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Sakaguchi, Shinobu; Tachibana, Ikuya; Koshino, Katsuhiko; Shirozu, Hidetomo; Shirai, Nobutoshi; Imamoto, Nobuo; Tomita, Tsuneo; Tobita, Hiroo; Yamanaka, Atsushi; Kobayashi, Daisuke; et al.
JAEA-Technology 2011-006, 24 Pages, 2011/03
JAEA-Technology-2011-006.pdf:3.07MB
In the Niigataken Chuetsu-oki Earthquake on 2007, observed earthquake motion exceeded design base at the Kashiwazaki Kariwa nuclear plant. However, there was no earthquake damage in safety important equipments to stop reactor, to cool reactor, and to contain radioactive materials. One of this reason is said that many safety margin are included in the design and the permissible value. To know more accurate safety margin, shearing force examinations for the base bolts were conducted. In examinations, delegate test-bolts were made; the test bolts were selected from heavier equipment in Tokai Reprocessing Plant. In this report, the shearing strength obtained from the examinations shows more accurate safety margin.
Kamada, Yutaka; Fujita, Takaaki; Ishida, Shinichi; Kikuchi, Mitsuru; Ide, Shunsuke; Takizuka, Tomonori; Shirai, Hiroshi; Koide, Yoshihiko; Fukuda, Takeshi; Hosogane, Nobuyuki; et al.
Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.185 - 254, 2002/09
Times Cited Count：34 Percentile：48.48(Nuclear Science & Technology)With the main aim of providing physics basis for ITER and the steady-state tokamak reactors, JT-60/JT-60U has been developing and optimizing the operational concepts, and extending the discharge regimes toward sustainment of high integrated performance in the reactor relevant parameter regime. In addition to achievement of the equivalent break-even condition (QDTeq up to 1.25) and a high fusion triple product = 1.5E21 m-3skeV, JT-60U has demonstrated the integrated performance of high confinement, high beta-N, full non-inductive current drive with a large fraction of bootstrap current in the reversed magnetic shear and in the high-beta-p ELMy H mode plasmas characterized by both internal and edge transport barriers. The key factors in optimizing these plasmas are profile and shape controls. As represented by discovery of various Internal Transport Barriers, JT-60/JT-60U has been emphasizing freedom and restriction of profiles in various confinement modes. JT-60U has demonstrated applicability of these high confinement modes to ITER and also clarified remaining issues.
Nakamura, Hiroo; Hirayama, Toshio; Koide, Yoshihiko; Tobita, Kenji; Tani, Keiji; Fukuda, Takeshi; Kubo, Hirotaka; Kuriyama, Masaaki; Kusama, Yoshinori; Sakasai, Akira; et al.
Physical Review Letters, 67(19), p.2658 - 2661, 1991/11
Times Cited Count：33 Percentile：82.63(Physics, Multidisciplinary)no abstracts in English
Nakamura, Hiroo; Tsuji, Shunji; Shimizu, Katsuhiro; Hirayama, Toshio; Hosogane, Nobuyuki; Yoshida, Hidetoshi; Tobita, Kenji; Koide, Yoshihiko; Nishitani, Takeo; Nagashima, Keisuke; et al.
Kaku Yugo Kenkyu, 65(SPECIAL ISSUE), p.261 - 285, 1991/03
no abstracts in English
Tobita, Kenji; Kusama, Yoshinori; Nakamura, Hiroo; Ito, Takao; Tsukahara, Yoshimitsu; Nemoto, Masahiro; Kubo, Hirotaka; Takeuchi, Hiroshi; Kuriyama, Masaaki; Matsuoka, Mamoru; et al.
Nuclear Fusion, 31(5), p.956 - 960, 1991/00
Times Cited Count：6 Percentile：35.24(Physics, Fluids & Plasmas)no abstracts in English
Nakamura, Hiroo; Tobita, Kenji; Hirayama, Toshio; Koide, Yoshihiko; Arai, Takashi; Kuriyama, Masaaki; Kubo, Hirotaka; Kusama, Yoshinori; Sugie, Tatsuo; Sugihara, Masayoshi; et al.
Fusion Technology, 18, p.578 - 582, 1990/12
no abstracts in English
Tsuji, Shunji; Ushigusa, Kenkichi; Ikeda, Yoshitaka; Imai, Tsuyoshi; Itami, Kiyoshi; Nemoto, Masahiro; Nagashima, Keisuke; Koide, Yoshihiko; Kawano, Yasunori; Fukuda, Takeshi; et al.
Physical Review Letters, 64(9), p.1023 - 1026, 1990/02
Times Cited Count：55 Percentile：88.37(Physics, Multidisciplinary)no abstracts in English
Fujii, Tsuneyuki; Saigusa, Mikio; Kimura, Haruyuki; *; Tobita, Kenji; Nemoto, Masahiro; Kusama, Yoshinori; Seki, Masami; Moriyama, Shinichi; Nishitani, Takeo; et al.
Fusion Engineering and Design, 12, p.139 - 148, 1990/00
Times Cited Count：25 Percentile：89.06(Nuclear Science & Technology)no abstracts in English
