Oral presentation

IV. Nuclear Plant Technologies » 402-1 Nuclear Safety Engineering (Safety Design, Safety Assessment/Analysis, Management)

[2O15-18] Accident Behavior inside Building

Thu. Sep 7, 2023 3:50 PM - 4:55 PM Room O (School of Eng. Bildg. 2F 522)

Chair:Tomoaki SAKURAI(NRA)

3:50 PM - 4:05 PM

[2O15] Effect of hydrogen emissions from buildings during significant containment leaks in PWRs.

(1) Parameter study using simple model

*Kenichiro Ueda¹, Yasumitsu Fujii², Hidenori Kanaoka³, Kosuke Takeuchi⁴, Takahide Yoshida⁵, Wataru Urano⁶, Yasutaka Harai¹ (1. Mitsubishi Heavy Industries,Ltd., 2. The Kansai Electric Power Co, Inc., 3. Hokkaido Electric Power Co.,Inc., 4. Shikoku Electric Power Company, Incorporated, 5. KYUSHU ELECTRIC POWER CO., INC., 6. The Japan Atomic Power Company)

4:05 PM - 4:20 PM

[2O16] Effect of hydrogen emissions from buildings during significant containment leaks in PWRs.

(2) Hydrogen diffusion and mixing analysis with detailed annulus shape

*Yasutaka Harai¹, Ryo Fukuda¹, Kenichiro Ueda¹, Hiroyuki Sakamoto², Tomoya Iwamoto² (1. MHI, 2. MHI NSE)

4:20 PM - 4:35 PM

[2O17] Development of Reactor Building and Containment Vessel Thermo-Fluid Dynamics Code, Advance/BAROC

(1)Analysis of hydrogen concentration distribution in the reactor building during blowout panel operation

*Fumitomo Onishi¹, Achihiro Hamano¹, Toshiharu Mitsuhashi ¹, Atuso Takahashi¹, Hirotaka Hadachi¹, Hideaki Koike¹, Masanori Naitoh¹ (1. AdvanceSoft)

4:35 PM - 4:50 PM

[2O18] Development of Reactor Building and Containment Vessel Thermo-Fluid Dynamics Code, Advance/BAROC

(2) Analysis for NSPP aerosol experiment

*Atsuo Takahashi¹, Toshiharu Mitsuhashi¹, Achihiro Hamano¹, Fumitomo Onishi¹, Hirotaka Hadachi¹, Hideaki Koike¹, Masanori Naitoh¹ (1. AdvanceSoft Corporation)

Time reserved for Chair (4:50 PM - 4:55 PM)

Session information