Europe, the neutral beam (NB) injectors have been disassembled. The disassembly of the NB injectors started in November, 2009 and finished in January, 2012 without any serious problems as scheduled. This reports the disassembly activities of the NB injectors.
Yamamoto, Takumi; Umeda, Naotaka; Kuriyama, Masaaki; Lei, G.*; Grisham, L. R.*; Kawai, Mikito; Oga, Tokumichi; JT-60 NBI-Team
Journal of Plasma and Fusion Research SERIES, Vol.5, p.474 - 477, 2002/00
The performance of a 500keV negative-ion based neutral beam injection system for the JT-60U has been enhanced significantly. By improving the beam divergence, 10-second operation of beam injection has been attained. Small peaks were observed in the beam profile measured at the near field. These peaks are clearly resulted from the deflection of the beamlets due to an unwanted electric field. Correction of the deflection reduced the heat load on the limiter at the injection port by more than 50%. The Doppler shifted spectrum from the negative ion beam was measured, and then indicated that electron stripping of the negative ion beam occurs primarily inside the extraction grid, as expected from theoretical consideration. The electron stripping contributed to half of the heat load on the grounded grid.
Kuriyama, Masaaki; Akino, Noboru; Ebisawa, Noboru; Grisham, L. R.*; Hikida, Shigenori*; Honda, Atsushi; Ito, Takao; Kawai, Mikito; Kazawa, Minoru; Kusaka, Makoto*; et al.
Fusion Engineering and Design, 56-57(Part.A), p.523 - 527, 2001/10
Times Cited Count：6 Percentile：43.67(Nuclear Science & Technology)no abstracts in English
Kuriyama, Masaaki; Akino, Noboru; Ebisawa, Noboru; Grisham, L. R.*; Hikida, Shigenori*; Honda, Atsushi; Ito, Takao; Kawai, Mikito; Kazawa, Minoru; Kusaka, Makoto*; et al.
Review of Scientific Instruments, 71(2), p.751 - 754, 2000/02
Times Cited Count：21 Percentile：72.31(Instruments & Instrumentation)no abstracts in English
Hu, L.*; Akino, Noboru; Ebisawa, Noboru; Honda, Atsushi; Ito, Takao; Kawai, Mikito; Kazawa, Minoru; Kuriyama, Masaaki; Kusaka, Makoto*; Mogaki, Kazuhiko; et al.
JAERI-Tech 99-057, 16 Pages, 1999/08
no abstracts in English
Kuriyama, Masaaki; Akino, Noboru; Ebisawa, Noboru; Grisham, L. R.*; Hikida, Shigenori*; Honda, Atsushi; Ito, Takao; Kawai, Mikito; Kazawa, Minoru; Kusaka, Makoto*; et al.
Proceedings of the 18th IEEE/NPSS Symposium on Fusion Engineering (SOFE '99), p.133 - 136, 1999/00
no abstracts in English
Kuriyama, Masaaki; Akino, Noboru; ; Ito, Takao; Inoue, Takashi; Usui, Katsutomi; Ebisawa, Noboru; Oshima, Katsumi*; Ohara, Yoshihiro; Ohara, Hiroshi; et al.
Fusion Engineering and Design, 39-40, p.115 - 121, 1998/00
Times Cited Count：36 Percentile：91.30(Nuclear Science & Technology)no abstracts in English
Yamamoto, Shin; Ohara, Yoshihiro; Tani, Keiji; Nishio, Satoshi; Okumura, Yoshikazu; Araki, Masanori; Azumi, Masafumi; R.S.Devoto*; Fujisawa, Noboru; Hitoki, Shigehisa*; et al.
JAERI-M 88-086, 183 Pages, 1988/05
no abstracts in English
