Oral presentation

[2D09-12] Accident Analysis

Wed. Mar 27, 2024 2:45 PM - 3:50 PM Room D (21Bildg.3F 21-312)

Chair:Yuki Nakamura(TOSHIBA ESS)

+Add all to schedule

2:45 PM - 3:00 PM

[2D09] Study on PWR accident analysis using TRACE code

(1)Comparison of LSTF test (SB-CL-18) and actual PWR plant analysis

*Kaho GOTO¹, Hideki YAGIHASHI¹, Masashi SEKINE¹, Naofumi TSUKAMOTO¹ (1. Nuclear Regulation Authority)

3:00 PM - 3:15 PM

[2D10] Study on PWR accident analysis using TRACE code

(2)Analysis of phenomena occurring in small-break LOCA

*Hideki Yagihashi¹, Kaho Goto¹, Masashi Sekine¹, Naofumi Tsukamoto¹ (1. Nuclear Regulation Authority JAPAN)

3:15 PM - 3:30 PM

[2D11] Analyses of accident progression in domestic 4-loop PWR plant using MELCOR2.2

*Junichi Kaneko¹, Masami Taira¹, Wataru Kikuchi¹, Akitochi Hotta¹, Saoto Fukui², Masahiko Yamadi², Souichirou Tanimori² (1. NRA, 2. AdvanceSoft)

3:30 PM - 3:45 PM

[2D12] Regarding venting behavior or hydrogen explosion at Fukushima Daiichi Nuclear Power Station Units 1 to 4

１,３号機はベント後水素爆発。2号機はベントできず、4号機は炉心溶融していないが水素爆発

*Haruo MORISHIGE Morishige¹, Yasufumi Kitamura² (1. Fukushima Nuclear Accident Countermeasures Review Group, 2. Kitamura Co., Ltd.)

Time reserved for Chair （3:45 PM - 3:50 PM）

Oral presentation

[2D13-15] Uncertainty Analysis Method

Wed. Mar 27, 2024 3:50 PM - 4:40 PM Room D (21Bildg.3F 21-312)

Chair:Takafumi Narukawa(UTokyo)

+Add all to schedule

3:50 PM - 4:05 PM

[2D13] Analysis of TI-SGTR initiated from ATWS in 3 Loop PWR Plants

(1)Development of Modeling Base Time Series Data Analysis System

*Akitoshi Hotta¹, Wataru Kikuchi¹, Tadashi Kamada² (1. Nuclear Regulation Authority, 2. FMIC R&D)

4:05 PM - 4:20 PM

[2D14] Analysis of TI-SGTR initiated from ATWS in 3 Loop PWR Plants

(2)Development of Statistical Evaluation System and Pilot Analysis

*Wataru Kikuchi¹, Akitoshi Hotta¹, Tadashi Kamada² (1. Nuclear Regulation Authority, 2. FMIC R&D INC.)

4:20 PM - 4:35 PM

[2D15] Inverse Uncertainty Quantification with the use of Deep Neural Networks

*Miki Saito¹, Atsushi Ui¹ (1. CRIEPI)

Time reserved for Chair （4:35 PM - 4:40 PM）

Oral presentation

[2D16-19] Information Science, Regulatory Guide, Education

Wed. Mar 27, 2024 4:40 PM - 5:40 PM Room D (21Bildg.3F 21-312)

Chair:Shin-etsu Sugawara(Kansai Univ.)

+Add all to schedule

4:40 PM - 4:55 PM

[2D16] Construction of database system for nuclear power plant analysis codes

To improve the environment for reusing, updating, and renewing proven existing data

*Yoichi Tanaka¹, Masahiro Aono¹, Fumitaka Suto¹, Koichiro Ishizaka¹, Osamu Ukai¹ (1. Advanced Simulation Technology Of Mechanics R&D Co., Ltd.)

