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Journal Articles

Overview of the national centralized tokamak programme

Kikuchi, Mitsuru; Tamai, Hiroshi; Matsukawa, Makoto; Fujita, Takaaki; Takase, Yuichi*; Sakurai, Shinji; Kizu, Kaname; Tsuchiya, Katsuhiko; Kurita, Genichi; Morioka, Atsuhiko; et al.

Nuclear Fusion, 46(3), p.S29 - S38, 2006/03

 Times Cited Count:13 Percentile:54.28(Physics, Fluids & Plasmas)

The National Centralized Tokamak (NCT) facility program is a domestic research program for advanced tokamak research to succeed JT-60U incorporating Japanese university accomplishments. The mission of NCT is to establish high beta steady-state operation for DEMO and to contribute to ITER. The machine flexibility and mobility is pursued in aspect ratio and shape controllability, feedback control of resistive wall modes, wide current and pressure profile control capability for the demonstration of the high-b steady state.

Journal Articles

Report on ITPA (International Tokamak Physics Activity) meeting, 14

Sakamoto, Yoshiteru; Toi, Kazuo*; Fukuda, Takeshi*; Fukuyama, Atsushi*; Fujita, Takaaki; Ogawa, Yuichi*; Takizuka, Tomonori; Takenaga, Hidenobu; Yagi, Masatoshi*; Yamada, Hiroshi*; et al.

Purazuma, Kaku Yugo Gakkai-Shi, 81(8), p.626 - 627, 2005/08

no abstracts in English

Journal Articles

Meeting report of internatinal tokamak physics activity, 12

Sakamoto, Yoshiteru; Toi, Kazuo*; Fukuda, Takeshi*; Fukuyama, Atsushi*; Fujita, Takaaki; Ogawa, Yuichi*; Takizuka, Tomonori; Miura, Yukitoshi; Yagi, Masatoshi*; Yamada, Hiroshi*; et al.

Purazuma, Kaku Yugo Gakkai-Shi, 80(8), P. 678, 2004/08

no abstracts in English

JAEA Reports

Control of electron beam current of high power gyrotron for CW operation

Minami, Ryutaro; Kobayashi, Noriyuki*; Sakamoto, Keishi; Kasugai, Atsushi; Takahashi, Koji; Imai, Tsuyoshi

JAERI-Research 2004-006, 17 Pages, 2004/03

JAERI-Research-2004-006.pdf:1.37MB

no abstracts in English

Journal Articles

Performance of ITER as a burning plasma experiment

Shimada, Michiya; Mukhovatov, V.*; Federici, G.*; Gribov, Y.*; Kukushkin, A.*; Murakami, Yoshiki*; Polevoi, A. R.*; Pustovitov, V. D.*; Sengoku, Seio; Sugihara, Masayoshi

Nuclear Fusion, 44(2), p.350 - 356, 2004/02

Recent performance analysis has improved confidence in achieving Q $$>$$ 10 in inductive operation in ITER. Performance analysis based on empirical scaling shows the feasibility of achieving Q $$>$$ 10 in inductive operation with a sufficient margin. Theory-based core modeling indicates the need of high pedestal temperature (2-4 keV) to achieve Q $$>$$ 10, which is in the range of projection with pedestal scaling. The heat load of type-I ELM could be made tolerable by high density operation and further tilting the target plate (if necessary). Pellet injection from High-Field Side would be useful in enhancing Q and reducing ELM heat load. Steady state operation scenarios have been developed with modest requirement on confinement improvement and beta (HH98(y,2) $$>$$ 1.3 and betaN $$>$$ 2.6). Stabilisation of RWM, required in such regimes, is feasible with the present saddle coils and power supplies with double-wall structure taken into account.

Journal Articles

Evaluation of plasma current profile on a low-aspect-ratio tokamak reactor

Sengoku, Seio

Denki Gakkai Purazuma Kenkyukai Shiryo (PST-03-41), p.23 - 26, 2003/09

no abstracts in English

Journal Articles

Objectives and design of the JT-60 superconducting tokamak

Ishida, Shinichi; Abe, Katsunori*; Ando, Akira*; Chujo, T.*; Fujii, Tsuneyuki; Fujita, Takaaki; Goto, Seiichi*; Hanada, Kazuaki*; Hatayama, Akiyoshi*; Hino, Tomoaki*; et al.

