第12回
シビアアクシデントコードMAAP の改良と事故解析
著者:
藤井 正,Tadashi FUJII,酒井 健,Takeshi SAKAI,西田 浩二,Koji NISHIDA,小島 良洋,Yoshihiro KOJIMA,千原 瑠為,Rui CHIHARA,狩野 喜二,Yoshiji KARINO
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As part of efforts to decommissioning of the Fukushima Daiichi nuclear power plants (NPP), model enhancement of severe accident analysis code “MAAP” and accident progression analyses for Fukushima Daiichi NPP have been conducted for preparation of fuel debris retrieval. The object of this study is estimation of reactor core and containment vessel status for decision of planning the debris retrieval method based on the accident progression analysis results. This report summarizes the model improvement ...
英字タイトル:
Enhancement of Severe Accident Code MAAP and Accident Progression Analysis for Fukushima Daiichi Nuclear Power Plant
第10回
フィルタードベントシステムに関する研究
著者:
藤井 康弘,Yasuhiro FUJII,奈良林 直,Tadashi NARABAYASHI,佐藤 修彰,Nobuaki SATO,辻 雅司,Masashi TSUJI,千葉 豪,Go CHIBA,川本 洋右,Yosuke KAWAMOTO
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This paper describes how to write a manuscript of the 18th PES Proceedings. In the Fukushima Daiichi Nuclear Power Plant accident, a great deal of radioactive material was released to surrounding environment. After the accident, the Filtered Containment Venting System (FCVS) that can remove radioactive material from steam in containment vessel has attracted a great deal of attentions. However, there is few knowledge of filtered vent in Japan because almost filtered vent were developed in Europe after ...
英字タイトル:
Research related to Filtered Venting System
第10回
米フォートカルホーンの洪水時の対応と再稼動への取り組み
著者:
藤井 有蔵,Yuzo FUJII,水町 渉,Wataru MIZUMACHI,奈良林 直,Tadashi NARABAYASHI
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Fort Calhoun NPP(FCNPP) experienced flood due to the elevation of water level of Missouri river from June to August, 2011. FCNPP took various responses including constructing the berm around the important facilities, and could maintain the safety of the reactor with difficulty. The response of FCNPP, which includes both good and bad aspects, will help us in examining the response to flooding at Japanese nuclear plants. In response to the occurrence of the fire of safety related breaker at FCNPP, June ...
英字タイトル:
Response for Flooding and Effort of Plant Restart at Fort Calhoun NPP
第11回
銀ゼオライトを用いた高除染性フィルターベントシステムの開発
著者:
奈良林 直,Tadashi NARABAYASHI,藤井 康弘,Yasuhiro FUJII,石井 翼,TasuNu ISHII,千葉 豪,Go CHIBA,辻 雅司,Masashi TSUJI
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FuNushima Daiichi NPP accident would be terminated, if sufficient accident countermeasures, such as water proof door, mobile power, etc. In case of Europe, it had already installed the heat removal system and filtered containment venting system (FCVS) from the lessons o f TMI and Chernobyl Accidents. Decay heat removal system and CV spray cooling system with FCVS are ensured by using mobile generators and heat exchangers to Neep the ultimate heat sinN even in any natural disaster, such as large earthquaNe,...
英字タイトル:
Development of High Efficiency Filtered Containment Venting System by using AgX