4:55 PM - 5:10 PM

[2D17] Role of probabilistic consideration on knowledge base for nuclear emergency and response

*Rei Nakano¹, Kenta Murakami¹, Naoto Sekimura¹ (1. UTokyo)

5:10 PM - 5:25 PM

[2D18] Comparison of Regulatory Guide for MSR Safety Design with RG for LWR

*Ritsuo Yoshioka¹, Takeshi Morita¹, Koji Ogasawara¹, Motoyasu Kinoshita¹, Yoichiro Shimazu², Masaaki Furukawa³ (1. International Thorium Molten-Salt Forum, 2. Beyond Energy Research & Development Association, 3. Thorium Tech Solution Inc.)

5:25 PM - 5:40 PM

[2D19] Possibilities of Education based on Reference to the Method of Deliberative Poll

Discussion on ALPS Treated Water and Soil from Off site Decontamination Work

*KYOKO OBA^1,2, Noboru Yanase³, Shigekazu Suzuki⁴ (1. Nagaoka Univ. of Tech., 2. JAEA, 3. Nihon Univ., 4. NIT Fukushima College)

Oral presentation

[3D01-05] Containment Filtered Venting System

Thu. Mar 28, 2024 9:45 AM - 11:05 AM Room D (21Bildg.3F 21-312)

Chair:Hidetoshi Karasawa(JAEA)

+Add all to schedule

9:45 AM - 10:00 AM

[3D01] Development of Advanced Filtered Containment System

(1) Development Plan

*Tadashi Narabayashi¹, Hiroshige Kikura¹, Koji Endo², Tomohiko Yoshii³, Sanshiro Kobayashi⁴ (1. Tokyo Institute of Technology, 2. Rasa Industry, 3. KCPC, 4. Morimura Bros.)

10:00 AM - 10:15 AM

[3D02] Development of Advanced Filtered Containment System

(2) Metal Fiber Technology

*Yasuhiro Kawahara¹, Tadashi Narabayashi², Koji Endo³, Sanshiro Kobayashi⁴ (1. KCPC, 2. Tokyo Tech, 3. RASA, 4. Morimura)

10:15 AM - 10:30 AM

[3D03] Development of Advanced Filtered Containment System

(3) Properties of Radioiodine Adsorbents AgX and AgR

*Toshiki Kobayashi¹, Yosihiro Ishikawa¹, Koji Endo¹, Tadashi Narabayashi², Yasuhiro Kawahara³ (1. RASA, 2. Tokyo Tech, 3. Kimura Chemical Plants)

10:30 AM - 10:45 AM

[3D04] Development of Advanced Filtered Containment System

(4) Portable Filter System

*Akari Shiino¹, Yasuhiro Kawahara¹, Tadashi Narabayashi², Koji Endo³, Yoshihiro Ishikawa³, Sanshiro Kobayashi⁴ (1. KCPC, 2. Tokyo Tech, 3. RASA, 4. Morimura)

10:45 AM - 11:00 AM

[3D05] Development of Advanced Filtered Containment System

(5) Xenon adsorbent XeA as a countermeasure for severe accidents.

*Yoshihiro Ishikawa¹, Koji Endo¹, Tadashi Narabayashi², Yasuhiro Kawahara⁴, Yuta Nakasaka³ (1. RASA, 2. Tokyo Tech, 3. Hokkaido Univ., 4. Kimura Chemical Plants)

Time reserved for Chair （11:00 AM - 11:05 AM）

Oral presentation

[3D06-08] Behaviors of FP and Hydrogen

Thu. Mar 28, 2024 11:05 AM - 11:55 AM Room D (21Bildg.3F 21-312)

Chair:Junichi Kaneko(NRA)

+Add all to schedule

11:05 AM - 11:20 AM

[3D06] Study of FP transport behavior through TeRRa-CsOH experimental analysis using FP behavior analysis code FIPRA

*Yoshihiro Morita¹, Masanori Naitoh¹ (1. AdvanceSoft)

11:20 AM - 11:35 AM

[3D07] Basic study of the applicability of PAR installed in PCV for BWRs

*Motoshige Yagyu¹, Akira Tsuyuki¹, Koichi Muramatsu¹, Mika Tahara¹, Hirofumi Okabe¹, Hiroko Abe¹, Kazuya Yamada¹, Hitoshi Kubo², Yasunori Iwai³, Kato Syunsuke (1. TOSHIBA ESS, 2. Tanaka Kikinzoku Kogyo, 3. QST)

