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Journal Articles

Anionic fluoro complex of element 105, Db

Kasamatsu, Yoshitaka*; Toyoshima, Atsushi; Asai, Masato; Tsukada, Kazuaki; Li, Z.; Ishii, Yasuo; Tome, Hayato*; Sato, Tetsuya; Kikuchi, Takahiro; Nishinaka, Ichiro; et al.

Chemistry Letters, 38(11), p.1084 - 1085, 2009/10

 Times Cited Count:15 Percentile:48.93(Chemistry, Multidisciplinary)

We report on the characteristic anion-exchange behavior of the superheavy element dubnium (Db) with atomic number Z = 105 in HF/HNO$$_{3}$$ solution at the fluoride ion concentration [F$$^{-}$$] = 0.003 M. The result clearly demonstrates that the fluoro complex formation of Db is significantly different from that of the group-5 homologue Ta in the 6th period of the periodic table while the behavior of Db is similar to that of the lighter homologue Nb in the 5th period.

Journal Articles

Multi-physics and multi-scale simulation for core disruptive accidents in fast breeder reactors

Koshizuka, Seiichi*; Liu, J.*; Morita, Koji*; Arima, Tatsumi*; Tobita, Yoshiharu; Yamano, Hidemasa; Ito, Takahiro*; Shirakawa, Noriyuki*; Hosoda, Seigo*; Araki, Kazuhiro*; et al.

Proceedings of 5th Korea-Japan Symposium on Nuclear Thermal Hydraulics and Safety (NTHAS-5), p.472 - 479, 2006/11

A 5-year research project started in FY2005 in the framework of Innovative Nuclear Research and Development Program funded by the Ministry of Education, Culture, Sports, Science and Technology in Japan. A computer code, named COMPASS (Computer Code with Moving Particle Semi-implicit for Reactor Safety Analysis), is being developed using the Moving Particle Semi-implicit (MPS) method for various complex phenomena of severe accidents in fast breeder reactors. Both MOX and metal fuels are considered. Eutectic reactions between the metal fuel and the cladding material are being investigated by molecular dynamics and molecular orbital methods. The molten metal flow with solidification was analyzed by MPS. The elastic analysis of a hexagonal wrapper tube was analyzed by the MPS method as well. The results were compared with an experiment and an calculation using an commercial code. Eutectic reactions were calculated by molecular dynamics and compared with the references. We found that the combination of the above numerical methods was useful for multi-physics and multi-scale phenomena of core disruptive accidents in fast breeder reactors.

Journal Articles

Safety design concepts for ITER-tritium facility; Toward construction in Japan

Ohira, Shigeru; Tada, Eisuke; Hada, Kazuhiko; Neyatani, Yuzuru; Maruo, Takeshi; Hashimoto, Masayoshi*; Araki, Takao*; Nomoto, Kazuhiro*; Tsuru, Daigo; Ishida, Toshikatsu*; et al.

Fusion Science and Technology, 41(3), p.642 - 646, 2002/05

no abstracts in English

Journal Articles

The Summary report on engineering design activities in the International Thermonuclear Experimental Reactor (ITER) project

Mori, Masahiro; Shoji, Teruaki; Araki, Masanori; Saito, Keiji*; Senda, Ikuo; Omori, Junji*; Sato, Shinichi*; Inoue, Takashi; Ono, Isamu*; Kataoka, Takahiro*; et al.

Nihon Genshiryoku Gakkai-Shi, 44(1), p.16 - 89, 2002/01

no abstracts in English

Journal Articles

Study on decay heat removal of compact ITER

Tsuru, Daigo; Neyatani, Yuzuru; Araki, Takao*; Nomoto, Kazuhiro*; Ohira, Shigeru; Maruo, Takeshi; Hashimoto, Masayoshi*; Hada, Kazuhiko; Tada, Eisuke

Fusion Engineering and Design, 58-59, p.985 - 989, 2001/11

 Times Cited Count:4 Percentile:33.39(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Safety activities in JAERI related to ITER

Ohira, Shigeru; Tada, Eisuke; Hada, Kazuhiko; Neyatani, Yuzuru; Maruo, Takeshi; Hashimoto, Masayoshi*; Araki, Takao*; Nomoto, Kazuhiro*; Tsuru, Daigo; Ishida, Toshikatsu*; et al.

