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Journal Articles

Quasi-one-dimensional magnetic interactions and conduction electrons in EuCu$$_5$$ and EuAu$$_5$$ with the characteristic hexagonal structure

Matsuda, Shinya*; Ota, Joji*; Nakaima, Kenri*; Iha, Wataru*; Gochi, Jun*; Uwatoko, Yoshiya*; Nakashima, Miho*; Amako, Yasushi*; Honda, Fuminori*; Aoki, Dai*; et al.

Philosophical Magazine, 100(10), p.1244 - 1257, 2020/04

 Times Cited Count:2 Percentile:45.37(Materials Science, Multidisciplinary)

Journal Articles

The Analytical study of inventories and physicochemical configuration of spallation products produced in Lead-Bismuth Eutectic of Accelerator Driven System

Miyahara, Shinya*; Ohdaira, Naoya*; Arita, Yuji*; Maekawa, Fujio; Matsuda, Hiroki; Sasa, Toshinobu; Meigo, Shinichiro

Nuclear Engineering and Design, 352, p.110192_1 - 110192_8, 2019/10

 Times Cited Count:1 Percentile:23.13(Nuclear Science & Technology)

Lead-Bismuth Eutectic (LBE) is used as a spallation neutron target and coolant materials of Accelerator Driven System (ADS), and many kinds of elements are produced as spallation products. It is important to evaluate the release and transport behavior of the spallation products in the LBE. The inventories and the physicochemical composition of the spallation products produced in LBE have been investigated for an LBE loop in the ADS Target Test Facility (TEF-T) in J-PARC. The inventories of the spallation products in the LBE were estimated using the PHITS code. The physicochemical composition of the spallation products in the LBE was calculated using the Thermo-Calc code under the conditions of the operation temperatures of LBE from 350$$^{circ}$$C to 500$$^{circ}$$C and the oxygen concentrations in LBE from 10 ppb to 1 ppm. The calculation showed that the 5 elements of Rb, Tl, Tc, Os, Ir, Pt, Au and Hg were soluble in LBE under the all given conditions and any kinds of compound were not formed in LBE. It was suggested that the oxides of Ce, Sr, Zr and Y were stable as CeO$$_{2}$$, SrO, ZrO$$_{2}$$ and Y$$_{2}$$O$$_{3}$$ in the LBE.

Journal Articles

Anomalous ferromagnetic ordering in EuCuP

Iha, Wataru*; Kakihana, Masashi*; Matsuda, Shinya*; Honda, Fuminori*; Haga, Yoshinori; Takeuchi, Tetsuya*; Nakashima, Miho*; Amako, Yasushi*; Gochi, Jun*; Uwatoko, Yoshiya*; et al.

Journal of Alloys and Compounds, 788, p.361 - 366, 2019/06

 Times Cited Count:2 Percentile:25.87(Chemistry, Physical)

Journal Articles

Improvement of CAMAC control and data aquisition for JT-60 data processing system

Sato, Minoru; Kiyono, Kimihiro; Oshima, Takayuki; Sakata, Shinya; Ozeki, Takahisa; Matsuda, Toshiaki; Nagasaka, Yasushi*; Obata, Takayoshi*

Heisei-16-Nendo Osaka Daigaku Sogo Gijutsu Kenkyukai Hokokushu (CD-ROM), 3 Pages, 2005/03

no abstracts in English

Journal Articles

State of JT-60 data processing system

Kiyono, Kimihiro; Oshima, Takayuki; Sakata, Shinya; Sato, Minoru; Ozeki, Takahisa; Matsuda, Toshiaki

Heisei-16-Nendo Osaka Daigaku Sogo Gijutsu Kenkyukai Hokokushu (CD-ROM), 4 Pages, 2005/03

State of JT-60 Data Processing System

Journal Articles

Development of environment for remote participation in fusion research on JT-60

Oshima, Takayuki; Naito, Osamu; Hamamatsu, Kiyotaka; Iba, Katsuyuki; Sato, Minoru; Sakata, Shinya; Tsugita, Tomonori; Matsuda, Toshiaki; Iwasaki, Keita*; Karube, Yukihiro*; et al.

