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Tsuchiya, Katsuhiko; Akiba, Masato; Azechi, Hiroshi*; Fujii, Tsuneyuki; Fujita, Takaaki; Fujiwara, Masami*; Hamamatsu, Kiyotaka; Hashizume, Hidetoshi*; Hayashi, Nobuhiko; Horiike, Hiroshi*; et al.
Fusion Engineering and Design, 81(8-14), p.1599 - 1605, 2006/02
Times Cited Count：1 Percentile：9.98(Nuclear Science & Technology)no abstracts in English
Ushigome, Masahiro*; Ide, Shunsuke; Ito, Satoshi*; Jotaki, Eriko*; Mitarai, Osamu*; Shiraiwa, Shunichi*; Suzuki, Takahiro; Takase, Yuichi*; Tanaka, Shigetoshi*; Fujita, Takaaki; et al.
Nuclear Fusion, 46(2), p.207 - 213, 2006/02
Times Cited Count：11 Percentile：37.01(Physics, Fluids & Plasmas)This papaer studies on tokamak plasma start-up completely without central solenoid (CS). On the JT-60 tokamak it is demonstrated that a completely CS-less Ip start-up to 100 kA was achieved even without any null-point by Electron cyclotron range of frequencies (ECRF) and outer PF coil current swing only. Necessary conditions (the EC power, the toroidal field etc.) were clarified. Moreover, it was succeded to maintain Ip = 260kA for 1 sec without CS by NB only. In addition Ip ramp-up by EC and NB only (without LHCD) from 215 to 310kA was achieved. In a high confinement reversed shear discharge, a result suggesting bootstrap over drive was obtained.
Sakamoto, Yoshiteru; Fujita, Takaaki; Ide, Shunsuke; Isayama, Akihiko; Takechi, Manabu; Suzuki, Takahiro; Takenaga, Hidenobu; Oyama, Naoyuki; Kamada, Yutaka; JT-60 Team
Nuclear Fusion, 45(7), p.574 - 580, 2005/07
Times Cited Count：43 Percentile：76.9(Physics, Fluids & Plasmas)This paper reports results on the progress in stationary discharges with a large bootstrap current fraction in JT-60U towards steady-state tokamak operation. In weak shear plasma regime, high-_p ELMy H-mode discharges have been optimized under nearly full non-inductive current drive by the large bootstrap current fraction (fBS
50%) and the beam driven current fraction (fBD
40%), which was sustained for 2.3s with stationary condition. The high confinement enhancement factor H892.3 (HH98y21.0) was also sustained under the condition of TeTi. In reversed shear plasma regime, the large bootstrap current fraction (fBS75%) has been sustained for 7.4 s under nearly full non-inductive current drive condition. The high confinement enhancement factor H893.0 (HH98y21.7) was also sustained, and the profiles of current and pressure approached the stationary condition. The large bootstrap current and the off-axis beam driven current sustained this reversed q-profile. This duration was limited only by the duration of the neutral beam injection.
Shiraiwa, Shunichi*; Ide, Shunsuke; Ito, Satoshi*; Mitarai, Osamu*; Naito, Osamu; Ozeki, Takahisa; Sakamoto, Yoshiteru; Suzuki, Takahiro; Takase, Yuichi*; Tanaka, Shigetoshi*; et al.
Physical Review Letters, 92(3), p.035001_1 - 035001_4, 2004/01
Times Cited Count：48 Percentile：82.94(Physics, Multidisciplinary)no abstracts in English
Fukuda, Takeshi; JT-60 Team
Plasma Physics and Controlled Fusion, 44(12B), p.B39 - B52, 2002/12
Times Cited Count：7 Percentile：24.31(Physics, Fluids & Plasmas)no abstracts in English
Fujita, Takaaki; Kamada, Yutaka; Ide, Shunsuke; Takeji, Satoru; Sakamoto, Yoshiteru; Isayama, Akihiko; Suzuki, Takahiro; Oikawa, Toshihiro; Fukuda, Takeshi; JT-60 Team
Nuclear Fusion, 42(2), p.180 - 186, 2002/02
Times Cited Count：31 Percentile：68.29(Physics, Fluids & Plasmas)no abstracts in English
Kawano, Yasunori; Kusama, Yoshinori
Genshiryoku eye, 47(11), p.29 - 33, 2001/11
no abstracts in English
Fujita, Takaaki; Ide, Shunsuke; Kamada, Yutaka; Suzuki, Takahiro; Oikawa, Toshihiro; Takeji, Satoru; Sakamoto, Yoshiteru; Koide, Yoshihiko; Isayama, Akihiko; Hatae, Takaki; et al.