Fusion Engineering and Design, 54(3-4), p.515 - 522, 2001/04

 Times Cited Count:3 Percentile:27.1(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Analyses of divertor high heat-flux components on thermal and electromagnetic loads

Araki, Masanori; Kitamura, Kazunori*; Urata, Kazuhiro*; Suzuki, Satoshi

Fusion Engineering and Design, 42(1-4), p.381 - 387, 1998/09

 Times Cited Count:1 Percentile:15.03(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Recent R&D activities on plasma facing components at JAERI

Sato, Kazuyoshi; ; Araki, Masanori; Nakamura, Kazuyuki; Watanabe, Kazuhiro; ; Dairaku, Masayuki; Okumura, Yoshikazu; Ohara, Yoshihiro; Akiba, Masato

16th IEEE/NPSS Symp. on Fusion Engineering (SOFE '95), 1, p.220 - 223, 1995/00

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

no abstracts in English

Journal Articles

Production of a 95% proton yield beam in a semicylindrical plasma generator

Watanabe, Kazuhiro; Araki, Masanori; Dairaku, Masayuki; Horiike, Hiroshi; Ohara, Yoshihiro; Okumura, Yoshikazu; Pamela, J.*; Tanaka, Shigeru;

Review of Scientific Instruments, 62(9), p.2142 - 2145, 1991/09

 Times Cited Count:4 Percentile:55.36(Instruments & Instrumentation)

no abstracts in English

Journal Articles

JAERI Electron Beam Irradiation Stand(JEBIS)

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

NIFS-MEMO-3, 4 Pages, 1991/08

no abstracts in English

JAEA Reports

ITER neutral beam injection system; Japanese design proposal

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

JAERI-M 91-052, 176 Pages, 1991/03

JAERI-M-91-052.pdf:4.07MB

no abstracts in English

Journal Articles

Design and experimental results of a new electron gun using a magnetic multipole plasma generator

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

Review of Scientific Instruments, 62(3), p.761 - 771, 1991/03

 Times Cited Count:16 Percentile:82.35(Instruments & Instrumentation)

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

 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

 Times Cited Count:3 Percentile:40.8(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Production of a high proton yield beam in a semi-cylindrical plasma generator

Watanabe, Kazuhiro; Araki, Masanori; Dairaku, Masayuki; Horiike, Hiroshi; Ohara, Yoshihiro; Okumura, Yoshikazu; Tanaka, Shigeru; ; Pamela, J.*

JAERI-M 90-212, 56 Pages, 1990/12

JAERI-M-90-212.pdf:1.81MB

no abstracts in English

JAEA Reports

A Review of JAERI R&D activities on the negative-ion-based neutral beam injection system

Ohara, Yoshihiro; Akiba, Masato; Araki, Masanori; Dairaku, Masayuki; Hanada, Masaya; Inoue, Takashi; Kojima, Hiroaki; Kuriyama, Masaaki; *; Matsuoka, Mamoru; et al.

JAERI-M 90-154, 119 Pages, 1990/09

JAERI-M-90-154.pdf:3.06MB

no abstracts in English

Journal Articles

Effect of primary electron distribution on ion species yield in an ion source

Watanabe, Kazuhiro; Araki, Masanori; Dairaku, Masayuki; Horiike, Hiroshi; Ohara, Yoshihiro; Okumura, Yoshikazu; Tanaka, Shigeru;

Review of Scientific Instruments, 61(6), p.1694 - 1698, 1990/06

 Times Cited Count:9 Percentile:69.84(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Production of high current ion beams of various gas species from magnetic multipole ion source

Tanaka, Shigeru; Akiba, Masato; Araki, Masanori; Matsuda, Shinzaburo; *; Ohara, Yoshihiro; Okumura, Yoshikazu; ; Watanabe, Kazuhiro

Nuclear Instruments and Methods in Physics Research B, 37-38, p.128 - 131, 1989/00

 Times Cited Count:2 Percentile:45.25(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Multi-ampere negative hydrogen ion source for fusion application

Inoue, Takashi; Araki, Masanori; Hanada, Masaya; Kurashima, Toru*; Matsuda, Shinzaburo; *; Ohara, Yoshihiro; Okumura, Yoshikazu; Tanaka, Shigeru; Watanabe, Kazuhiro

Nuclear Instruments and Methods in Physics Research B, 37-38, p.111 - 115, 1989/00

 Times Cited Count:27 Percentile:91.59(Instruments & Instrumentation)

no abstracts in English

26 (Records 1-20 displayed on this page)