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JAEA Reports

Research and development plan of fusion technologies in JAERI toward DEMO reactors

Department of Fusion Engineering Research

JAERI-Review 2005-011, 139 Pages, 2005/03

JAERI-Review-2005-011.pdf:11.95MB

no abstracts in English

JAEA Reports

Beamlet interaction in multi-aperture negative ion source

Fujiwara, Yukio; Hanada, Masaya; Kawai, Kenichi*; *; Miyamoto, Kenji; Okumura, Yoshikazu; Watanabe, Kazuhiro

JAERI-Research 99-013, 32 Pages, 1999/02

JAERI-Research-99-013.pdf:1.51MB

no abstracts in English

Journal Articles

Radiation induced conductivity and voltage holding characterisics of insulation gas for the ITER-NBI

Fujiwara, Yukio; Hanada, Masaya; Inoue, Takashi; Miyamoto, Kenji; Miyamoto, Naoki*; Ohara, Yoshihiro; Okumura, Yoshikazu; Watanabe, Kazuhiro

Proc. of Joint Meeting of 8th Int. Symp. on the Production and Neutralization of Negative Ions & Beams, p.205 - 215, 1997/00

no abstracts in English

Journal Articles

High power negative ion sources for fusion at the Japan Atomic Energy Research Institute

Okumura, Yoshikazu; Fujiwara, Yukio; Inoue, Takashi; Miyamoto, Kenji; Miyamoto, Naoki*; Nagase, Akihito*; Ohara, Yoshihiro; Watanabe, Kazuhiro

Review of Scientific Instruments, 67(3), p.1092 - 1097, 1996/03

https://doi.org/10.1063/1.1146766
 Times Cited Count：31 Percentile：87.44(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Development of a 500 keV, 22A D$$^{-}$$ ion source for the neutral beam injector for JT-60U

Okumura, Yoshikazu; Fujiwara, Yukio; Honda, Atsushi; Inoue, Takashi; Kuriyama, Masaaki; Miyamoto, Kenji; Miyamoto, Naoki*; Mogaki, Kazuhiko; Nagase, Akihito*; Ohara, Yoshihiro; et al.

Review of Scientific Instruments, 67(3), p.1018 - 1020, 1996/03

https://doi.org/10.1063/1.1146743
 Times Cited Count：29 Percentile：86.28(Instruments & Instrumentation)

no abstracts in English

JAEA Reports

Design study on a 1MeV, 12.5MW neutral beam injector module for ITER

Okumura, Yoshikazu; Hanada, Masaya; Inoue, Takashi; *; *; Miyamoto, Kenji; Ohara, Yoshihiro; Watanabe, Kazuhiro; S.Zimin*

JAERI-Tech 95-018, 104 Pages, 1995/03

JAERI-Tech-95-018.pdf:2.72MB

no abstracts in English

Journal Articles

Merging beam experiment of intense negative ions for advanced compact neutral beam injectors

Inoue, Takashi; Miyamoto, Kenji; Mizuno, Makoto; Okumura, Yoshikazu; Ohara, Yoshihiro; G.D.Ackerman*; C.F.Chan*; W.S.Cooper*; J.W.Kwan*; M.C.Vella*

15th IEEE/NPSS Symp. on Fusion Engineering,Vol. 1, 0, p.474 - 477, 1994/00

no abstracts in English

Journal Articles

Multi-ampere D$$^{-}$$ ion source for negative-ion-based neutral beam injector

Okumura, Yoshikazu; Fumelli, M.*; Hanada, Masaya; Jequier, F.*; Pamela, J.*; Watanabe, Kazuhiro

Fusion Technology 1992, Vol.1, p.594 - 598, 1994/00

no abstracts in English

Journal Articles

Negative ion based neutral beam injector for JT-60U

Okumura, Yoshikazu; Araki, Masanori; Hanada, Masaya; Inoue, Takashi; Kunieda, Shunsuke; Kuriyama, Masaaki; Matsuoka, Mamoru; Mizuno, Makoto; Ohara, Yoshihiro; Tanaka, Masanobu*; et al.

