[2J09-13] Passive Safety System

[2J13] Development of a passive safety shutdown device to prevent core damage accidents in fast reactors

(10) Selection of the device assembly design effective in the reactivity control by its material relocation

*HIROSHI SAGARA¹, Koji Morita², Masatoshi Kawashima¹, Tatsumi Arima², Wei Liu², Yuji Arita³, Isamu Sato⁴ (1. Tokyo Tech, 2. Kyushu Univ, 3. Univ. of Fukui, 4. TCU)

Keywords:Large scale fast reactor, Safety features of reactor core, CMR(Controlled Material Relocation), Device with fuel assembly style

集合体型受動的炉停⽌デバイスを装荷したナトリウム冷却・混合酸化物燃料750MWe級⼤型⾼速炉^1,2を対象に合金燃料型と塩燃料型のデバイス基本仕様を選定した。