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Otsuki, Ryusei*; Nasu, Shoichi*; Fujimori, Ryosuke*; Anada, Kinji*; Ohashi, Kentaro*; Yamamoto, Ryoichi*; Fujii, Kimio; Okubo, Keisuke*
Funtai Oyobi Fummatsu Yakin, 51(8), p.622 - 625, 2004/08
Effects of carbon materials on weight yield of (C
+C
) and weight ratios of C to (C+C) in soot were examined by the Joule resistive heating of four kinds of carbon materials at He gas pressures from 0.7
10
8.010Pa for collector radii of 45, 50 and 55mm. The yields were in the range of 1 to 8% for graphite with hexagonal lattice, and better than those for glassy carbon. The most effective He gas pressure for the fullerene yield were in the range of 4.05.310Pa. Any collector radii dependence of the yields was not observed. The weight ratios of C to (C+C) were about 60 to 70%, and showed neither He gas pressure depenndennce nor collector radii depenndence four kinds of carbon materials.
Tamai, Hiroshi; Kurita, Genichi; Matsukawa, Makoto; Urata, Kazuhiro*; Sakurai, Shinji; Tsuchiya, Katsuhiko; Morioka, Atsuhiko; Miura, Yushi; Kizu, Kaname; Kamada, Yutaka; et al.
Plasma Science and Technology, 6(3), p.2281 - 2285, 2004/06
Times Cited Count：0 Percentile：0.02(Physics, Fluids & Plasmas)High performance steady-state operation for JT-60SC are evaluated by the TOPICS analysis. 
5 and bootstrap current fraction 86% is kept steady at I
=1.5 MA, B
=2 T by neutral beam power of 11 MW. The ERATO-J analysis shows that the external-kink mode with multiple toroidal mode numbers of n=1 and n=2 is stable at 
5.5 at the average ratio of conducting wall radius to plasma minor radius of about 1.2 with the wall stabilisation effect. Resistive wall modes, induced by a close location of the wall to plasma, is expected to be suppressed by the active feedback stabilisation with a set of non-axisymmetric field coils behind the stabilising plates. Further optimisation for the high- accessibility by the plasma shaping is performed with the TOSCA analysis. The plasma shaping factor defined as S=(I/aB)q
and strongly correlated to the plasma elongation and triangularity, is scanned from 4 to 6, which extends the availability of current and pressure profile control for the high performance plasma operation.
Konovalov, S. V.; Mikhailovskii, A. B.*; Tsypin, V. S.*; Galv
o, R. M. 0.*; Nascimento, I. C.*
Plasma Physics Reports, 29(9), p.779 - 784, 2003/09
Times Cited Count：2 Percentile：6.11(Physics, Fluids & Plasmas)The problem of drift stabilization of internal resistive-wall modes (RWMs) in tokamaks is theoretically investigated. The basic assumption of our model is that these modes are unstable in the absence of a conducting wall and stable in the presence of a close-fitting ideally conducting wall, when drift effects are neglected. Stability of the internal RWMs, was estimated for several existing tokamaks contributing to the ITER data base, namely, AUG (ASDEX-Upgrade), DIII-D, JET, TFTR and JT-60U, as well as for the projected ITER-FEAT. It is concluded that although drift effects do not stabilize the internal RWMs in current devices, they should be effective for suppressing these modes in reactor-grade tokamaks.
Takeji, Satoru; Isayama, Akihiko; Ozeki, Takahisa; Tokuda, Shinji; Ishii, Yasutomo; Oikawa, Toshihiro; Ishida, Shinichi; Kamada, Yutaka; Neyatani, Yuzuru; Yoshino, Ryuji; et al.
Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.278 - 297, 2002/09
Times Cited Count：7 Percentile：6.06(Nuclear Science & Technology)no abstracts in English
Tokuda, Shinji
Nuclear Fusion, 41(8), p.1037 - 1045, 2001/08
Times Cited Count：12 Percentile：38.17(Physics, Fluids & Plasmas)no abstracts in English
Tokuda, Shinji
Purazuma, Kaku Yugo Gakkai-Shi, 77(3), p.276 - 283, 2001/03
no abstracts in English
Ishizawa, Akihiro; Tokuda, Shinji
Physics of Plasmas, 7(3), p.875 - 882, 2000/03
Times Cited Count：14 Percentile：41.82(Physics, Fluids & Plasmas)no abstracts in English
Tokuda, Shinji
Journal of Accelerator and Plasma Research, 5(1), p.87 - 108, 2000/00
no abstracts in English
Tokuda, Shinji; *
Physics of Plasmas, 6(8), p.3012 - 3026, 1999/08
Times Cited Count：56 Percentile：83.37(Physics, Fluids & Plasmas)no abstracts in English
ITER Physics Expert Group on Disruptions, Plasma Control, and MHD
Nuclear Fusion, 39(12), p.2251 - 2389, 1999/00
no abstracts in English
Tokuda, Shinji; *
Purazuma, Kaku Yugo Gakkai-Shi, 73(10), p.1141 - 1154, 1997/10
no abstracts in English
Tokuda, Shinji; *
JAERI-Research 97-034, 53 Pages, 1997/05
JAERI-Research-97-034.pdf:1.49MB
no abstracts in English
Nakamura, Yukiharu; Nishio, Satoshi; Yoshino, Ryuji; C.E.Kessel*; S.C.Jardin*
Purazuma, Kaku Yugo Gakkai-Shi, 72(12), p.1387 - 1396, 1996/12
no abstracts in English
Tokuda, Shinji; *
JAERI-Research 96-057, 62 Pages, 1996/11
JAERI-Research-96-057.pdf:1.61MB
no abstracts in English
-collapse-induced vertical displacement event in high tokamak disruptionNakamura, Yukiharu; Yoshino, Ryuji; N.Pomphrey*; S.C.Jardin*
Plasma Physics and Controlled Fusion, 38(10), p.1791 - 1804, 1996/10
Times Cited Count：18 Percentile：53.29(Physics, Fluids & Plasmas)no abstracts in English
Tokuda, Shinji; *
JAERI-Research 96-044, 102 Pages, 1996/08
JAERI-Research-96-044.pdf:2.3MB
no abstracts in English
Tokuda, Shinji; *
JAERI-Data/Code 95-011, 71 Pages, 1995/08
JAERI-Data-Code-95-011.pdf:1.94MB
no abstracts in English
*; ; ; Tsunematsu, Toshihide; Takeda, Tatsuoki
Comput.Phys.Commun., 38, p.339 - 346, 1985/00
Times Cited Count：1 Percentile：20.87(Computer Science, Interdisciplinary Applications)no abstracts in English
*; ; ; Takeda, Tatsuoki
Plasma Physics and Controlled Fusion, 27(5), p.579 - 590, 1985/00
Times Cited Count：3 Percentile：16.97(Physics, Fluids & Plasmas)no abstracts in English
*
JAERI-M 84-225, 82 Pages, 1984/12
no abstracts in English