Production and Neutralization of Negative Ions and Beams; AIP Conference Proceedings 287, p.839 - 848, 1994/00

https://doi.org/10.1063/1.44830

no abstracts in English

Journal Articles

Frontier of the development of intense ion beams

Okumura, Yoshikazu

Nihon Genshiryoku Gakkai-Shi, 35(12), p.1049 - 1056, 1993/12

https://doi.org/10.3327/jaesj.35.1049
 Times Cited Count：0 Percentile：0.51(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Development of an amorphous surge blocker for a high voltage acceleration power supply of the neutral beam injectors

Mizuno, Makoto; Ohara, Yoshihiro; Watanabe, Kazuhiro; *

JAERI-M 93-214, 13 Pages, 1993/10

JAERI-M-93-214.pdf:0.35MB

no abstracts in English

JAEA Reports

Studies on cooling by liquid helium in a large-scale cryopump of the neutral beam injector and its pumping performances of hydrogen gas and helium gas

Shibanuma, Kiyoshi

JAERI-M 93-064, 119 Pages, 1993/03

JAERI-M-93-064.pdf:4.17MB

no abstracts in English

Journal Articles

Development of a 500keV,22A D$$^{-}$$ ion source for neutral beam injectors

Okumura, Yoshikazu; Hanada, Masaya; Inoue, Takashi; *; Miyamoto, Kenji; Mizuno, Makoto; Ohara, Yoshihiro; Tanaka, Masanobu*; Watanabe, Kazuhiro

Dai-4-Kai Ryushisen No Sentanteki Oyo Gijutsu Ni Kansuru Shimpojiumu, p.51 - 54, 1993/00

no abstracts in English

Journal Articles

Development of a large D$$^{-}$$ ion source for the JT-60U negative-ion-based neutral beam injector

Okumura, Yoshikazu; Hanada, Masaya; Inoue, Takashi; Kuriyama, Masaaki; Maeno, Shuichi*; Matsuoka, Mamoru; Miyamoto, Kenji; Mizuno, Makoto; Ohara, Yoshihiro; Suzuki, Satoshi; et al.

Proceedings of 15th IEEE/NPSS Symposium on Fusion Engineering, p.466 - 469, 1993/00

no abstracts in English

Journal Articles

Long pulse operation of a cesium-seeded multicusp H$$^{-}$$ ion source

Okumura, Yoshikazu; Hanada, Masaya; Inoue, Takashi; Mizuno, Makoto; Ohara, Yoshihiro; Suzuki, Yasuo*; Tanaka, Hideki*; Tanaka, M.*; Watanabe, Kazuhiro

Review of Scientific Instruments, 63(4), p.2708 - 2710, 1992/04

https://doi.org/10.1063/1.1142830
 Times Cited Count：24 Percentile：86.6(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Development of a high current H$$^{-}$$/D$$^{-}$$ ion source

Okumura, Yoshikazu

Proc. of the 1st Meeting on the Ion Engineering Society of Japan, p.23 - 30, 1992/00

no abstracts in English

Journal Articles

Maintenance of neutral beam injectors for ITER; Japanese proposal

Tanaka, Shigeru; Ohara, Yoshihiro; Akiba, Masato; Araki, Masanori; Hanada, Masaya; Inoue, Takashi; Mizuno, Makoto; Okumura, Yoshikazu; Seki, Masahiro; Watanabe, Kazuhiro; et al.

Fusion Engineering and Design, 18, p.507 - 515, 1991/00

https://doi.org/10.1016/0920-3796(91)90170-U
 Times Cited Count：2 Percentile：31.89(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Neutronics of neutral beam injector for ITER; Japanese proposal

Inoue, Takashi; Akiba, Masato; Araki, Masanori; Hanada, Masaya; *; Mizuno, Makoto; Okumura, Yoshikazu; Ohara, Yoshihiro; Seki, Masahiro; Tanaka, Shigeru; et al.

Fusion Engineering and Design, 18, p.369 - 376, 1991/00

https://doi.org/10.1016/0920-3796(91)90153-H
 Times Cited Count：3 Percentile：40.8(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Beam optics in a negative ion source with a 250keV electrostatic accelerator

Inoue, Takashi; Hanada, Masaya; Mizuno, Makoto; Okumura, Yoshikazu; Ohara, Yoshihiro; Suzuki, Yasuo*; Tanaka, Hideki*; Tanaka, Masanobu*; Watanabe, Kazuhiro

Proc. of the 4th Symp. on Ion Sources and Ion-Assisted Technology, p.137 - 140, 1991/00

no abstracts in English

Journal Articles

Reduction of the operating gas pressure in a cesium-seeded large multicusp H$$^{-}$$ ion source

Okumura, Yoshikazu; Hanada, Masaya; Inoue, Takashi; Mizuno, Makoto; Ohara, Yoshihiro; Pamela, J.*; Suzuki, Yasuo*; Tanaka, Hideki*; Watanabe, Kazuhiro

Production and Application of Light Negative Ions, p.35 - 40, 1991/00

no abstracts in English

41 (Records 1-20 displayed on this page)