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Sato, Toshinori; Sato, Toshinori; Mikake, Shinichiro; Imazu, Masanori; Tamai, Takeshi; Sakamaki, Masanori
Saikuru Kiko Giho, (20), p.31 - 43, 2003/09
None
Fukuda, Takeshi; Oikawa, Toshihiro; Takeji, Satoru; Isayama, Akihiko; Kawano, Yasunori; Neyatani, Yuzuru; Nagashima, Akira; Nishitani, Takeo; Konoshima, Shigeru; Tamai, Hiroshi; et al.
Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.357 - 367, 2002/09
Times Cited Count：7 Percentile：44.29(Nuclear Science & Technology)no abstracts in English
Sugie, Tatsuo; Hatae, Takaki; Koide, Yoshihiko; Fujita, Takaaki; Kusama, Yoshinori; Nishitani, Takeo; Isayama, Akihiko; Sato, Masayasu; Shinohara, Koji; Asakura, Nobuyuki; et al.
Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.482 - 511, 2002/09
Times Cited Count：6 Percentile：3.03(Nuclear Science & Technology)The diagnostic system of JT-60U (JT-60upgrade) is composed of about 50 individual diagnostic devices. Recently, the detailed radial profile measurements of plasma parameters have been improved, so that the internal structure of plasmas has been explored. The understanding of plasma confinement has been enhanced by density and temperature fluctuation measurements using a mm-wave reflectometer and electron cyclotron emission measurements respectively. In addition, the real-time control experiments of electron density, neutron yield, radiated power and electron temperature gradient have been carried out successfully by corresponding diagnostic devices. These measurements and the real time control contribute to improving plasma performance. Diagnostic devices for next generation fusion devices such as a CO2 laser interferometer/polarimeter and a CO2 laser collective Thomson scattering system have been developed.
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.
Takizuka, Tomonori; Fukuda, Takeshi; Kamada, Yutaka; Kikuchi, Mitsuru; Matsuda, Toshiaki; Miura, Yukitoshi; Naito, Osamu; Tamai, Hiroshi; D.Boucher*; G.Bracco*; et al.
Fusion Energy 1996, 2, p.795 - 806, 1997/00
no abstracts in English
Izumi, Yoshinori; Kitamura, Takafumi; Kimoto, Toru; Suzuki, Mitsutoshi; Inoue, Takeshi; Naoi, Yosuke; Tamai, Hiroshi; Yamamura, Tsukasa; Kadota, Koshu*
no journal, ,
With the growing number of countries being interested in nuclear energy as a means for climate change and energy security concern, the importance of the compliance is again pointed out not only with the nuclear safety but also with the nuclear non-proliferation. Based on the abovementioned common acknowledgement, with the international collaboration, 3S initiative for the assurance of the nuclear non proliferation (safeguards), safety, and security, was proposed in Toyako summit G8 leaders declaration, and its importance was reaffirmed in LAquila summit G8 leaders declaration. In the paper, the result of study for the concrete measure of the 3S initiative will be introduced from the point of synergy effect on Fostering the 3S culture, Enforcement of the 3S package between software and hardware, Technology development for 3S, and Public acceptance activity for 3S.
