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Journal Articles

Advanced analysis technology for new material and product development

Sasaki, Hirokazu*; Nishikubo, Hideo*; Nishida, Shinsuke*; Yamazaki, Satoshi*; Nakasaki, Ryusuke*; Isomatsu, Takemi*; Minato, Ryuichiro*; Kinugawa, Kohei*; Imamura, Akihiro*; Otomo, Shinya*; et al.

Furukawa Denko Jiho, (138), p.2 - 10, 2019/02

no abstracts in English

Journal Articles

Progress report of Japanese simulation research projects using the high-performance computer system Helios in the International Fusion Energy Research Centre

Ishizawa, Akihiro*; Idomura, Yasuhiro; Imadera, Kenji*; Kasuya, Naohiro*; Kanno, Ryutaro*; Satake, Shinsuke*; Tatsuno, Tomoya*; Nakata, Motoki*; Nunami, Masanori*; Maeyama, Shinya*; et al.

Purazuma, Kaku Yugo Gakkai-Shi, 92(3), p.157 - 210, 2016/03

The high-performance computer system Helios which is located at The Computational Simulation Centre (CSC) in The International Fusion Energy Research Centre (IFERC) started its operation in January 2012 under the Broader Approach (BA) agreement between Japan and the EU. The Helios system has been used for magnetised fusion related simulation studies in the EU and Japan and has kept high average usage rate. As a result, the Helios system has contributed to many research products in a wide range of research areas from core plasma physics to reactor material and reactor engineering. This project review gives a short catalogue of domestic simulation research projects. First, we outline the IFERC-CSC project. After that, shown are objectives of the research projects, numerical schemes used in simulation codes, obtained results and necessary computations in future.

Journal Articles

Superdeformation in $$^{35}$$S

Go, Shintaro*; Ideguchi, Eiji*; Yokoyama, Rin*; Kobayashi, Motoki*; Kisamori, Keiichi*; Takaki, Motonobu*; Miya, Hiroyuki*; Ota, Shinsuke*; Michimasa, Shinichiro*; Shimoura, Susumu*; et al.

JPS Conference Proceedings (Internet), 6, p.030005_1 - 030005_4, 2015/06

Journal Articles

Progress of manufacturing trials for the ITER toroidal field coil structures

Iguchi, Masahide; Morimoto, Masaaki; Chida, Yutaka*; Hemmi, Tsutomu; Nakajima, Hideo; Nakahira, Masataka; Koizumi, Norikiyo; Yamamoto, Akio*; Miyake, Takashi*; Sawa, Naoki*

IEEE Transactions on Applied Superconductivity, 24(3), p.3801004_1 - 3801004_4, 2014/06

 Times Cited Count:6 Percentile:35.78(Engineering, Electrical & Electronic)

no abstracts in English

JAEA Reports

Improvement in oil seal performance of Gas Compressor in HTTR

Oyama, Sunao*; Hamamoto, Shimpei; Kaneshiro, Noriyuki*; Nemoto, Takahiro; Sekita, Kenji; Isozaki, Minoru; Emori, Koichi; Ito, Yoshiteru*; Yamamoto, Hideo*; Ota, Yukimaru; et al.

JAEA-Technology 2007-047, 40 Pages, 2007/08

JAEA-Technology-2007-047.pdf:18.83MB

High-Temperature engineering Test Reactor (HTTR) built by Japan Atomic Energy Agency (JAEA) has commonly used reciprocating compressor to extract helium gas and discharge helium gas into primary/secondary coolant helium loop from helium purification system. Rod-seal structure of the compressor is complicated from a prevention coolant leak standpoint. Because of frequently leakage of seal oil in operation, Rod seal structure isn't as reliable as it should be sustainable in the stable condition during long term operation. As a result of investigations, leakage's root is found in that seal were used in a range beyond limit sliding properties of seal material. Therefore a lip of the seal was worn and transformed itself and was not able to sustain a seal function. Endurance test using materials testing facility and verification test using a actual equipment on candidate materials suggest that a seal of fluorine contained resin mixed graphite is potentially feasible material of seal.

