*Shuhei Miwa¹, Naoki Horiguchi¹, Naoya Miyahara¹, Kunihisa Nakajima¹, Eriko Suzuki¹, Junpei Imoto¹, Liu Jiazhan¹, Hidetoshi Karasawa¹, Masahiko Osaka¹ (1. JAEA)

10:50 AM - 11:05 AM

[1G04] Development of fission product chemistry database ECUME for improved source term estimation method

(2)Elemental model set

*Eriko Suzuki¹, Kunihisa Nakajima¹, Shunichiro Nishioka¹, Shuhei Miwa¹, Naoki Horiguchi¹, Junpei Imoto¹, Jiazhan Liu¹, Hidetoshi Karasawa¹, Masahiko Osaka¹ (1. JAEA)

11:05 AM - 11:20 AM

[1G05] Development of fission product chemistry database ECUME for improved source term estimation method

(3)Thermodynamic dataset

*Kunihisa Nakajima¹, Eriko Suzuki¹, Shunichiro Nishioka¹, Shuhei Miwa¹, Naoki Horiguchi¹, Junpei Imoto¹, Jiazhan Liu¹, Hidetoshi Karasawa¹, Masahiko Osaka¹ (1. JAEA)

11:20 AM - 11:35 AM

[1G06] Analytical study on removal mechanisms of cesium aerosol from noble gas bubble in sodium pool

*Shinya Miyahara¹ (1. University of Fukui)

11:35 AM - 11:50 AM

[1G07] Analytical study for remobilization of iodine deposits under air condition

*Hiroyuki Shiotsu¹, Hiroto Ito¹, Tomoyuki Sugiyama¹, Yu Maruyama¹ (1. JAEA)

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

Oral presentation

[1G08-11] RIA

Wed. Sep 11, 2019 2:45 PM - 3:50 PM Room G (Common Education Bildg. 2F C22)

Chair:Ayako Ono(JAEA)

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2:45 PM - 3:00 PM

[1G08] A Study on The Boiling Transition in RIAs (Hot Standby RIA)

(5)Progress and Overview

*Kenichi Harada¹, Yuichi Sago¹, Masahiro Furuya², Tsugumi Tsuchida³, Takamasa Miyaji⁴ (1. Chubu Electric Power, 2. CRIEPI, 3. GNF-J, 4. NFI)

3:00 PM - 3:15 PM

[1G09] A Study on The Boiling Transition in RIAs (Hot Standby RIA)

(6)Transient critical heat flux with 3 x 3 bundle heated rapidly at high pressure

*Takahiro Arai¹, Masahiro Furuya¹, Kenetsu Shirakawa¹, Atsushi Ui¹, Riichiro Okawa¹, Yuichi Sago², Kenichi Harada² (1. CRIEPI, 2. CHUBU Electric Power)

3:15 PM - 3:30 PM

[1G10] A Study on The Boiling Transition in RIAs (Hot Standby RIA)

(7)Development and Verification of A CHF Correlation for Hot Standby RIA

*Takamasa Miyaji¹, Tetsuhiro Ozaki¹, Ryosuke Nakamura¹, Toru Kanazawa², Tsugumi Tsuchida², Yuichi Sago³, Kenichi Harada³ (1. NFI, 2. GNF-J, 3. Chubu Electric Power)

3:30 PM - 3:45 PM

[1G11] A Study on The Boiling Transition in RIAs (Hot Standby RIA)

(8)BWR RIA Analysis Using the Improved CHF Correlations at Hot Standby Condition

*Kensuke Kobayashi¹, Tsugumi Tsuchida¹, Ryosuke Nakamura², Takamasa Miyaji², Yuichi Sago³, Kenichi Harada³ (1. GNF-J, 2. NFI, 3. Chubu Electric Power)

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

Oral presentation

[1G12-15] Accident Analysis/Experiment

Wed. Sep 11, 2019 3:50 PM - 4:55 PM Room G (Common Education Bildg. 2F C22)

Chair:Kenya Takiwaki(TOSHIBA ESS)

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3:50 PM - 4:05 PM

[1G12] Development of Reduced Order Modeling of Safety Analysis Code with Singular Value Decomposition for Load Rejection Scenario at BWR

*Masaki Matsushita¹, Tomohiro Endo¹, Yamamoto Akio¹ (1. Nagoya Univ.)

