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燃料デブリ堆積挙動に関する実験的研究; 混合粒子によるベッド形成特性

Experimental study on sedimentation behavior of fuel debris; Characteristics of bed formation with mixture particles

神山 基紀*; 出口 亮平*; 森岡 徹*; 松元 達也*; 守田 幸路*; 松場 賢一; 神山 健司; 鈴木 徹

Kamiyama, Motoki*; Deguchi, Ryohei*; Morioka, Toru*; Matsumoto, Tatsuya*; Morita, Koji*; Matsuba, Kenichi; Kamiyama, Kenji; Suzuki, Toru

高速炉の炉心損傷事故時における炉心外への燃料デブリの流出・堆積挙動を明らかにするために基礎的な実験を実施し、特性の異なる粒子を混合した模擬デブリの水中での落下・堆積挙動及び粒子ベッドの形成特性について検討した。

In order to clarify sedimentation behavior of fuel debris during core disruptive accidents in sodium-cooled fast reactors, fundamental experiments were carried out, where solid particles simulating fuel debris were injected into a water pool. Based on the experimental results, sedimentation behavior and bed formation of different particles in properties were characterized.

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