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Journal Articles

Development of gyrotron and JT-60U EC heating system for fusion reactor

Sakamoto, Keishi; Kasugai, Atsushi; Ikeda, Yoshitaka; Hayashi, Kenichi*; Takahashi, Koji; Kajiwara, Ken; Moriyama, Shinichi; Seki, Masami; Kariya, Tsuyoshi*; Mitsunaka, Yoshika*; et al.

Proceedings of 19th IAEA Fusion Energy Conference (FEC 2002) (CD-ROM), 5 Pages, 2002/10

The development of a key EC component, 1 MW gyrotron, and integration of the EC technologies on JT-60U EC system have been carried out. In the development of 1 MW gyrotron, the output of 1.3 MW was achieved. In pulse extension experiment, the outputs of 0.9 MW for 9.2 second and 0.5 MW for 30 sec. at 170 GHz, and 1.2 MW for 4.1 sec. at 110 GHz. In the JT-60U EC system, the maximum injection performances were 3 MW for 2sec, and contributed to produce high electron temperature plasma of 26 keV.

Journal Articles

The 110-GHz electron cyclotron range of frequency system on JT-60U; Design and operation

Ikeda, Yoshitaka; Kasugai, Atsushi; Moriyama, Shinichi; Kajiwara, Ken*; Seki, Masami; Tsuneoka, Masaki*; Takahashi, Koji; Anno, Katsuto; Hamamatsu, Kiyotaka; Hiranai, Shinichi; et al.

Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.435 - 451, 2002/09

 Times Cited Count:24 Percentile:82.32(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Temperature evaluation of irradiation specimens in the HTTR for innovative basic research

Ishihara, Masahiro; Baba, Shinichi; Takahashi, Tsuneo*; Aihara, Jun; Shibata, Taiju; Hoshiya, Taiji

JAERI-Tech 2002-054, 169 Pages, 2002/07

JAERI-Tech-2002-054.pdf:5.93MB

no abstracts in English

Journal Articles

Proposal of a brittle fracture model based on pore and crack interaction effect

Ishihara, Masahiro; Takahashi, Tsuneo*

Zairyo, 51(4), p.425 - 430, 2002/04

no abstracts in English

JAEA Reports

Data on HTTR irradiation test specimens; The First and second irradiation tests

Baba, Shinichi; Ishihara, Masahiro; Suzuki, Yoshio*; Takahashi, Tsuneo*; Hoshiya, Taiji

JAERI-Data/Code 2002-008, 126 Pages, 2002/03

JAERI-Data-Code-2002-008.pdf:4.82MB

no abstracts in English

Journal Articles

High-efficiency oscillation of 170GHz high-power gyrotron at TE$$_{31.8}$$ mode with depressed collector

Shoyama, Hiroaki; Sakamoto, Keishi; Hayashi, Kenichi*; Kasugai, Atsushi; Tsuneoka, Masaki; Takahashi, Koji; Ikeda, Yukiharu; Kariya, Tsuyoshi*; Mitsunaka, Yoshika*; Imai, Tsuyoshi

Japanese Journal of Applied Physics, Part 2, 40(8B), p.L906 - L908, 2001/08

 Times Cited Count:27 Percentile:72.26(Physics, Applied)

no abstracts in English

Journal Articles

Applicability of advanced design method of graphite components by microstructure-based brittle fracture model

Ishihara, Masahiro; Takahashi, Tsuneo*; Hanawa, Satoshi

Transactions of 16th International Conference on Structural Mechanics in Reactor Technology (SMiRT-16) (CD-ROM), 8 Pages, 2001/08

no abstracts in English

JAEA Reports

An Irradiation test of heat-resistant ceramic composite materials; Interim report on post-irradiation examinations of the first preliminary irradiation test 97M-13A

Baba, Shinichi; Suzuki, Yoshio*; Takahashi, Tsuneo*; Ishihara, Masahiro; Hayashi, Kimio; Saito, Tamotsu; Sozawa, Shizuo; Saito, Takashi; Sekino, Hajime

JAERI-Research 2001-028, 109 Pages, 2001/03

JAERI-Research-2001-028.pdf:4.55MB

no abstracts in English

JAEA Reports

Mechanical property of superplastic-deformed ceramics by micro-indentation method

Shibata, Taiju; Ishihara, Masahiro; Takahashi, Tsuneo*; Motohashi, Yoshinobu*; Hayashi, Kimio