11:35 AM - 11:50 AM

[3D08] Preliminary investigation on hydrogen leakage behavior at reactor containment vessel seals during severe accident

*Daisuke Tochio¹ (1. NRA)

Time reserved for Chair （11:50 AM - 11:55 AM）

Oral presentation

[3D09-13] Methodology Development

Thu. Mar 28, 2024 2:45 PM - 4:05 PM Room D (21Bildg.3F 21-312)

Chair:SHIN KIKUCHI(JAEA)

+Add all to schedule

2:45 PM - 3:00 PM

[3D09] Development of Reactor Building and Containment Vessel Thermo-Fluid Dynamics Code, Advance/BAROC

(9)Parametric Evaluation of Hydrogen Inflow Locations into Reactor Building on Overall Hydrogen Distribution

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

3:00 PM - 3:15 PM

[3D10] Development of Reactor Building and Containment Vessel Thermo-Fluid Dynamics Code, Advance/BAROC

(10)Improvements and sample analysis to simulate transient behavior of FP aerosol leak through the shield plug

*Atsuo Takahashi¹, Toshiharu Mitsuhashi¹, Achihiro Hamano¹, Fumitomo Onishi¹, Hirotaka Hadachi¹, Koike Hideaki¹, Masanori Naitoh¹ (1. AdvanceSoft Corporation)

3:15 PM - 3:30 PM

[3D11] Development of evaluation methods for High Energy Arcing Faults (HEAF)

(3) Study of radiation on HEAF explosion

*Tomoaki SAKURAI¹, Hajime KABASHIMA¹, Toshihiro YOSHII² (1. NRA, 2. FMIC R&D INC.)

3:30 PM - 3:45 PM

[3D12] Development of fundamental numerical simulation system for integrated safety evaluation in various innovative sodium-cooled fast reactor

(15) Development and verification of disrupted core evaluation module

*Shinya Ishida¹, Akihiro Uchibori¹, Yasushi Okano¹ (1. JAEA)

3:45 PM - 4:00 PM

[3D13] Development of core deformation reactivity evaluation method

(1) Application to the EBR-II SHRT-45R test

*Norihiro Doda¹, Shinya Kato¹, Kazuo Yoshimura¹, Tomoyuki Uwaba¹, Kenji Yokoyama¹, Masaaki Tanaka¹ (1. JAEA)

Time reserved for Chair （4:00 PM - 4:05 PM）

Sessions

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

[2D09-12] Accident Analysis

(1)Comparison of LSTF test (SB-CL-18) and actual PWR plant analysis

(2)Analysis of phenomena occurring in small-break LOCA

１,３号機はベント後水素爆発。2号機はベントできず、4号機は炉心溶融していないが水素爆発

[2D13-15] Uncertainty Analysis Method

(1)Development of Modeling Base Time Series Data Analysis System

(2)Development of Statistical Evaluation System and Pilot Analysis

[2D16-19] Information Science, Regulatory Guide, Education

To improve the environment for reusing, updating, and renewing proven existing data

Discussion on ALPS Treated Water and Soil from Off site Decontamination Work

[3D01-05] Containment Filtered Venting System

(1) Development Plan

(2) Metal Fiber Technology

(3) Properties of Radioiodine Adsorbents AgX and AgR

(4) Portable Filter System

(5) Xenon adsorbent XeA as a countermeasure for severe accidents.

[3D06-08] Behaviors of FP and Hydrogen

[3D09-13] Methodology Development

(9)Parametric Evaluation of Hydrogen Inflow Locations into Reactor Building on Overall Hydrogen Distribution

(10)Improvements and sample analysis to simulate transient behavior of FP aerosol leak through the shield plug

(3) Study of radiation on HEAF explosion

(15) Development and verification of disrupted core evaluation module

(1) Application to the EBR-II SHRT-45R test

Authentication