Nuclear Fusion, 43(7), p.606 - 613, 2003/07

no abstracts in English

Journal Articles

ITPA (International Tokamak Physics Activity) meeting report, 6

Ide, Shunsuke; Fukuda, Takeshi; Miura, Yukitoshi

Purazuma, Kaku Yugo Gakkai-Shi, 79(2), P. 194, 2003/02

no abstracts in English

Journal Articles

Development of high-performance discharges with transport barriers in JT-60U

Fukuda, Takeshi; JT-60 Team

Plasma Physics and Controlled Fusion, 44(12B), p.B39 - B52, 2002/12

 Times Cited Count:7 Percentile:73.78(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Conceptual design of tokamak high power reactor (A-SSTR2)

Nishio, Satoshi; Tobita, Kenji; Ushigusa, Kenkichi; Konishi, Satoshi

Purazuma, Kaku Yugo Gakkai-Shi, 78(11), p.1218 - 1230, 2002/11

no abstracts in English

Journal Articles

Reports on the ITPA (International Tokamak Physics Activity) Meeting on "MHD, Disruption and Plasma Control" and "Energetic Particles, Heating and Steady-State Operation"

Iio, Shunji*; Ide, Shunsuke; Ozeki, Takahisa; Sugihara, Masayoshi; Takase, Yuichi*; Takeji, Satoru*; Tobita, Kenji; Fukuyama, Atsushi*; Miyamoto, Kenro*

Purazuma, Kaku Yugo Gakkai-Shi, 78(6), P. 601, 2002/06

no abstracts in English

Journal Articles

Engineering design study of JT-60 superconducting modification

Sakasai, Akira; Ishida, Shinichi; Matsukawa, Makoto; Kurita, Genichi; Akino, Noboru; Ando, Toshinari*; Arai, Takashi; Ichige, Hisashi; Kaminaga, Atsushi; Kato, Takashi; et al.

Proceedings of 19th IEEE/NPSS Symposium on Fusion Engineering (SOFE), p.221 - 225, 2002/00

no abstracts in English

Journal Articles

Exploration of fusion energy; JT-60 develops the ITER steady-state operation

Kawano, Yasunori; Kusama, Yoshinori

Genshiryoku eye, 47(11), p.29 - 33, 2001/11

no abstracts in English

Journal Articles

Progress of JT-60U facilities and experimental research toward steady high performance plasmas

Hosogane, Nobuyuki; JT-60 Team

Fusion Engineering and Design, 56-57, p.813 - 817, 2001/10

 Times Cited Count:2 Percentile:79.11(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Prediction of performance in ITER-FEAT

Matsumoto, Hiroshi; Barabaschi, P.*; Murakami, Yoshiki*

Fusion Technology, 40(1), p.37 - 51, 2001/07

Recently, technical objectives of ITER were redefined aiming at the cost reduction of about 50% from the 1998 ITER design. Machine parameters which would satisfy the revised technical requirements under the engineering constraints were specified using a system code. The performance of these machines were studied and compared. As a result of these studies, final machine parameters were determined with revised conservative physics assumptions. This machine is referred as ITER-FEAT. It was shown that ITER-FEAT would achieve Q=10 in inductive operation with reasonable and conservative assumptions. Also, with an efficient current drive system and modest confinement improvement, possibility of Q=5 non-inductive operations in a steady state was shown.

Journal Articles

Performance assessment of ITER-FEAT

Murakami, Yoshiki*; Senda, Ikuo; Chudnovskiy, A.*; Vayakis, G.*; Polevoi, A. R.*; Shimada, Michiya

Purazuma, Kaku Yugo Gakkai-Shi, 73(7), p.712 - 729, 2001/07

no abstracts in English

Journal Articles

Formation condition of internal transport barrier

Fukuda, Takeshi; ITB Database Working Group

Europhysics Conference Abstracts (CD-ROM), 25A, p.1349 - 1352, 2001/00

no abstracts in English

Journal Articles

JT-60U experimental results aimed at steady-state operation of a tokamak reactor

Ninomiya, Hiromasa; JT-60 Team

Fusion Engineering and Design, 51-52(Part.B), p.1015 - 1023, 2000/11

 Times Cited Count:1 Percentile:87.33(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Plan of JT-60 modificatoin

Ishida, Shinichi; Matsuda, Shinzaburo

Purazuma, Kaku Yugo Gakkai-Shi, 76(6), p.601 - 603, 2000/06

no abstracts in English

Journal Articles

Development of long pulsed gyrotron for fusion device

Shoyama, Hiroaki; Kasugai, Atsushi; Sakamoto, Keishi; Takahashi, Koji; Tsuneoka, Masaki; Ikeda, Yukiharu; Kajiwara, Ken; Ikeda, Yoshitaka; Fujii, Tsuneyuki; Kariya, Tsuyoshi*; et al.

Journal of Plasma and Fusion Research SERIES, Vol.3, p.368 - 371, 2000/00

no abstracts in English

36 (Records 1-20 displayed on this page)