Physical Review Letters, 87(8), p.085001_1 - 085001_4, 2001/08
Times Cited Count：183 Percentile：95.95(Physics, Multidisciplinary)no abstracts in English
Nishio, Satoshi; Ushigusa, Kenkichi; Ueda, Shuzo; Polevoi, A.*; Kurita, Genichi; Tobita, Kenji; Kurihara, Ryoichi; Hu, G.; Okada, Hidetoshi*; Murakami, Yoshiki*; et al.
JAERI-Research 2000-029, 105 Pages, 2000/10
JAERI-Research-2000-029.pdf:4.19MB
no abstracts in English
Sakasai, Akira; JT-60 Team
Proceedings of 17th IEEE/NPSS Symposium Fusion Engineering (SOFE'97), 1, p.18 - 25, 1998/00
no abstracts in English
Koide, Yoshihiko; JT-60 Team
Physics of Plasmas, 4(5), p.1623 - 1631, 1997/05
Times Cited Count：76 Percentile：90.05(Physics, Fluids & Plasmas)no abstracts in English
Kimura, Haruyuki; Saigusa, Mikio; Kondoh, Takashi; Ozeki, Takahisa; Moriyama, Shinichi; Fujii, Tsuneyuki
Purazuma, Kaku Yugo Gakkai-Shi, 71(11), p.1147 - 1164, 1995/11
no abstracts in English
Ide, Shunsuke; Naito, Osamu; Kondoh, Takashi; Fujita, Takaaki; Matsuoka, Mamoru*; Ikeda, Yoshitaka; Ushigusa, Kenkichi; JT-60 Team
IAEA-CN-60/A5-4, 0, p.641 - 650, 1995/00
no abstracts in English
Mori, Masahiro; JT-60 Team
Plasma Physics and Controlled Fusion, 36(SUPPL 12B), p.B181 - B191, 1994/12
Times Cited Count：5 Percentile：20.51(Physics, Fluids & Plasmas)no abstracts in English
and high-
values in JT-60UKamada, Yutaka; Ushigusa, Kenkichi; Naito, Osamu; Neyatani, Yuzuru; Ozeki, Takahisa; Tobita, Kenji; Ishida, Shinichi; Yoshino, Ryuji; Kikuchi, Mitsuru; Mori, Masahiro; et al.
Nuclear Fusion, 34(12), p.1605 - 1618, 1994/00
Times Cited Count：48 Percentile：79.75(Physics, Fluids & Plasmas)no abstracts in English
Miya, Naoyuki; *; Ushigusa, Kenkichi; Oikawa, Akira; Imai, Tsuyoshi; ; Nishitani, Takeo; Matsuzaki, Yoshimi; Kuriyama, Masaaki;
JAERI-M 92-140, 156 Pages, 1992/09
no abstracts in English
Mori, Masahiro; Kimura, Haruyuki; Tanaka, Shigeru
Kaku Yugo Kenkyu, 63(3), p.161 - 176, 1990/03
no abstracts in English
Uehara, Kazuya; Naito, Osamu; Seki, Masami; Hoshino, Katsumichi
Physical Review Letters, 64(7), p.757 - 760, 1990/02
Times Cited Count：4 Percentile：46.26(Physics, Multidisciplinary)no abstracts in English
B.B.Kadomtsev*; F.S.Troyon*; M.L.Watkins*; P.H.Rutherford*; Yoshikawa, Masaji; V.S.Mukhovatov*
Nuclear Fusion, 30(9), p.1675 - 1694, 1990/00
Times Cited Count：18 Percentile：56.83(Physics, Fluids & Plasmas)no abstracts in English
