Oral presentation

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

[2G08-12] Fukushima Daiichi NPS Accident

Thu. Sep 17, 2020 2:45 PM - 4:15 PM Room G (Zoom room 7)

Chair:Akitoshi Hotta(NRA)

2:45 PM - 3:00 PM

[2G08] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics
Modeling

(3)Overview of the Project and Progress of the First Year

*Akifumi Yamaji¹, Masahiro Furuya¹, Yuji Ohishi², Ikken Sato³, Hirofumi Fukai¹, Xin Li¹, Hiroshi Madokoro³ (1. Waseda Univ., 2. Osaka Univ., 3. JAEA)

3:00 PM - 3:15 PM

[2G09] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics Modeling

(4)Consideration on possible RPV-boundary failure modes of Unit 2

*IKKEN SATO¹, Akifumi Yamaji², Masahiro Furuya², Yuji Ohishi³, Xin Li², Hiroshi Madokoro¹, Hirofumi Fukai² (1. Japan Atomic Energy Agency, 2. Waseda University, 3. Osaka University)

3:15 PM - 3:30 PM

[2G10] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics Modeling

(5)Numerical Analysis of Simulant Molten Debris Spreading and Ablation on BWR Pedestal Experiments with MPS Method

*Xin Li¹, Akifumi Yamaji¹, Guangtao Duan², Masahiro Furuya¹, Hirofumi Fukai¹, Ikken Sato³, Hiroshi Madokoro³, Yuji Ohishi⁴ (1. Waseda Univ., 2. Univ. of Tokyo, 3. JAEA, 4. Osaka Univ.)

3:30 PM - 3:45 PM

[2G11] Analysis of fission products released to environment to clarify the accident of Fukushima Daiichi Nuclear Power Station

*Masashi Himi¹, koichi Nakamura¹, Satoshi Nishimura¹, Yoko Yamane², Takashige Sekiguchi² (1. criepi, 2. Advancesoft Co.)

3:45 PM - 4:00 PM

[2G12] The effect of the molten metal amount and the outlet on corium spreading

*Ryo Yokoyama¹, Shunichi Suzuki¹, Koji Okamoto¹ (1. Univ. of Tokyo)

Time reserved for Chair (4:00 PM - 4:15 PM)

Session information

[2G08-12] Fukushima Daiichi NPS Accident

[2G08] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics
Modeling

(3)Overview of the Project and Progress of the First Year

[2G09] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics Modeling

(4)Consideration on possible RPV-boundary failure modes of Unit 2

[2G10] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics Modeling

(5)Numerical Analysis of Simulant Molten Debris Spreading and Ablation on BWR Pedestal Experiments with MPS Method

[2G11] Analysis of fission products released to environment to clarify the accident of Fukushima Daiichi Nuclear Power Station

[2G12] The effect of the molten metal amount and the outlet on corium spreading

Authentication

Session information

[2G08-12] Fukushima Daiichi NPS Accident

[2G08] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-PhysicsModeling

(3)Overview of the Project and Progress of the First Year

[2G09] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics Modeling

(4)Consideration on possible RPV-boundary failure modes of Unit 2

[2G10] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics Modeling

(5)Numerical Analysis of Simulant Molten Debris Spreading and Ablation on BWR Pedestal Experiments with MPS Method

[2G11] Analysis of fission products released to environment to clarify the accident of Fukushima Daiichi Nuclear Power Station

[2G12] The effect of the molten metal amount and the outlet on corium spreading

Authentication

[2G08] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics
Modeling