Oral presentation

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

[3K01-09] 1F Accident 2

Thu. Mar 28, 2024 9:30 AM - 11:55 AM Room K (21Bildg.4F 21-422)

Chair:Riichiro Okawa(CRIEPI)

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9:30 AM - 9:45 AM

[3K01] Estimation of RPV damage and fuel debris relocation behavior in the PCV at Fukushima Daiichi Nuclear Power Station

(1)Development of 3D estimation diagrams and the debrisEye

*Takuya Yamashita¹, Kenta Shimomura¹, Eiichi Nagai², Tomohiro Yasumatsu³, Shinya Mizokami^4,1 (1. JAEA, 2. Prometech Software, 3. NDD, 4. TEPCO HD)

9:45 AM - 10:00 AM

[3K02] Estimation of RPV damage and fuel debris relocation behavior in the PCV at Fukushima Daiichi Nuclear Power Station

(2)Fukushima Daiichi Nuclear Power Plant unit2 evaluation of containment behavior under the severe accident condition

*Shinya Mizokami^1,3, Yuki Nakamura², Yoshihiro Kojima², Kenta Shimomura¹, Takuya Yamashita¹ (1. JAEA, 2. TOSHIBA ESS, 3. TEPCO HD)

10:00 AM - 10:15 AM

[3K03] Estimation of RPV damage and fuel debris relocation behavior in the PCV at Fukushima Daiichi Nuclear Power Station

(3)Fukushima Daiichi Nuclear Power Plant unit3 evaluation of containment behavior under the severe accident condition

*Yuki Nakamura¹, Yoshihiro Kojima¹, Takuya Yamashita², Kenta Shimomura², Shinya Mizokami^2,3 (1. TOSHIBA ESS, 2. JAEA, 3. TEPCO HD)

10:15 AM - 10:30 AM

[3K04] Estimation of RPV damage and fuel debris relocation behavior in the PCV at Fukushima Daiichi Nuclear Power Station

(4)RPV lower head penetration failure test due to eutectic reaction (ELSA-3)

*Kenta Shimomura¹, Takuya Yamashita¹, Yuji Nagae¹ (1. JAEA)

10:30 AM - 10:45 AM

[3K05] Estimation of RPV damage and fuel debris relocation behavior in the PCV at Fukushima Daiichi Nuclear Power Station

(5)Evaluation of temperature behavior of CRD Housing of Unit 2 during accident progress

*Kazuaki Sakae¹, Akihiko Hashimoto¹, Takuya Yamashita², Kenta Shimomura² (1. NDD, 2. JAEA)

10:45 AM - 11:00 AM

[3K06] Estimation of RPV damage and fuel debris relocation behavior in the PCV at Fukushima Daiichi Nuclear Power Station

(6)Evaluation of the core material relocation behavior

*Akifumi Yamaji¹, Ikken Sato¹, Xin Li², Takeshi Yamada¹, Takuya Yamashita² (1. Waseda Univ., 2. JAEA)

11:00 AM - 11:15 AM

[3K07] Estimation of RPV damage and fuel debris relocation behavior in the PCV at Fukushima Daiichi Nuclear Power Station

(7)Clarification of boundary conditions for evaluation of the core material relocation behavior

*Ikken Sato¹, Akifumi Yamaji¹, Xin Li², Takuya Yamashita yamashita² (1. Waseda University, 2. Japan Atomic Energy Agency)

11:15 AM - 11:30 AM

[3K08] Estimation of RPV damage and fuel debris relocation behavior in the PCV at Fukushima Daiichi Nuclear Power Station

(8)Numerical simulation of core material relocation behavior in the RPV lower head region

*Xin Li¹, Akifumi Yamaji², Ikken Sato², Takuya Yamashita¹ (1. JAEA, 2. Waseda Univ.)

11:30 AM - 11:45 AM

[3K09] Estimation of RPV damage and fuel debris relocation behavior in the PCV at Fukushima Daiichi Nuclear Power Station

(9)Improvement of the crust model in the MPS method and analysis of MCCI experiments

*Takeshi Yamada¹, Xin Li², Ikkn Sato¹, Takuya Yamasita², Akifumi Yamaji¹ (1. Waseda University, 2. JAEA)

Time reserved for Chair (11:45 AM - 11:55 AM)

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