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Hiroi, Kosuke; Shinohara, Takenao; Hayashida, Hirotoshi*; Su, Y. H.; Kai, Tetsuya; Oikawa, Kenichi
JAEA-Technology 2016-021, 14 Pages, 2016/10
JAEA-Technology-2016-021.pdf:16.4MB
Energy resolved neutron imaging techniques have been developed at BL22 "RADEN" installed in the Materials and Life Science Experimental Facility (MLF) of J-PARC. A polarized neutron imaging technique attracts much attention as a magnetic imaging method that enables to obtain a quantitative magnetic field distribution in an industrial product under driving state. At RADEN, a polarization analysis apparatus for polarized neutron imaging experiments has been prepared, but its performance was not fully achieved due to imperfectness of the field connection between devices. To improve the performance of polarization analysis system at RADEN, we performed magnetic field simulation of this system, and optimized the magnetic field environment by evaluating the magnetic field connection. After the optimization, we rearranged devices of the system, and confirmed that uniform polarization distribution could be obtained within 4
4 cm
field of view.
Suzuki, Mitsuhiro; Takeda, Takeshi; Asaka, Hideaki; Nakamura, Hideo
Nihon Kikai Gakkai 2005-Nendo Nenji Taikai Koen Rombunshu, Vol.3, p.223 - 224, 2005/09
Shown below are experimental results on characteristics of reactor instrumentations including a coolant mass tracking method and core exit thermocouples (CETs) which are necessary to precise operator actions for accident management (AM) during a loss-of-coolant accident (LOCA) at a pressurized water reactor (PWR). The experiments at the ROSA-V/LSTF facility of the Japan Atomic Energy Research Institute simulated small break LOCAs at the PWR vessel bottom and clarified effects of secondary depressurization as one of the AM measures in case of high pressure injection system failure and non-condensable gas inflow from the accumulator injection system. It was shown that the coolant mass tracking method based on three types of water level instruments could detect most of the primary coolant mass change between the initial state and core-heatup starting condition. The CET characteristics to detect the core heatup conditions were significantly degraded by the condensed water fall-back during the secondary depressurization action.
March 31, 2005Department of Health Physics; Safety Division, Naka; Safety Division, Takasaki; Radiation Control Division, Oarai; Safety Division, Kansai; Operation Safety Administration Division, Mutsu
JAERI-Review 2005-028, 232 Pages, 2005/08
JAERI-Review-2005-028.pdf:13.23MB
no abstracts in English
March 31, 2004Department of Health Physics; Safety Division, Naka; Safety Division, Takasaki; Radiation Control Division, Oarai; Safety Division, Kansai; Operation Safety Administration Division, Mutsu
JAERI-Review 2004-024, 209 Pages, 2004/11
JAERI-Review-2004-024.pdf:26.17MB
no abstracts in English
March 31, 2003Department of Health Physics; Safety Division, Naka; Safety Division, Takasaki; Radiation Control Division, Oarai; Safety Division, Kansai; Operation Safety Administration Division, Mutsu
JAERI-Review 2003-034, 208 Pages, 2003/11
JAERI-Review-2003-034.pdf:13.41MB
no abstracts in English
Department of Health Physics; Safety Division, Naka; Safety Division, Takasaki; Radiation Control Division, Oarai; Safety Division, Kansai; Operation Safety Administration Division, Mutsu
JAERI-Review 2002-036, 219 Pages, 2002/12
JAERI-Review-2002-036.pdf:15.01MB
no abstracts in English
Department of Health Physics; Safety Division, Naka; Safety Division, Takasaki; Radiation Control Division, Oarai; Safety Division, Kansai; Operation Safety Administration Division, Mutsu
JAERI-Review 2001-041, 221 Pages, 2001/12
JAERI-Review-2001-041.pdf:14.1MB
no abstracts in English
Department of Health Physics; Safety Division, Naka; Safety Division, Takasaki; Radiation Control Division, Oarai; Safety Division, Kansai; Operation Safety Administration Division, Mutsu
JAERI-Review 2001-007, 213 Pages, 2001/03
JAERI-Review-2001-007.pdf:10.77MB
no abstracts in English
Watanabe, Noboru*; Teshigawara, Makoto*; Aizawa, Kazuya; Suzuki, Junichi; Oyama, Yukio
JAERI-Tech 98-011, 15 Pages, 1998/03
no abstracts in English
December 2, 1994, Tokai, JapanMurakami, Hiroyuki; Takahashi, Fumiaki
JAERI-Conf 95-014, 160 Pages, 1995/06
no abstracts in English
;
Hoken Butsuri, 19, p.341 - 347, 1984/00
no abstracts in English
Radioisotopes, 33(2), p.100 - 108, 1984/00
no abstracts in English
Kumahara, Tadashi
Denshi Kogyo Geppo, 22(3), p.44 - 49, 1980/00
no abstracts in English
Hoken Butsuri, 15(4), p.269 - 276, 1980/00
no abstracts in English
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JAERI-M 8142, 41 Pages, 1979/03
no abstracts in English
; ; ; ;
IEEE Transactions on Nuclear Science, 25(1), p.485 - 488, 1978/01
Times Cited Count：1no abstracts in English
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JAERI-M 7385, 21 Pages, 1977/11
no abstracts in English
Pellet by Utilizing a Image Analyzing Instrument(QTM)JAERI-M 7289, 40 Pages, 1977/09
no abstracts in English
Genshiryoku Kogyo, 23(2), p.35 - 41, 1977/02
no abstracts in English
Nuclear Instruments and Methods, 143(2), p.267 - 271, 1977/02
no abstracts in English
