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Takei, Hayanori; Kobayashi, Hitoshi*
Journal of Nuclear Science and Technology, 42(12), p.1032 - 1039, 2005/12
Times Cited Count：3 Percentile：23.78(Nuclear Science & Technology)In high-intensity proton accelerator facilities, a failure of an electromagnet that steers beam pulses may result in thermal shock damage on the accelerator component by injecting an out-of-control pulse. It is important that a Machine Protection System (MPS) is appropriately designed to prevent this damage in the facilities such as Japan Proton Accelerator Research Complex (J-PARC). In this study, the simple evaluation method for the allowable injection time before the operation of the MPS was derived from the relation between the thermal stress and the yield stress of materials.The derived evaluation method was then applied to J-PARC. The allowable injection time for each component ranged from 0.1 to 70 
s.
Oka, Kiyoshi; Shibanuma, Kiyoshi
JAERI-Tech 2003-004, 57 Pages, 2003/03
JAERI-Tech-2003-004.pdf:2.36MB
Cesium is required in order to generate a stable negative ion of hydrogen in an ion source of the neutral beam injector (NBI), which is one of the plasma-heating devices for International Thermonuclear Experimental Reactor (ITER). After long time operation of NBI, the cesium deposits to the insulators supporting the electrode. Due to the deterioration of the insulation resistance, the continuous operation of the NBI will be difficult. In addition, the NBI device is activated by neutron from D-T plasma, so that a periodic removal and cleaning of the cesium on the insulators by remote handling is required. A study of the cesium removal scenario and device is therefore required considering remote handling. In this report, a cesium removal procedure and conceptual design of the cesium removal device using laser ablation technique are studied, and the feasibility of laser ablation is shown.
Kuriyama, Masaaki; Akino, Noboru; Ebisawa, Noboru; Grisham, L. R.*; Honda, Atsushi; Ito, Takao; Kawai, Mikito; Kazawa, Minoru; Mogaki, Kazuhiko; Ohara, Yoshihiro; et al.
Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.410 - 423, 2002/09
Times Cited Count：49 Percentile：92.72(Nuclear Science & Technology)no abstracts in English
Kuriyama, Masaaki; Akino, Noboru; Ebisawa, Noboru; Honda, Atsushi; Ito, Takao; Kawai, Mikito; Mogaki, Kazuhiko; Oga, Tokumichi; Ohara, Hiroshi; Umeda, Naotaka; et al.
Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.424 - 434, 2002/09
Times Cited Count：16 Percentile：69.00(Nuclear Science & Technology)no abstracts in English
Song, X. M.*; Sugie, Tatsuo; Yoshino, Ryuji
Purazuma, Kaku Yugo Gakkai-Shi, 76(3), p.282 - 287, 2000/03
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：91.28(Nuclear Science & Technology)no abstracts in English
Oga, Tokumichi; ; ; ; Ito, Takao; ; Kawai, Mikito; ; Komata, Masao; Kunieda, Shunsuke; et al.
JAERI-Tech 95-044, 147 Pages, 1995/09
no abstracts in English
Tada, Eisuke; Yoshida, Kiyoshi; Shibanuma, Kiyoshi; Akiba, Masato; Okumura, Yoshikazu
Kaku Yugo Kenkyu, 68(3), p.249 - 267, 1992/09
no abstracts in English
plasmasYamagiwa, Mitsuru
Plasma Physics and Controlled Fusion, 34(5), p.715 - 723, 1992/00
no abstracts in English
Arakawa, Kazuo; Nakamura, Yoshiteru; Yokota, Wataru; Fukuda, Mitsuhiro; Kamiya, Tomihiro; Agematsu, Takashi; Nara, Takayuki; ; Ishibori, Ikuo; Tanaka, Ryuichi; et al.
Proc. of the 4th China-Japan Joint Symp. on Accelerators for Nuclear Science and Their Applications, p.173 - 175, 1991/00
no abstracts in English
; Kazawa, Minoru; ; ; ;
JAERI-M 87-005, 25 Pages, 1987/02
no abstracts in English
Horiike, Hiroshi; Ohara, Yoshihiro; Okumura, Yoshikazu; Shibata, Takemasa; Tanaka, Shigeru
JAERI-M 86-064, 140 Pages, 1986/04
no abstracts in English
;
Nihon Genshiryoku Gakkai-Shi, 28(5), p.376 - 383, 1986/00
Times Cited Count：0 Percentile：0.00(Nuclear Science & Technology)no abstracts in English
Comments Plasma Phys.Controll.Fus., 26(1A), p.117 - 122, 1984/00
no abstracts in English
; ; ; ; ; ; ; ; ; ; et al.
Japanese Journal of Applied Physics, 23(5), p.L316 - L318, 1984/00
Times Cited Count：4 Percentile：32.11(Physics, Applied)no abstracts in English
; ; Ohara, Yoshihiro; ;
Journal of Nuclear Materials, 128-129, p.713 - 716, 1984/00
Times Cited Count：2 Percentile：29.78(Materials Science, Multidisciplinary)no abstracts in English
;
JAERI-M 9443, 9 Pages, 1981/04
no abstracts in English
Matsuda, Shinzaburo
Japanese Journal of Applied Physics, 13(10), p.1630 - 1635, 1974/10
Times Cited Count：4no abstracts in English
