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Plant system study of France-Japan common concept on Sodium-cooled Fast Reactor

日仏共通化ナトリウム冷却炉のプラントシステム検討

加藤 篤志 ; 山本 智彦  ; 安藤 将人; 近澤 佳隆  ; 村上 久友*; 大山 一弘*; 金子 文彰*; 日暮 浩一*; Chanteclair, F.*; Chenaud, M.-S.*; Dechelette, F.*; Hourcade, E.*; Plancq, D.*; Rodriguez, G.*; Carluec, B.*; Dauphin, A.*; Dirat, J.-F.*; Hirn, J.*

Kato, Atsushi; Yamamoto, Tomohiko; Ando, Masato; Chikazawa, Yoshitaka; Murakami, Hisatomo*; Oyama, Kazuhiro*; Kaneko, Fumiaki*; Higurashi, Koichi*; Chanteclair, F.*; Chenaud, M.-S.*; Dechelette, F.*; Hourcade, E.*; Plancq, D.*; Rodriguez, G.*; Carluec, B.*; Dauphin, A.*; Dirat, J.-F.*; Hirn, J.*

本稿はナトリウム冷却炉のプラントシステムに採用する技術について、仏国のアストリッド炉等を基にして日仏の技術仕様共通化を検討し、共通プラントの構築に係る検討の成果をまとめている。特に地震条件の違いに対応した原子炉構造設計では、日本側で採用している高周波設計を日仏で共有し、適応を試みている。その他、蒸気発生器、崩壊熱除去システム、燃料取り扱いシステム、および格納容器の仕様共通化の検討を紹介する。

This paper provides an overview of plant system studies to establish a common technical view for Sodium-cooled Fast Reactor concept between France and Japan based on ASTRID600 and the new concept with downsized output called ASTRID150. One of important issues on a reactor structure design is to enhance seismic resistance to be tolerable against strong earthquake such that postulated in Japan. A concept of High Frequency Design is shared, and the design options related to HFD have been examined and design recommendations are established. In addition, this paper include results of studies for a steam generator, a decay heat removal system, a fuel handling system and a containment vessel.

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