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Journal Articles

High-temperature oxidation of sheath materials using mineral-insulated cables for a simulated severe accident

Nakano, Hiroko; Hirota, Noriaki; Shibata, Hiroshi; Takeuchi, Tomoaki; Tsuchiya, Kunihiko

Mechanical Engineering Journal (Internet), 5(2), p.17-00594_1 - 17-00594_12, 2018/04

no abstracts in English

Journal Articles

Evaluation of bending strain in Nb$$_{3}$$Sn strands of CIC conductor using neutron diffraction

Hemmi, Tsutomu*; Harjo, S.; Kajitani, Hideki*; Suwa, Tomone*; Saito, Toru*; Aizawa, Kazuya; Osamura, Kozo*; Koizumi, Norikiyo*

IEEE Transactions on Applied Superconductivity, 27(4), p.4200905_1 - 4200905_5, 2017/06

 Times Cited Count:0 Percentile:100(Engineering, Electrical & Electronic)

Journal Articles

Status of R&D of high-performance monitoring system under sever accident

Tsuchiya, Kunihiko; Takeuchi, Tomoaki; Komanome, Hirohisa*; Miura, Kuniaki*; Araki, Masanori; Ishihara, Masahiro

Nippon Hozen Gakkai Dai-13-Kai Gakujutsu Koenkai Yoshishu, p.375 - 378, 2016/07

no abstracts in English

Journal Articles

Effects of tensile and compressive strain on critical currents of Nb$$_{3}$$Al strand and cable-in-conduit conductor

Kizu, Kaname; Tsuchiya, Katsuhiko; Shimada, Katsuhiro; Ando, Toshinari*; Hishinuma, Yoshimitsu*; Koizumi, Norikiyo; Matsukawa, Makoto; Miura, Yushi*; Nishimura, Arata*; Okuno, Kiyoshi; et al.

IEEE Transactions on Applied Superconductivity, 16(2), p.872 - 875, 2006/06

 Times Cited Count:1 Percentile:87.36(Engineering, Electrical & Electronic)

no abstracts in English

Journal Articles

$$gamma$$-ray irradiation experiments of collimator key components for the 3GeV-RCS of J-PARC

Kinsho, Michikazu; Ogiwara, Norio; Masukawa, Fumihiro; Takeda, Osamu; Yamamoto, Kazami; Kusano, Joichi

Proceedings of 2005 Particle Accelerator Conference (PAC '05) (CD-ROM), p.1309 - 1311, 2005/00

It was success to develop the radiation resistant components using for beam collimator. Turbo molecular pump could be operated more than 15 MGy of $$gamma$$ ray irradiation dose. Stepping motor developed at JAERI could be operated with good performance in the $$gamma$$ ray dose of more than 70 MGy. PEEK sheathed cables and connector have kept good performance during $$gamma$$ ray irradiation more than the dose of 10 MGy. It was cleared that the function of the heat pipe disappeared at 30 kGy $$gamma$$ ray irradiation dose.

Journal Articles

Present status of 972MHz RF test-stand at JAERI

Hori, Toshihiko*; Chishiro, Etsuji; Yamazaki, Masayoshi*; Suzuki, Hiroyuki*; Hasegawa, Kazuo

Proceedings of 1st Annual Meeting of Particle Accelerator Society of Japan and 29th Linear Accelerator Meeting in Japan, p.212 - 214, 2004/08

no abstracts in English

Journal Articles

RF and timing reference distribution system for J-PARC linac

Kobayashi, Tetsuya; Chishiro, Etsuji; Anami, Shozo*; Yamaguchi, Seiya*; Michizono, Shinichiro*

Proceedings of 1st Annual Meeting of Particle Accelerator Society of Japan and 29th Linear Accelerator Meeting in Japan, p.320 - 322, 2004/08

J-PARC (Japan Proton Accelerator Complex) linac, which is 300 m long, consists of 324 MHz accelerating section of the upstream and 972 MHz section (as future plan) of the downstream. In the klystron gallery, totally about 60 RF source control stations will stand for the klystrons and solid-state amplifiers. The error of the accelerating field must be within $$pm$$ 1 degree in phase and $$pm$$ 1% in amplitude. Thus, the high phase stability is required to the RF reference for all of the low-level RF control systems and the beam monitor systems. This paper presents a final design and the summary of the performance evaluation of the RF reference distribution system including the timing control signal distribution for this linac.

Journal Articles

Application of react-and-wind method to D-shaped test coil using the 20 kA Nb$$_{3}$$Al conductor developed for JT-60SC

Kizu, Kaname; Miura, Yushi; Tsuchiya, Katsuhiko; Koizumi, Norikiyo; Matsui, Kunihiro; Ando, Toshinari*; Hamada, Kazuya; Hara, Eiji*; Imahashi, Koichi*; Ishida, Shinichi; et al.