Journal Articles

Mechanical properties of small size specimens of F82H steel

Wakai, Eiichi; Otsuka, Hideo*; Matsukawa, Shingo; Furuya, Kazuyuki*; Tanigawa, Hiroyasu; Oka, Keiichiro*; Onuki, Somei*; Yamamoto, Toshio*; Takada, Fumiki; Jitsukawa, Shiro

Fusion Engineering and Design, 81(8-14), p.1077 - 1084, 2006/02

 Times Cited Count:11 Percentile:60.35(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Measurements of neutron-capture cross sections of radioactive nuclides through high-energy $$gamma$$-ray spectroscopic studies

Furutaka, Kazuyoshi; Harada, Hideo; Nakamura, Shoji; Sakane, Hitoshi; Yamana, Hajimu*; Fujii, Toshiyuki*; Yamamoto, Shuji*; Hori, Junichi*; Igashira, Masayuki*; Osaki, Toshiro*; et al.

KURRI Progress Report 2004, P. 16, 2005/09

This report describes the studies done through spectroscopic method of high-energy $$gamma$$ ray to determine neutron capture cross sections of radioactive nuclides, in FY2004 at the Research Reactor Institute, Kyoto University. The following three items are described. (1) Development of a method to determine thermal neutron capture cross sections by prompt $$gamma$$-ray measurements, (2) Evaluation of a large BGO detector system as a total-energy detector, and (3) neutron capture cross-section measurements by TOF method.

Journal Articles

Measurement of Neutron Capture Cross Section of $$^{237}$$Np from 0.02 to 100 eV

Shcherbakov, O.; Furutaka, Kazuyoshi; Nakamura, Shoji; Sakane, Hitoshi; Katsuhei, Kobayashi,*; Yamamoto, Shuji*; Harada, Hideo

Journal of Nuclear Science and Technology, 42(2), p.135 - 144, 2005/00

 Times Cited Count:23 Percentile:82.08(Nuclear Science & Technology)

The neutron capture cross section of Np-237 has been measured in the energy range of 0.02 eV - 100 eV. For the first time, the capture cross section of Np-237 was measured using the total energy $$gamma$$-ray detector. The results have been compared with evaluated nuclear data libraries.

Journal Articles

Measurement of neutron capture cross sections for radioactive nuclei

Harada, Hideo; Nakamura, Shoji; Furutaka, Kazuyoshi; Shcherbakov, O.; Sakane, Hitoshi; Kobayashi, Katsuhei*; Yamamoto, Shuji*

KURRI Progress Report 2003, P. 171, 2004/09

Researches and developments done at Research Reactor Institute of Kyoto University in FY2003 are summarized. Researches on measurement of neutron capture cross sections by activation method, development of a method to determine thermal neutron capture cross section by prompt $$gamma$$-ray measurements, and neutron capture cross section measurements by Time-of-Flight method are briefly mentioned.

Journal Articles

Measurement of the Np-237 Neutron Capture Cross Section from Thermal to 100 eV

Shcherbakov, O.; Harada, Hideo; Furutaka, Kazuyoshi; Nakamura, Shoji; Sakane, Hitoshi; Katsuhei, Kobayashi,*; Yamamoto, Shuji*

ND2004 Abstracts, LA-UR-04-5900, p.133, 133 Pages, 2004/09

The neutron capture cross section of Np-237 has been measured for the energy range between thermal to 100 eV using a TOF method. The developed system composed of JNC-BGO detector and FADC data taking is presented together with the obtained result.

Journal Articles

Measurement of the Np-237 Neutron Capture Cross Section from Thermal to 100 eV

Shcherbakov, O.; Harada, Hideo; Furutaka, Kazuyoshi; Nakamura, Shoji; Sakane, Hitoshi; Kobayashi, Katsuhei*; Yamamoto, Shuji*

AIP Conference Proceedings 769, p.1007 - 1010, 2004/00

The neutron capture cross section of Np-237 has been measured relative to the B-10(n,alpha)Li-7 cross section in the energy range from 0.02 to 100 eV. The measurements were carried out by the time-of-flight method using the 8.54 liters BGO scintillator as a 4-pi capture $$gamma$$ ray detector and the 46 MeV Linac as a pulsed neutron source. The results of present measurements have been compared with experimental data of other authors and evaluated data.

