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Ishimoto, Yuki; Goto, Yoshitaka*; Arai, Takashi; Masaki, Kei; Miya, Naoyuki; Oyama, Naoyuki; Asakura, Nobuyuki
Journal of Nuclear Materials, 350(3), p.301 - 309, 2006/05
Times Cited Count：22 Percentile：79.16(Materials Science, Multidisciplinary)Thermal properties of the redeposition layer on the inner plate of the W-shaped divertor of JT-60U have been measured with laser flash method for the first time so as to estimate transient heat loads onto the divertor. Measurement of a redeposition layer sample of more than 200 m thick showed following results: (1) the bulk density of the redeposition layer is about half of that of carbon fiber composite material; (2) the specific heat of the layer is roughly equal to that of the isotropic graphite; (3) the thermal conductivity of the redeposition layer is two orders of magnitude smaller than that of the carbon fiber composite. The difference between the divertor heat loads and the loss of the plasma stored energy becomes smaller taking account of thermal properties of the redeposition layer on the inner divertor, whereas estimated heat loads due to the ELMs is still larger than the loss. This is probably caused by the poloidal distribution of the thermal properties and heat flux asymmetry inherent in the device.
Kaminaga, Masanori; Kinoshita, Hidetaka; Haga, Katsuhiro; Hino, Ryutaro; Sudo, Yukio
JAERI-Tech 99-051, 56 Pages, 1999/07
no abstracts in English
Kaminaga, Masanori; Hino, Ryutaro; ; ; Nakamura, Fumihito*;
Proc. of 14th Meeting of the Int. Collaboration on Advanced Neutron Sources (ICANS-14), 1, p.269 - 277, 1998/00
no abstracts in English
Nakamura, Kazuyuki; Akiba, Masato
Purazuma, Kaku Yugo Gakkai-Shi, 73(6), p.594 - 599, 1997/06
no abstracts in English
; Saido, Masahiro; Nakamura, Kazuyuki; Akiba, Masato; ; Goto, Yoshitaka*; ; ; Yamaki, Takahiro*; ; et al.
Journal of Nuclear Materials, 233-237(PT.A), p.781 - 786, 1996/00
Times Cited Count：13 Percentile：71.33(Materials Science, Multidisciplinary)no abstracts in English
Nakamura, Kazuyuki; ; Sato, Kazuyoshi; Araki, Masanori; ; Dairaku, Masayuki; Akiba, Masato
Journal of Nuclear Materials, 212-215(Part B), p.1201 - 1205, 1994/00
no abstracts in English
Kunugi, Tomoaki; Akiba, Masato; Ogawa, Masuro; Ise, Hideo*; Yamazaki, Seiichiro*
Fusion Technology, 21, p.1863 - 1867, 1992/05
no abstracts in English
Araki, Masanori; Akiba, Masato; Seki, Masahiro; Dairaku, Masayuki; Ise, Hideo*; Yamazaki, Seiichiro*; Tanaka, Shigeru;
Fusion Engineering and Design, 19, p.101 - 109, 1992/00
Times Cited Count：15 Percentile：77.36(Nuclear Science & Technology)no abstracts in English