4:05 PM - 4:20 PM

[1G13] Study of downstream effect of the sump screen for post LOCA long term core cooling

(3)Element test of flow path feeding coolant at the core inlet

*Tomoaki Ogata¹, Kei Higashi¹, Ryo Fukuda¹, Hideyuki Sakata¹, Yugen Shiratsuchi², Toshihiko Nakano³ (1. MHI, 2. MHI NSE, 3. KEPCO)

4:20 PM - 4:35 PM

[1G14] Analysis and Evaluation for ATWS Event by RELAP5-3D (2)

*Chihiro Yanagi¹, Michio Murase¹ (1. INSS)

4:35 PM - 4:50 PM

[1G15] A study of advection and diffusion behavior of heavy gas around an obstacle.

*Yuga Nakanishi¹, Hirofumi Ohashi², Hiroyuki Sato² (1. Univ. of Tsukuba, 2. JAEA)

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

Oral presentation

[1G16-19] Severe Accident Analysis/Experiment

Wed. Sep 11, 2019 4:55 PM - 6:00 PM Room G (Common Education Bildg. 2F C22)

Chair:Kinya Nakamura(CRIEPI)

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4:55 PM - 5:10 PM

[1G16] Improvement of JASMINE code for evaluation of molten debris coolability in containment vessel

*Toshionori Matsumoto¹, Yuzuru Iwasawa¹, Ryuhei Kawabe¹, Kohei Ajima¹, Tomoyuki Sugiyama¹, Yu Maruyama¹ (1. JAEA)

5:10 PM - 5:25 PM

[1G17] Sensitivity analysis of corium pool heat transfer model of MAAP5 in cold leg 2-inch-break LOCA

*Masaki Kamida¹, Shigeo Kodama¹, Shinsuke Tanaka¹, Yasuhiro Ishigaki¹, Hiroshi Saika¹, Takumi Kitao¹, Daiji Izawa¹ (1. NEL)

5:25 PM - 5:40 PM

[1G18] Development of Passive Debris Cooling System Phase II

(1)Outline of the Project

*Yoichi Onitsuka¹, yasushi yamamoto¹, keisuke tsukada¹, hideki horie¹, yoshiro nishioka¹, satoru kuboya¹, yuya takahashi¹, mika tahara¹, tadashi fujii², yoshikawa takumi³ (1. Toshiba Energy Systems & Solutions Corporation, 2. Hitachi-GE Nuclear Energy, Ltd., 3. The Japan Atomic Power Company)

5:40 PM - 5:55 PM

[1G19] Development of Passive Debris Cooling System Phase II

(2)Validation Test of Suppressing Molten Core – Concrete Interaction by ZrO₂Refractory

*Keisuke Tsukada¹, Yasushi Yamamoto¹, Hideki Horie¹, Yoshiro Nishioka¹, Satoru Kuboya¹, Yuya Takahashi¹, Yoichi Onitsuka¹, Mika Tahara¹, Tadashi Fujii², Takumi Yoshikawa³ (1. TOSHIBA ESS, 2. HGNE, 3. JAPC)

Time reserved for Chair （5:55 PM - 6:00 PM）

Oral presentation

[2G01-05] Severe Accident of Sodium-Cooled Fast Reactor 1

Thu. Sep 12, 2019 9:30 AM - 10:50 AM Room G (Common Education Bildg. 2F C22)

Chair:Takaaki Sakai(Tokai Univ.)

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9:30 AM - 9:45 AM

[2G01] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(11)Project Overview and Progress by JFY 2018

*Hidemasa Yamano¹, Toshihide Takai¹, Tomohiro Furukawa¹, Shin Kikuchi¹, Yuki Emura¹, Hideo Higashi², Hiroyuki Fukuyama², Tsuyoshi Nishi³, Xiaoxing Liu⁴, Kenya Nakamura⁵ (1. Japan Atomic Energy Agency, 2. Tohoku University, 3. Ibaraki University, 4. Kyushu University, 5. Central Research Institute of Electric Power Industry)

9:45 AM - 10:00 AM

[2G02] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(12)Thermophysical Properties of 7mass%B₄C-SS Eutectic Materials in the Solid State

*Toshihide Takai¹, Tomohiro Furukawa¹, Hidemasa Yamano¹ (1. Japan Atomic Energy Agency)

10:00 AM - 10:15 AM

[2G03] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(13)Density and Surface Tension of 7mass%B₄C-SS Eutectic Molten Material

*Hiroyuki Fukuyama¹, Hideo Higashi¹, Hidemasa Yamano² (1. Tohoku Univ., 2. JAEA)

10:15 AM - 10:30 AM

[2G04] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(14)Emissivity, Heat Capacity and Thermal Conductivity of 7mass%B₄C-SS Eutectic Molten Material

*Hideo Higashi¹, Hiroyuki Fukuyama¹, Hidemasa Yamano² (1. Tohoku Univ, 2. JAEA)

10:30 AM - 10:45 AM

[2G05] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(15)Viscosity Measurement of 7mass%B₄C-SS Eutectic Molten Material

*Tsuyoshi Nishi¹, Hiroki Kokubo¹, Yuriko Takatsuka¹, Hiromichi Ohta¹, Hidemasa Yamano² (1. Ibaraki Univ., 2. JAEA)

Time reserved for Chair （10:45 AM - 10:50 AM）

Oral presentation

[2G06-09] Severe Accident of Sodium-Cooled Fast Reactor 2

Thu. Sep 12, 2019 10:50 AM - 11:55 AM Room G (Common Education Bildg. 2F C22)

Chair:Daisuke Ito(Kyoto Univ.)

