Oral presentation

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

[2J04-08] Fukushima Daiichi NPS Accident

Thu. Sep 9, 2021 10:30 AM - 12:00 PM Room J

chair: Akitoshi Hotta (NRA)

10:30 AM - 10:45 AM

[2J04] Investigation on accident progression of 1F2 during the 7 hours after the depressurization using MELCOR-2.2

*Shotaro Osako¹, Akifumi Yamaji¹, Xin Li² (1. Waseda University, Cooperative Major in Nuclear Energy, 2. Waseda Research Institute for Science and Engineering)

10:45 AM - 11:00 AM

[2J05] Investigation of Accident Scenario and Fission Products Behaviors in Fukushima Daiichi Nuclear Power Plant using SAMPSON code

(3)Estimation of Pressure behaviors of Unit-3 using SAMPSON code

*Chiaki Kino¹, Kenichi Tezuka¹ (1. IAE)

11:00 AM - 11:15 AM

[2J06] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics Modeling

(9)Fukushima-Daiichi Unit-3 Plant Data Analysis Focusing on Estimated Fuel Debris Relocation to the Pedestal

*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)

11:15 AM - 11:30 AM

[2J07] Estimation of the In-Depth Debris Status of Fukushima Unit-2 and Unit-3 with Multi-Physics Modeling

(10)Evaluation of debris relocation and interaction with pedestal structures in Fukushima Daichi Unit-3 with MPS method

*Xin Li¹, Akifumi Yamaji¹, Ikken Sato², Masahiro Furuya¹, Hiroshi Madokoro², Yuji Ohishi³ (1. Waseda Univ., 2. JAEA, 3. Osaka Univ.)

11:30 AM - 11:45 AM

[2J08] LIVE experiment on thermal behavior of solid-liquid mixture pool in RPV lower head

*Hiroshi Madokoro¹, Xiaoyang Gaus-Liu², Thomas Cron², Beatrix Fluhrer², René Stängle², Thomas Wenz², Mike Vervoortz², Takuya Yamashita¹, Ikken Sato¹, Shinya Mizokami^1,3 (1. JAEA, 2. KIT, 3. TEPCO HD)

Time reserved for Chair (11:45 AM - 12:00 PM)

Session information