2017 Annual Meeting

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III. Fission Energy Engineering » 304-1 Thermal Hydraulics, Energy Conversion, Energy Transfer, Energy Storage

[2K01-05] Severe Accident 1

Tue. Mar 28, 2017 9:30 AM - 10:55 AM Room K (16-306 Building No.16)

Chair: Yasuteru Sibamoto (JAEA)

9:30 AM - 9:45 AM

[2K01] Development of Numerical Simulation for Jet Breakup Behavior in Complicated Structure of BWR Lower Plenum

(16)Fragment Falling Behavior in Complicated Structures

*Yuki Narushima1, Yutaka Abe1, Akiko Kaneko1, Takayuki Suzuki2, Hiroyuki Yoshida2 (1. University of Tsukuba, 2. Japan Atomic Energy Agency)

Keywords:Boiling water reactor, Visualization experiments

BWR炉心溶融時における溶融燃料の落下挙動把握は過酷事故対策の観点から必要不可欠である．本研究グループでは溶融燃料の落下挙動を予測するための数値解析コードの開発を行っている．本研究はジェット微粒化後の微粒化物の落下挙動の詳細可視化計測を行い，複雑構造物が微粒化物の落下挙動に及ぼす影響の検討を行う．