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10:50 AM - 11:05 AM

[2G06] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(16)Immersion Tests of B₄C into Molten Stainless Steel

*Yuki Emura¹, Kenji Kamiyama¹, Hidemasa Yamano¹ (1. JAEA)

11:05 AM - 11:20 AM

[2G07] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(17)Reaction Behavior between Molten Stainless Steel and Solid Boron Carbide

*Kinya Nakamura¹, Hirokazu Ohta¹, Yuki Emura², Toshihide Takai², Hidemasa Yamano² (1. CRIEPI, 2. JAEA)

11:20 AM - 11:35 AM

[2G08] Study on Eutectic Melting Behavior of Control Rod Materials in Core Disruptive Accidents of Sodium-Cooled Fast Reactors

(18)Validation of Eutectic Reaction Model for Use in Reactor Safety Analysis Code

*Xiaoxing Liu¹, Koji Morita¹, Hidemasa Yamano² (1. Kyushu Univ., 2. JAEA)

11:35 AM - 11:50 AM

[2G09] Studies on Relocation Behavior of Molten Core Materials in the Core Disruptive Accident of Sodium-cooled Fast Reactors

(7)Validation of Analysis Models for the Melt Discharge Experiments into a Shallow Water Pool

*Kai Igarashi¹, Takaaki Sakai¹, Shinya Kato², Kenichi Matsuba², Kenji Kamiyama² (1. Tokai University , 2. JAEA)

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

Oral presentation

[2G10-14] Emergency Preparedness/Risk Management

Thu. Sep 12, 2019 2:45 PM - 4:05 PM Room G (Common Education Bildg. 2F C22)

Chair:Kenta Murakami(Nagaoka Univ. of Tech.)

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2:45 PM - 3:00 PM

[2G10] Plant incident progress scenario analysis for Mihama nuclear emergency exercise of Kansai Electric Power Co., Inc. 2018

*Ikuo Kawasaki¹, Toshiya Takaki¹, Akira Onoue², Hiroyuki Ikeda² (1. INSS, 2. KEPCO)

3:00 PM - 3:15 PM

[2G11] Efforts for Emergency Response at Shika Nuclear Power Station

*TOSHIHIRO AIDA¹, DAISUKE SUIMON¹, AKIRA OHBATA¹, KOHJI ONO¹, HISAKAZU NAKASONE¹, DAIKI SHIRAMIZU¹ (1. Hokuriku Electric Power Company)

3:15 PM - 3:30 PM

[2G12] Study on Safety Function Reliability Evaluation and Risk Management during the Decommissioning of Accident-Damaged Nuclear Power Plant - Based on the Results of Confinement Function Reliability Evaluation -

*Takayuki Aoki¹, Junya Masuko², Takayuki Negishi³ (1. Tohoku University, 2. The Japan Atomic Power Company, 3. Nuclear Engineering and Services Company)

3:30 PM - 3:45 PM

[2G13] VUCA Framework for Risk Management of Nuclear Power Station

*Yasuki Ohtori¹, Hitoshi Muta¹, Masato Nakajima² (1. Tokyo City University, 2. Central Research Institute of Electric Power Industry)

3:45 PM - 4:00 PM

[2G14] Developmet of tool for containment vent timing prediction using MAAP database.

(3)Development of on-site radiation dose map

*Takumi Noju¹, Kenichi Bando², Daisuke Fujiwara¹, Hiroshi Shirai¹ (1. TEPSYS, 2. TEPCO HD)

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

Oral presentation

[2G15-19] Fire Protection

Thu. Sep 12, 2019 4:05 PM - 5:25 PM Room G (Common Education Bildg. 2F C22)

Chair:Hiroaki Fujiyoshi(NFI)

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4:05 PM - 4:20 PM

[2G15] Development of Cable Tray Fire Modeling in Zone Code

(1)Introduction of FLASH-CAT Model

*Koji Tasaka¹, Koji Shirai¹, Junghoon Ji¹, Toshiko Udagawa² (1. CRIEPI, 2. WDB Co., Ltd.)