Fusion Engineering and Design, 71(1-4), p.239 - 244, 2004/06

 Times Cited Count:5 Percentile:36.97(Nuclear Science & Technology)

In the JT-60 tokamak at JAERI, environment for remote participation is planned to be developed by concentrating experts of nuclear fusion research of another research organizations and universities distributed all over the country. We are constructing a hierarchical remote research system, which consists of remote experiment, remote analysis, and remote diagnostic. In a remote collaboration, it is important to maintain the security of the system, as well as to share the information, atmosphere and presence between the participants. For the latter purpose, we developed a video conferencing system, and a video streaming system that can deliver the images of the JT-60 control room. Furthermore, a development of the remote analysis system called "VizAnalysis" has been started. And to assist the remote analysis, we developed a web based software system called "VizSquare". In the JT-60 tokamak at JAERI, security and authentication methods on a computer network and a new communication tool are developed, and probably they will be applied to the remote participation of ITER.

Journal Articles

Development of workstation-based CAMAC data acquisition system for JT-60 data processing system

Sato, Minoru; Tsugita, Tomonori; Oshima, Takayuki; Sakata, Shinya; Iwasaki, Keita*; Matsuda, Toshiaki; Iba, Katsuyuki; Ozeki, Takahisa

Fusion Engineering and Design, 71(1-4), p.145 - 149, 2004/06

 Times Cited Count:8 Percentile:50.96(Nuclear Science & Technology)

Data processing system in JT-60 has been used CAMAC widely for control and data acquisition of plasma diagnostic. However, it has passed over fifteen years from the operation, and the problem is caused for maintenance and function enhancement by the deterioration. Then, Mini-computer and microcomputer ,which control the CAMAC system were replaced workstation based on UNIX-OS, and these system were remodeled by developing the application software for screen control by GUI and for constructing environment of remote diagnostic through the network. In addition, CAMAC device driver for Linux has been developed in for next CAMAC control system.

Journal Articles

Real time processor in JT-60 data processing system

Sakata, Shinya; Tsugita, Tomonori; Matsuda, Toshiaki

Heisei-15-Nendo Koenerugi Kasokuki Kenkyu Kiko Gijutsu Kenkyukai Hokokushu (CD-ROM), 4 Pages, 2004/00

no abstracts in English

Journal Articles

Data processing and analysis systems for JT-60U

Matsuda, Toshiaki; Totsuka, Toshiyuki; Tsugita, Tomonori; Oshima, Takayuki; Sakata, Shinya; Sato, Minoru; Iwasaki, Keita*

Fusion Science and Technology (JT-60 Special Issue), 42(2-3), p.512 - 520, 2002/09

 Times Cited Count:3 Percentile:24.34(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Recent changes of JT-60 data processing system

Matsuda, Toshiaki; Tsugita, Tomonori; Oshima, Takayuki; Sakata, Shinya; Sato, Minoru; Iwasaki, Keita*

Fusion Engineering and Design, 60(3), p.235 - 239, 2002/06

 Times Cited Count:5 Percentile:35.97(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Mass data acquisition systems in JT-60 data processing system

Oshima, Takayuki; Matsuda, Toshiaki; Tsugita, Tomonori; Sakata, Shinya; Sato, Minoru; Koiwa, Motonao*

Review of Scientific Instruments, 72(1), p.517 - 519, 2001/01

 Times Cited Count:6 Percentile:41.2(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Status of JT-60 data processing system

Matsuda, Toshiaki; Tsugita, Tomonori; Oshima, Takayuki; Sakata, Shinya; Sato, Minoru; Koiwa, Motonao*; Aoyagi, Tetsuo*

Fusion Engineering and Design, 48(1-2), p.99 - 104, 2000/08

 Times Cited Count:7 Percentile:48.29(Nuclear Science & Technology)

no abstracts in English

Journal Articles

Real time processor in JT-60 data processing system

Sakata, Shinya; Koiwa, Motonao*; Aoyagi, Tetsuo*; Matsuda, Toshiaki

Fusion Engineering and Design, 48(1-2), p.225 - 230, 2000/08

 Times Cited Count:6 Percentile:44.06(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Development and upgrade of new real time processor in JT-60 data processing system

