Release and transport behaviors of non-gamma-emitting fission products and actinides in steam and hydrogen atmospheres

Miwa, Shuhei ; Ducros, G.*; Hanus, E.*; Bottomley, P. D. W.*; Van Winckel, S.*; Osaka, Masahiko

The release and transport behaviors of 13 non-gamma-emitting fission products (FPs) and actinides in steam and hydrogen atmospheres were investigated based on the chemical analysis of their deposits on the components of VERCORS test loops. The new findings were obtained; strontium release was significantly enhanced in hydrogen atmosphere and a part of released strontium was transported towards the lower temperature region, uranium release was enhanced in steam atmosphere but most of released uranium deposited at high temperature region.

Language	:	English
Journal	:	Nuclear Engineering and Design
Volume	:	326
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Pages	:	p.143 - 149
Publication Year/Month	:	2018/01
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Paper URL	:	https://doi.org/10.1016/j.nucengdes.2017.11.017
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Keywords	:	非ガンマ線放出核種; 核分裂生成物; アクチニド; 放出移行挙動; 福島第一原子力発電所事故; Fukushima Daiichi Nuclear Power Station Accident
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Article of JAEA R&D Review	:	Radioactive-Material Behavior during a Severe Accident; Evaluation of the Release and Transport of Radioactive Materials in a Reactor[/]
Cooperating Institute	:	CEA Cadarache

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Registration No. : AA20170247
JAEA Abstracts No. : 46000265
Paper Submission No. : 19883

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