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Okada, Takashi; Takeda, Seiji; Nakata, Hisakazu
Nihon Genshiryoku Gakkai-Shi ATOMO
, 59(10), p.603 - 607, 2017/10
Because the reclaimed material is used, quantity of disposal of the removal soil can decrease. It is a strategic key to utilize the reclaimed material. As for this report, it is explained to about the fundamentals of the safe use of the reclaimed materials derived from the removed soil.
Shibata, Atsuhiro; Koma, Yoshikazu; Oi, Takao; Takahashi, Hirokazu*
no journal, ,
no abstracts in English
Nakagiri, Toshio; Sudo, Ayako; Yoshikawa, Shinji; Abe, Yuta; Sato, Ikken
no journal, ,
Temperature distribution and composition of atmosphere (H
/HO ratio) in the accident of Fukushima Daiichi Nuclear Power Plant No.2 were evaluated using RELAP/SCDAPSIM code. Furthermore, distruption test of stainless steel specimen by metal melt assumeed to be generated in core melting phase in the accident was performed. From these results and the result of another plasma heating test using simulated fuel budle performed by JAEA, relocation behavior of melt in the accident was evaluated.
Sugiyama, Daisuke*; Koma, Yoshikazu; Takahatake, Yoko; Aoki, Yoshio*; Nakabayashi, Ryo*; Fujita, Tomonari*
no journal, ,
The introduction of a stochastic approach to the calibration of the radionuclide transport parameters, which processes the frequency distribution of the analytical measured data accumulated progressively on the wastes and contaminated water, into the modelling estimation method of the radioactive waste inventory generated at the Fukushima Daiichi Nuclear Power Station is investigated. It is expected that the accuracy of the modelling estimation of radionuclide composition in wastes will be improved by describing the radionuclide transport parameters as a lognormal distribution.
Sugiyama, Daisuke*; Nakabayashi, Ryo*; Koma, Yoshikazu; Takahatake, Yoko; Aoki, Yoshio*
no journal, ,
no abstracts in English