Journal Articles

Radiation defects in nano-structured materials

Otsuka, Hideo; Hojo, Kiichi; Maeta, Hiroshi*; Otsu, Hitoshi; Sugai, Hiroyuki; Yamamoto, Hiroyuki

European Physical Journal D, 16(1-3), p.309 - 311, 2001/09

no abstracts in English

Journal Articles

Deterministic approach towards establishing of clearance levels in Japan

Okoshi, Minoru; Sakai, Akihiro; Yoshimori, Michiro; Yamamoto, Hideaki; Takahashi, Tomoyuki; Kimura, Hideo

Proc. of 7th Int. Conf. on Radioactive Waste Management and Environmental Remediation (ICEM'99)(CD-ROM), 8 Pages, 1999/09

no abstracts in English

Journal Articles

Derivation methods of clearance levels for nuclear reactors

Okoshi, Minoru; Takahashi, Tomoyuki*; Kimura, Hideo; ; Sakai, Akihiro; Yoshimori, Michiro; Yamamoto, Hideaki

Hoken Butsuri, 34(2), p.187 - 197, 1999/00

no abstracts in English

JAEA Reports

None

Wada, Yukio; Funasaka, Hideyuki; Myochin, Munetaka; Yamamoto, Kazunori; Harada, Hideo; ;

PNC TN8100 96-005, 16 Pages, 1996/01

PNC-TN8100-96-005.pdf:1.6MB

no abstracts in English

Journal Articles

Design of the ITER central solenoid scalable model coil

Yamamoto, Keiichi*; Yoshida, Kiyoshi; Yasukawa, Yukio*; Tsukamoto, Hideo*; Sasaki, Takashi*; Okuno, Kiyoshi; Nishi, Masataka; Koizumi, Norikiyo; Isono, Takaaki; Sugimoto, Makoto; et al.

Proc. of the 17th Symp. on Fusion Technology, 0, p.971 - 975, 1993/00

no abstracts in English

Journal Articles

Development of a high power gyrotron for ECH of tokamak plasma

Sakamoto, Keishi; Tsuneoka, Masaki; Maebara, Sunao; Kasugai, Atsushi; Fujita, Hideo*; *; Yamamoto, Takumi; Nagashima, Takashi; Kariya, Tsuyoshi*; *; et al.

Proceedings of the 17th International Conference on Infrared and Millimeter Waves, p.188 - 189, 1992/00

no abstracts in English

Journal Articles

Development of a real time simulation system to demonstrate the use of the near-real-time materials accountancy, II

Ihara, Hitoshi; Yamamoto, Yoichi; Nishimura, Hideo; Ikawa, Koji; *

Dai-11-Kai Kaku Busshitsu Kanri Gakkai Nenji Taikai Rombunshu, p.23 - 30, 1990/06

no abstracts in English

JAEA Reports

Data report for ROSA-IV LSTF 10% hot leg break experiment; Run SB-HL-02

Kukita, Yutaka; *; *; *; Anoda, Yoshinari; Kumamaru, Hiroshige; Suzuki, Mitsuhiro; ; Yamamoto, Nobuo; Nakamura, Hideo; et al.

JAERI-M 90-039, 122 Pages, 1990/03

JAERI-M-90-039.pdf:3.38MB

no abstracts in English

JAEA Reports

Data report for ROSA-IV/LSTF 5% hot leg break experiment Run SB-HL-01

Kukita, Yutaka; *; *; Anoda, Yoshinari; Kumamaru, Hiroshige; Suzuki, Mitsuhiro; ; Yamamoto, Nobuo; Nakamura, Hideo; Yonomoto, Taisuke; et al.

JAERI-M 89-225, 117 Pages, 1990/01

JAERI-M-89-225.pdf:3.53MB

no abstracts in English

39 (Records 1-20 displayed on this page)