JAERI-Research 2001-024, 24 Pages, 2001/03

JAERI-Research-2001-024.pdf:6.25MB

no abstracts in English

JAEA Reports

Effect of coarse-grains on strength and fracture toughness of fine-grained graphite

Takahashi, Tsuneo*; Ishihara, Masahiro; Baba, Shinichi; Arai, Taketoshi; Hayashi, Kimio; Konishi, Takashi*

JAERI-Research 2001-005, 62 Pages, 2001/03

JAERI-Research-2001-005.pdf:6.8MB

no abstracts in English

Journal Articles

1 MW and long pulse operation of Gaussian beam output gyrotron with CVD diamond window for fusion devices

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

Fusion Engineering and Design, 53(1-4), p.399 - 406, 2001/01

 Times Cited Count:17 Percentile:76.5(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Initial results of electron cycloton range of frequency (ECRF) operation and experiments in JT-60U

Ikeda, Yoshitaka; Kasugai, Atsushi; Takahashi, Koji; Kajiwara, Ken; Isayama, Akihiko; Ide, Shunsuke; Terakado, Masayuki; Shinozaki, Shinichi; Yokokura, Kenji; Anno, Katsuto; et al.

Fusion Engineering and Design, 53(1-4), p.351 - 363, 2001/01

 Times Cited Count:35 Percentile:91.25(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Effects of superplastic deformation on dynamic hardness and young's modulus of 3Y-TZP

Shibata, Taiju; Ishihara, Masahiro; Takahashi, Tsuneo*; Motohashi, Yoshinobu*

Proceedings of Asian Pacific Conference on Fracture and Strength '01(APCFS '01) and International Conference on Advanced Technology in Experimental Mechanics '01 (ATEM '01), p.894 - 898, 2001/00

no abstracts in English

Journal Articles

Probabilistic distribution of tensile strength of nuclear grade graphite on the basis of mesoscopic microstructure

Ishihara, Masahiro; Takahashi, Tsuneo*; Hanawa, Satoshi

Proceedings of Asian Pacific Conference on Fracture and Strength '01(APCFS '01) and International Conference on Advanced Technology in Experimental Mechanics '01 (ATEM '01), p.152 - 156, 2001/00

no abstracts in English

Journal Articles

Understanding of mechanical properties of graphite on the basis of mesoscopic microstructure (Review)

Ishihara, Masahiro; Shibata, Taiju; Takahashi, Tsuneo*; Baba, Shinichi; Hoshiya, Taiji

Proceedings of OECD/NEA 2nd Information Exchange Meeting on Basic Studies in the Field of High-temperature Engineering, p.225 - 241, 2001/00

no abstracts in English

Journal Articles

Development of 100GHz band high power gyrotron

Shoyama, Hiroaki; Sakamoto, Keishi; Hayashi, Kenichi*; Kasugai, Atsushi; Takahashi, Koji; Tsuneoka, Masaki; Ikeda, Yukiharu; Kariya, Tsuyoshi*; Mitsunaka, Yoshika*; Imai, Tsuyoshi

Shingaku Giho, 100(506), p.39 - 44, 2000/12

no abstracts in English

Journal Articles

Development of high power gyrotron for ECH system

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

Heisei-12-Nendo Denki Gakkai Genshiryoku Kenkyu Shiryo (NE-00-4), p.19 - 24, 2000/09

no abstracts in English

Journal Articles

Development of 110GHz band gyrotrons and its application for JT-60U and ITER

Sakamoto, Keishi; Kasugai, Atsushi; Shoyama, Hiroaki; Hayashi, Kenichi*; Takahashi, Koji; Tsuneoka, Masaki; Ikeda, Yukiharu; Ikeda, Yoshitaka; Kajiwara, Ken; Moriyama, Shinichi; et al.

25th International Conference on Infrared and Millimeter Waves Conference Digest, p.11 - 12, 2000/00

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

Journal Articles

Effects of Grain and pore size distributions on strength of graphite

Takahashi, Tsuneo*; Ishihara, Masahiro; Baba, Shinichi; Hayashi, Kimio; Arai, Taketoshi; Konishi, Takashi*

Proceedings of 1st World Conference of Carbon (EUROCARBON 2000), 1, p.397 - 400, 2000/00

no abstracts in English

46 (Records 1-20 displayed on this page)