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Niunoya, Sumio*; Hata, Koji*; Uyama, Masao*; Aoyagi, Kazuhei; Tanai, Kenji
Dai-47-Kai Gamban Rikigaku Ni Kansuru Shimpojiumu Koenshu (Internet), p.92 - 97, 2020/01
Since underground water at the Horonobe Underground Research Laboratory site includes the dissolved gas, it is important to understand the quantitative behavior of AE signal waveform clearly and to develop the criteria of sorting technique. In this report, we tried to perform two types of laboratory tests (Small pipe test and Flat-plate test) in order to obtain detail data of AE signal wave form under two-phase flow. As the result, we could understand that there exists the relationship between the pressure breathing and AE generation, and that the diameter of pipe did not affect the AE behavior.
Ueno, Tetsuro; Takeuchi, Ryuji
JAEA-Data/Code 2017-003, 46 Pages, 2017/03
Tono Geoscience Center of Japan Atomic Energy Agency (JAEA) is pursuing a geoscientific research and development project namely the Mizunami Underground Research Laboratory (MIU) Project in crystalline rock environment in order to construct scientific and technological basis for geological disposal of High-level Radioactive Waste (HLW). The MIU Project has three overlapping phases: Surface-based Investigation phase (Phase I), Construction Phase (Phase II), and Operation phase (Phase III). As for The MIU Project (Phase II) was carried out from 2004 fiscal year, and has been started the Phase III in 2010 fiscal year. The groundwater inflow monitoring into shafts and research galleries, has been maintained to achieve the Phase II goals, begins in 2004 fiscal year and follow now. This document presents the results of the groundwater inflow monitoring from fiscal year 2014 to 2015.
Verzilov, Y. M.; Nishitani, Takeo; Ochiai, Kentaro; Kutsukake, Chuzo; Abe, Yuichi
Fusion Engineering and Design, 81(8-14), p.1477 - 1483, 2006/02
Times Cited Count:2 Percentile:17.14(Nuclear Science & Technology)no abstracts in English
Nishitani, Takeo; Ebisawa, Katsuyuki*; Walker, C.*; Kasai, Satoshi
JAERI-Tech 2002-033, 40 Pages, 2002/03
no abstracts in English
Konno, Chikara; Maekawa, Fujio; Kasugai, Yoshimi; Uno, Yoshitomo; Kaneko, Junichi; Nishitani, Takeo; Wada, Masayuki*; Ikeda, Yujiro; Takeuchi, Hiroshi
Nuclear Fusion, 41(3), p.333 - 337, 2001/03
Times Cited Count:3 Percentile:10.95(Physics, Fluids & Plasmas)no abstracts in English
Yamashita, Kiyonobu; ; Nakagawa, Shigeaki; Tanaka, Toshiyuki
J. Nucl. Mater. Manage., 25(4), p.15 - 19, 1997/08
no abstracts in English
Usuda, Shigekazu; Abe, Hitoshi
Journal of Nuclear Science and Technology, 31(1), p.73 - 79, 1994/01
Times Cited Count:15 Percentile:77(Nuclear Science & Technology)no abstracts in English
Usuda, Shigekazu; Sakurai, Satoshi; ; Hirata, Masaru
JAERI-M 92-005, 13 Pages, 1992/02
no abstracts in English
Usuda, Shigekazu; Abe, Hitoshi
Nuclear Instruments and Methods in Physics Research A, 321, p.242 - 246, 1992/00
Times Cited Count:17 Percentile:81.26(Instruments & Instrumentation)no abstracts in English