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Oto, Tsutomu; Asano, Norikazu; Kawamata, Takanori; Yanai, Tomohiro; Nishimura, Arashi; Araki, Daisuke; Otsuka, Kaoru; Takabe, Yugo; Otsuka, Noriaki; Kojima, Keidai; et al.
JAEA-Review 2020-018, 66 Pages, 2020/11
JAEA-Review-2020-018.pdf:8.87MB
A collapse event of the cooling tower of secondary cooling system in the JMTR (Japan Materials Testing Reactor) was caused by the strong wind of Typhoon No.15 on September 9, 2019. The cause of the collapse of the cooling tower was investigated and analyzed. As the result, it was identified that four causes occurred in combination. Thus, the soundness of the cooling tower of Utility Cooling Loop (UCL cooling tower), which is a wooden cooling tower installed at the same period as the cooling tower of secondary cooling system, was investigated. The items of soundness survey are to grasp the operation conditions of the UCL cooling tower, to confirm the degradation of structural materials, the inspection items and inspection status of the UCL cooling tower, and to investigate the past meteorological data. As the results of soundness survey of the UCL cooling tower, the improvement of inspection items of the UCL cooling tower was carried out and the replacement and repair of the structural materials of the UCL cooling tower were planned for safe maintenance and management of this facility. And the renewal plan of new cooling tower was created to replace the existing UCL cooling tower. This report is summarized the soundness survey of the UCL cooling tower.
Tsuji, Tomoyuki; Sugitsue, Noritake; Sato, Fuminori; Matsushima, Ryotatsu; Kataoka, Shoji; Okada, Shota; Sasaki, Toshiki; Inoue, Junya
Nihon Genshiryoku Gakkai-Shi ATOMO
, 62(11), p.658 - 663, 2020/11
no abstracts in English
Inoue, Junya; Masumoto, Kiyoshi*
Doboku Gakkai Rombunshu, A2 (Oyo Rikigaku) (Internet), 74(2), p.I_55 - I_64, 2019/01
Saturated-unsaturated flow inversion program with adjoint method and least norm method was made to estimate saturated hydraulic conductivity and boundary conditions for multi-layers heterogeneous aquifer model. Vertical two dimensional numerical experiments assuming inclined ground consisting of three layers with different permeability were carried out using this program. Some inversion were carried out by changing the coefficient of least norm term to investigate the strength of constraints on the un-known parameters based on the reference value. The result show that it is possible to estimate the unique value of saturated hydraulic conductivity and boundary conditions for multi-layers heterogeneous aquifer model by the method.
Xu, P. G.; Harjo, S.; Ojima, Mayumi*; Suzuki, Hiroshi; Ito, Takayoshi*; Gong, W.; Vogel, S. C.*; Inoue, Junya*; Tomota, Yo*; Aizawa, Kazuya; et al.
Journal of Applied Crystallography, 51(3), p.746 - 760, 2018/06
Times Cited Count：23 Percentile：90.5(Chemistry, Multidisciplinary)Ojima, Mayumi*; Shiro, Ayumi*; Suzuki, Hiroshi; Inoue, Junya*; Shobu, Takahisa; Xu, P. G.; Akita, Koichi; Nambu, Shoichi*; Koseki, Toshihiko*
Zairyo, 66(6), p.420 - 426, 2017/06
Ojima, Mayumi*; Inoue, Junya*; Nambu, Shoichi*; Xu, P. G.; Akita, Koichi; Suzuki, Hiroshi; Koseki, Toshihiko*
Scripta Materialia, 66(3-4), p.139 - 142, 2012/02
Times Cited Count：67 Percentile：94.36(Nanoscience & Nanotechnology)Hayashi, Koji; Shimazaki, Junya; Nabeshima, Kunihiko; Shinohara, Yoshikuni; Inoue, Kimio*;
JAERI-Research 95-015, 172 Pages, 1995/03
JAERI-Research-95-015.pdf:4.53MB
no abstracts in English
Hayashi, Koji; Shimazaki, Junya; Nabeshima, Kunihiko; Shinohara, Yoshikuni; Inoue, Kimio*;
JAERI-Research 95-004, 178 Pages, 1995/01
JAERI-Research-95-004.pdf:4.66MB
no abstracts in English
Hayashi, Koji; Shimazaki, Junya; Nabeshima, Kunihiko; Shinohara, Yoshikuni; Inoue, Kimio*;
JAERI-M 93-194, 163 Pages, 1993/10
no abstracts in English
Xu, P. G.; Vogel, S. C.*; Suzuki, Hiroshi; Metoki, Naoto; Nambu, Shoichi*; Inoue, Junya*; Akita, Koichi
no journal, ,
The crystallographic textures of high strength austenite-martensite laminated steel were measured with different neutron diffractometers. The comparison of orientation distribution functions (ODFs) showed that the Gaussian integrated intensities obtained from partially overlapping peaks were reliable to calculate the multiphase textures. Collimator optimized parallel neutron beam and good background correction enabled peak maximum intensities from non-overlapping peaks suitable to evaluate the multiphase textures.
Xu, P. G.; Suzuki, Hiroshi; Metoki, Naoto; Akita, Koichi; Vogel, S. C.*; Nambu, Shoichi*; Inoue, Junya*
no journal, ,
Ojima, Mayumi*; Inoue, Junya*; Nambu, Shoichi*; Koseki, Toshihiko*; Xu, P. G.; Akita, Koichi; Suzuki, Hiroshi
no journal, ,
no abstracts in English
Xu, P. G.; Akita, Koichi; Suzuki, Hiroshi; Ojima, Mayumi*; Nambu, Shoichi*; Inoue, Junya*; Koseki, Toshihiko*
no journal, ,
Ojima, Mayumi*; Inoue, Junya*; Nambu, Shoichi*; Koseki, Toshihiko*; Xu, P. G.; Akita, Koichi; Suzuki, Hiroshi; Shobu, Takahisa; Shiro, Ayumi; Zhang, S.
no journal, ,
no abstracts in English
Xu, P. G.; Akita, Koichi; Suzuki, Hiroshi; Ojima, Mayumi*; Inoue, Junya*; Nambu, Shoichi*; Vogel, S. C.*; Koseki, Toshihiko*
no journal, ,
Shiro, Ayumi; Shobu, Takahisa; Suzuki, Hiroshi; Ojima, Mayumi*; Nambu, Shoichi*; Inoue, Junya*
no journal, ,
no abstracts in English
Xu, P. G.; Ojima, Mayumi*; Inoue, Junya*; Shiro, Ayumi; Akita, Koichi; Nambu, Shoichi*; Suzuki, Hiroshi; Harjo, S.; Gong, W.; Tomota, Yo; et al.
no journal, ,
Ojima, Mayumi*; Inoue, Junya*; Anto, Fuka*; Nambu, Shoichi*; Koseki, Toshihiko*; Xu, P. G.; Shiro, Ayumi; Akita, Koichi; Shobu, Takahisa; Suzuki, Hiroshi
no journal, ,
no abstracts in English
Inoue, Shizuo; Shiraishi, Junya; Ide, Shunsuke; Isayama, Akihiko; Matsunaga, Go; Takechi, Manabu
no journal, ,
no abstracts in English
Shiraishi, Junya; Honda, Mitsuru; Hayashi, Nobuhiko; Aiba, Nobuyuki; Toma, Mitsunori; Matsuyama, Akinobu; Naito, Osamu; Miyata, Yoshiaki; Inoue, Shizuo; Narita, Emi; et al.
no journal, ,
no abstracts in English