IEEE Transactions on Applied Superconductivity, 14(2), p.1535 - 1538, 2004/06

 Times Cited Count:1 Percentile:87.89(Engineering, Electrical & Electronic)

no abstracts in English

Journal Articles

Development of a 30 m long Nb$$_{3}$$Al superconducting conductor jacketed with a round-in-square type stainless steel conduit for the toroidal field coils in JT-60SC

Tsuchiya, Katsuhiko; Kizu, Kaname; Miura, Yushi; Ando, Toshinari*; Nakajima, Hideo; Matsukawa, Makoto; Sakasai, Akira; Ishida, Shinichi

Fusion Engineering and Design, 70(2), p.131 - 140, 2004/02

 Times Cited Count:3 Percentile:74.69(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Advanced fusion technologies developed for JT-60 superconducting Tokamak

Sakasai, Akira; Ishida, Shinichi; Matsukawa, Makoto; Akino, Noboru; Ando, Toshinari*; Arai, Takashi; Ezato, Koichiro; Hamada, Kazuya; Ichige, Hisashi; Isono, Takaaki; et al.

Nuclear Fusion, 44(2), p.329 - 334, 2004/02

no abstracts in English

Journal Articles

Advanced fusion technologies developed for JT-60 superconducting Tokamak

Sakasai, Akira; Ishida, Shinichi; Matsukawa, Makoto; Akino, Noboru; Ando, Toshinari*; Arai, Takashi; Ezato, Koichiro; Hamada, Kazuya; Ichige, Hisashi; Isono, Takaaki; et al.

Nuclear Fusion, 44(2), p.329 - 334, 2004/02

 Times Cited Count:7 Percentile:74.66(Physics, Fluids & Plasmas)

no abstracts in English

Journal Articles

Stabilization of RF reference cable for JAERI ERL-FEL

Nagai, Ryoji; Sawamura, Masaru; Kikuzawa, Nobuhiro; Hajima, Ryoichi; Nishimori, Nobuyuki; Minehara, Eisuke

Dai-14-Kai Kasokuki Kagaku Kenkyu Happyokai Hokokushu, p.362 - 364, 2003/00

no abstracts in English

Journal Articles

Rf reference distribution system for the 400-MeV proton linac of the KEK/JAERI joint project

Kobayashi, Tetsuya; Chishiro, Etsuji; Anami, Shozo*; Yamaguchi, Seiya*; Michizono, Shinichiro*

Proceedings of 27th Linear Accelerator Meeting in Japan, p.302 - 304, 2002/08

For the high-intensity proton linac of the KEK/JAERI joint project, the error of the accelerating field must be within $$pm$$1 degree in phase and $$pm$$1% in amplitude. Thus high phase stability is required to the RF reference distribution system. The 12 MHz RF reference is converted to optical signal and distributed to 50 low level RF control systems of klystron and solid-state amplifier stations through the optical fiber links (E/O, O/E and optical fibers). The phase-stabilized optical fiber (PSOF) will be used as an optical transfer line. Characteristics of the optical components (E/O, O/E, PSOF) are measured. The performance of the conventional E/O and O/E is not enough for the requirements. New optimized E/O and O/E for this linac are going to be produced. The total stability of the RF reference transfer system with new optical components will be evaluated.

Journal Articles

Development of Nb$$_{3}$$Sn and NbTi CIC conductors for supercoducting poloidal field coils of JT-60

Miura, Yushi; Kizu, Kaname; Tsuchiya, Katsuhiko; Isono, Takaaki; Matsui, Kunihiro; Sakasai, Akira; Ishida, Shinichi; Matsukawa, Makoto; Ando, Toshinari

IEEE Transactions on Applied Superconductivity, 12(1), p.611 - 614, 2002/03

 Times Cited Count:8 Percentile:53.17(Engineering, Electrical & Electronic)

no abstracts in English

Journal Articles

Evaluation of critical current performance of a Nb$$_{3}$$Al conductor with stainless steel conduit

Koizumi, Norikiyo; Takahashi, Yoshikazu; Nakajima, Hideo; Tsuchiya, Yoshinori; Matsui, Kunihiro; Nunoya, Yoshihiko; Ando, Toshinari; Hiyama, Tadao; Kato, Takashi; Isono, Takaaki; et al.

Teion Kogaku, 36(8), p.478 - 485, 2001/08

no abstracts in English

JAEA Reports

None

*; *; *; *

JNC-TJ3410 2000-020, 80 Pages, 2000/03

JNC-TJ3410-2000-020.pdf:41.34MB

no abstracts in English

JAEA Reports

None

Horita, M.*; Hokari, T.*

JNC-TJ7440 99-022, 378 Pages, 1999/06

JNC-TJ7440-99-022.pdf:14.69MB

no abstracts in English

JAEA Reports

None

*; *; *; *

JNC-TJ7440 99-016, 120 Pages, 1999/03

JNC-TJ7440-99-016.pdf:0.74MB

no abstracts in English

Journal Articles

Study of radiation and thermal aging for cable insulation materials by photoacoustic method

Morita, Yosuke; Yagi, Toshiaki; *

Denki Gakkai Yuden, Zetsuen Zairyo Kenkyukai Shiryo; DEI-99-12, p.23 - 26, 1999/02

no abstracts in English

Journal Articles

Temperature dependence of radiation and thermal aging for cable insulation materials

Morita, Yosuke; Yagi, Toshiaki; *

Denki Gakkai Yuden, Zetsuen Zairyo Kenkyukai Shiryo; DEI-99-13, p.27 - 30, 1999/02

no abstracts in English

67 (Records 1-20 displayed on this page)