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Journal Articles

Analysis of sequential charged particle reaction experiments for fusion reactors

Yamauchi, Michinori*; Hori, Junichi*; Ochiai, Kentaro; Sato, Satoshi; Nishitani, Takeo; Kawasaki, Hiromitsu*

Fusion Engineering and Design, 81(8-14), p.1577 - 1582, 2006/02

 Times Cited Count:1 Percentile:89.21(Nuclear Science & Technology)

no abstracts in English

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

Journal Articles

Irradiation and penetration tests of boron-doped low activation concrete using 2.45 MeV and 14 MeV neutron sources

Morioka, Atsuhiko; Sato, Satoshi; Kinno, Masaharu*; Sakasai, Akira; Hori, Junichi*; Ochiai, Kentaro; Yamauchi, Michinori*; Nishitani, Takeo; Kaminaga, Atsushi; Masaki, Kei; et al.

Journal of Nuclear Materials, 329-333(2), p.1619 - 1623, 2004/08

 Times Cited Count:7 Percentile:52.42(Materials Science, Multidisciplinary)

The neutron penetration and the activation characteristics of the boron-doped low activation concrete were investigated for irradiation of 2.45 and 14 MeV neutrons. The shielding property of the 2 wt% boron-doped low activation concrete is superior to that of the 1 wt% boron for the thermal neutron, on the contrary to the no clear difference for the fast neutron. The total activity detected in the boron-doped low activation concrete was about one hundredth of that in the geostandard sample at more than 30 days cooling time. The total activity of the boron-doped concrete by major nuclei does not depend on the boron density for the 14 MeV neutron irradiation.

JAEA Reports

Activity report of the Fusion Neutronics Source from April 1, 2001 to March 31, 2004

Fusion Neutron Laboratory

JAERI-Review 2004-017, 163 Pages, 2004/07

JAERI-Review-2004-017.pdf:25.47MB

no abstracts in English

Journal Articles

Initial results of neutronics experiments for evaluation of tritium production rate in solid breeding blanket

Nishitani, Takeo; Ochiai, Kentaro; Klix, A.; Verzilov, Y. M.; Sato, Satoshi; Yamauchi, Michinori*; Nakao, Makoto*; Hori, Junichi; Enoeda, Mikio

Proceedings of 20th IEEE/NPSS Symposium on Fusion Engineering (SOFE 2003), p.454 - 457, 2003/10

no abstracts in English

Journal Articles

Development of supercritical pressure water cooled solid breeder blanket in JAERI

Akiba, Masato; Ishitsuka, Etsuo; Enoeda, Mikio; Nishitani, Takeo; Konishi, Satoshi

Purazuma, Kaku Yugo Gakkai-Shi, 79(9), p.929 - 934, 2003/09

no abstracts in English

JAEA Reports

Performance test of micro-fission chambers for in-vessel neutron monitoring of ITER

Yamauchi, Michinori*; Nishitani, Takeo; Ochiai, Kentaro; Morimoto, Yuichi*; Hori, Junichi; Ebisawa, Katsuyuki*; Kasai, Satoshi

JAERI-Tech 2002-032, 41 Pages, 2002/03

JAERI-Tech-2002-032.pdf:2.62MB

A micro-fission chamber and a dummy chamber without uranium were fabricated and the performance was tested. They are designed to be installed inside the vacuum vessel of compact ITER (ITER-FEAT) for neutron monitoring. Vacuum leak rate of the chamber, resistances between central conductor and outer sheath, and mechanical strength up to 50G acceleration were confirmed to meet design criteria. Gamma-ray sensitivity was measured with $$^{60}$$Co gamma-ray irradiation facility at JAERI Takasaki. The output signals for gamma-rays in Campbelling mode were estimated to be less than 0.1% those by neutrons at the location behind the blanket module in ITER-FEAT. Detector response for 14 MeV neutrons was investigated with the FNS facility. Excellent linearity between count rates and neutron fluxes was confirmed. According to the test for the change of surrounding materials, the sensitivity was enhanced by slow-downed neutrons, which agreed with the calculation result by MCNP-4C code. As a result, it was concluded that the developed micro-fission chamber is applicable for ITER-FEAT.

JAEA Reports

JAEA Reports

Data collection of fusion neutronics benchmark experiment conducted at FNS/JAERI

Maekawa, Fujio; Konno, Chikara; Kasugai, Yoshimi; Oyama, Yukio; Ikeda, Yujiro

JAERI-Data/Code 98-021, 93 Pages, 1998/08

JAERI-Data-Code-98-021.pdf:4.43MB

no abstracts in English

Journal Articles

Impact of source term uncertainty on neutronics analysis of D-Li neutron irradiation facility (IFMIF)

Oyama, Yukio; Noda, Kenji; Kosako, Kazuaki*

Fusion Engineering and Design, 42, p.437 - 442, 1998/00

 Times Cited Count:2 Percentile:74.43(Nuclear Science & Technology)

no abstracts in English

JAEA Reports

JAEA Reports

Neutronics analysis of international fusion material irradiation facility (IFMIF); Japanese contributions

Oyama, Yukio; Kosako, Kazuaki*; Noda, Kenji

JAERI-Research 97-065, 84 Pages, 1997/10

JAERI-Research-97-065.pdf:2.25MB

no abstracts in English

JAEA Reports

Reactor Engineering Department annual report; April 1, 1995-March 31, 1996

JAERI-Review 96-012, 292 Pages, 1996/09

JAERI-Review-96-012.pdf:9.91MB

no abstracts in English

JAEA Reports

SRAC95; General purpose neutronics code system

Okumura, Keisuke; *;

JAERI-Data/Code 96-015, 445 Pages, 1996/03

JAERI-Data-Code-96-015.pdf:12.94MB

no abstracts in English

Journal Articles

Design analysis for reducing dose rate in the NBI to realize direct access by workers for a fusion experimental reactor

Inoue, Takashi; *; *; Yamashita, Y.*

Fusion Technology 1996, 0, p.1799 - 1802, 1996/00

no abstracts in English

Journal Articles

What is neutronics

Maekawa, Hiroshi

Purazuma, Kaku Yugo Gakkai-Shi, 71(10), p.984 - 986, 1995/10

no abstracts in English

JAEA Reports

Reactor Engineering Department annual report; April 1, 1994$$sim$$March 31, 1995

JAERI-Review 95-014, 289 Pages, 1995/09

JAERI-Review-95-014.pdf:9.71MB

no abstracts in English

Journal Articles

Design and techniques for fusion blanket neutronics experiments using an accelerator-based deuterium-tritium neutron source

Oyama, Yukio; Konno, Chikara; Ikeda, Yujiro; Maekawa, Fujio; Maekawa, Hiroshi; ; ; Nakamura, Tomoo; M.A.Abdou*; Bennett, E. F.*; et al.

Fusion Technology, 28(1), p.56 - 73, 1995/08

no abstracts in English

Journal Articles

Effect of selection of calculation parameters in discrete ordinate code DOT3.5 for analyses of fusion blanket integral experiments in JAERI-USDOE collaborative program

Oyama, Yukio; Kosako, Kazuaki*; Konno, Chikara; Ikeda, Yujiro; Maekawa, Fujio; Maekawa, Hiroshi

Fusion Engineering and Design, 28, p.636 - 641, 1995/00

no abstracts in English

Journal Articles

Summary of experiments and analyses from the JAERI/USDOE collaborative program on fusion blanket neutronics

Maekawa, Hiroshi; M.A.Abdou*

Fusion Engineering and Design, 28, p.479 - 491, 1995/00

no abstracts in English

74 (Records 1-20 displayed on this page)