Sakata, Shinya; Koiwa, Motonao*; Aoyagi, Tetsuo*; Matsuda, Toshiaki

JAERI-Tech 2000-043, 48 Pages, 2000/07

JAERI-Tech-2000-043.pdf:2.6MB

no abstracts in English

Journal Articles

Systems for remote participation in JT-60 experiments

Matsuda, Toshiaki; Tsugita, Tomonori; Oshima, Takayuki; Sato, Minoru; Sakata, Shinya; Hamamatsu, Kiyotaka; Nishitani, Takeo; Koiwa, Motonao*

Review of Scientific Instruments, 70(1), p.502 - 504, 1999/01

 Times Cited Count:5 Percentile:43.66(Instruments & Instrumentation)

no abstracts in English

Journal Articles

Recent developments in the JT-60 data processing system

Matsuda, Toshiaki; Aoyagi, Tetsuo*; ; Tsugita, Tomonori; Oshima, Takayuki; Sakata, Shinya; Sato, Minoru; *; Koiwa, Motonao*

Fusion Engineering and Design, 43(3-4), p.285 - 291, 1999/00

 Times Cited Count:8 Percentile:55.01(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

Development of new CICU

Aoyagi, Tetsuo*; Sato, Minoru; Sakata, Shinya; Matsuda, Toshiaki

JAERI-Tech 97-073, 91 Pages, 1998/02

JAERI-Tech-97-073.pdf:2.38MB

no abstracts in English

Oral presentation

The Analytical prediction of inventories and physicochemical composition of spallation products produced in Lead-Bismuth Eutectic of Accelerator Driven System

Miyahara, Shinya*; Arita, Yuji*; Ohdaira, Naoya*; Sasa, Toshinobu; Maekawa, Fujio; Matsuda, Hiroki

no journal, , 

Lead-Bismuth Eutectic (LBE) is used as a spallation neutron target and coolant materials of Accelerator Driven System (ADS), and many kinds of elements are produced as spallation products. It is important to evaluate the release and transport behavior of the spallation products in the LBE. The inventories and the physicochemical composition of the spallation products produced in LBE have been investigated for an LBE loop in the ADS Target Test Facility (TEF-T) in J-PARC. The inventories of the spallation products in the LBE were estimated using the PHITS code. The physicochemical composition of the spallation products in the LBE was calculated using the Thermo-Calc code under the conditions of the operation temperatures of LBE from 350$$^{circ}$$C to 500$$^{circ}$$C and the oxygen concentrations in LBE from 10 ppb to 1 ppm. The calculation showed that the 5 elements of Hg, Tl, Au, Os, Tc were soluble in LBE under the all given conditions and any kinds of compound were not formed in LBE. It was suggested that the oxides of Ce, Zr and Y were stable as CeO$$_{2}$$, ZrO$$_{2}$$ and Y$$_{2}$$O$$_{3}$$ in the LBE.

Oral presentation

Research on physicochemical composition of spallation products in lead-bismuth eutectic in ADS, 1; Estimation of inventories of spallation products

Maekawa, Fujio; Matsuda, Hiroki; Meigo, Shinichiro; Sasa, Toshinobu; Miyahara, Shinya*; Arita, Yuji*; Ohdaira, Naoya*

no journal, , 

To assess physicochemical composition of spallation products in Lead-Bismuth Eutectic (LBE) alloy which was to be used as a spallation neutron target and coolant materials of Accelerator Driven nuclear transmutation Systems (ADS), inventories of spallation products in an LBE loop of J-PARC ADS Target Test Facility (TEF-T) were evaluated.

Oral presentation

Research on physicochemical composition of spallation products in lead-bismuth eutectic in ADS, 2; Thermodynamic study of physicochemical composition of spallation products

Miyahara, Shinya*; Ohdaira, Naoya*; Arita, Yuji*; Sasa, Toshinobu; Maekawa, Fujio; Matsuda, Hiroki; Meigo, Shinichiro

no journal, , 

Representative spallation product elements in a lead-bismuth eutectic (LBE) loop in the ADS Target Test Facility (TEF-T) were selected. Chemical compounds of the elements and their concentrations which can be formed in the LBE were evaluated by one point equilibrium calculation by using the integrated thermodynamic calculation system Thermo-Calc.

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