4:20 PM - 4:35 PM

[2G16] Development of Cable Damage Criteria from High Temperature Gas Induced by High Energy Arc Fault

(1)Arc Exposure Test in Atmosphere Condition for Non-Flame Retardant Cable

*Yasunori Nagata¹, Koji Shirai¹, Junghoon Ji¹, Koji Tasaka¹, Tsukasa Miyagi¹, Mikimasa Iwata¹ (1. CRIEPI)

4:35 PM - 4:50 PM

[2G17] Proposal of evaluation method to prevent from HEAF fire for low and high voltage electrical cabinets

*KOJI SHIRAI¹, Koji Tasaka¹, Junghoon JI¹, Tsukasa Miyagi¹, Mikimasa Iwata¹ (1. Central Research Institute of Electric Power Industry)

4:50 PM - 5:05 PM

[2G18] Improvement of fireproof performance by sealing the fire-retardant sheet on glove box panels

(1)Influence of burning on glove box panels

*Kohei Kawasaki¹, Kenta Shinada¹, Naritoshi Okamoto¹, Takayoshi Makino¹ (1. JAEA)

5:05 PM - 5:20 PM

[2G19] Improvement of fireproof performance by sealing the fire-retardant sheet on glove box panels

(2)Influence of usage conditions on glove box panels

*Kenta Shinada¹, Kohei Kawasaki ¹, Takayoshi Makino¹, Naritoshi Okamoto¹ (1. Japan Atomic Energy Agency)

Time reserved for Chair （5:20 PM - 5:25 PM）

Oral presentation

[2G20-22] Tornado Safety

Thu. Sep 12, 2019 5:25 PM - 6:15 PM Room G (Common Education Bildg. 2F C22)

Chair:Yuzuru Eguchi(CRIEPI)

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5:25 PM - 5:40 PM

[2G20] Investigation on validity of BRL formula by steel plate perforation test using high speed projectiles

*Kosuke NAMBA¹, Masuhiro BEPPU², Shori HAMADA², Koji SHIRAI¹, Yuzuru EGUCHI¹ (1. CRIEPI, 2. National Defense Academy of Japan)

5:40 PM - 5:55 PM

[2G21] Development of high strength lightweight net using aramid fiber for tornado missile

(1)Development plan and policy

*Kosuke Aizawa¹, Masaru Ishimaru¹, Shigetaka Maeda¹, Taiichi Okada², Megumi Hirose², Yukihiro Kumagai³, Shing0 Isaka³ (1. JAEA, 2. DU PONT-TORAY, 3. Maeda Kosen)

5:55 PM - 6:10 PM

[2G22] Development of high strength lightweight net using aramid fiber for tornado missile

(2)weight drop method and simulation

*Masaru ISHIMARU¹, Kosuke AIZAWA¹, Shigetaka MAEDA¹, Taiichi OKADA², Megumi HIROSE², Yukihiro KUMAGAI³, Shingo ISAKA³ (1. JAEA, 2. DU PONT-TORAY, 3. Maeda Kosen)

Time reserved for Chair （6:10 PM - 6:15 PM）

Sessions

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

[1G01-02] Fukushima Daiichi NPP Accident

[1G03-07] Source Term

(1)Dataset for chemical reaction kinetics

(2)Elemental model set

(3)Thermodynamic dataset

[1G08-11] RIA

(5)Progress and Overview

(6)Transient critical heat flux with 3 x 3 bundle heated rapidly at high pressure

(7)Development and Verification of A CHF Correlation for Hot Standby RIA

(8)BWR RIA Analysis Using the Improved CHF Correlations at Hot Standby Condition

[1G12-15] Accident Analysis/Experiment

(3)Element test of flow path feeding coolant at the core inlet

[1G16-19] Severe Accident Analysis/Experiment

(1)Outline of the Project

(2)Validation Test of Suppressing Molten Core – Concrete Interaction by ZrO2 Refractory

[2G01-05] Severe Accident of Sodium-Cooled Fast Reactor 1

(11)Project Overview and Progress by JFY 2018

(12)Thermophysical Properties of 7mass%B4C-SS Eutectic Materials in the Solid State

(13)Density and Surface Tension of 7mass%B4C-SS Eutectic Molten Material

(14)Emissivity, Heat Capacity and Thermal Conductivity of 7mass%B4C-SS Eutectic Molten Material

(15)Viscosity Measurement of 7mass%B4C-SS Eutectic Molten Material

[2G06-09] Severe Accident of Sodium-Cooled Fast Reactor 2

(16)Immersion Tests of B4C into Molten Stainless Steel

(17)Reaction Behavior between Molten Stainless Steel and Solid Boron Carbide

(18)Validation of Eutectic Reaction Model for Use in Reactor Safety Analysis Code

(7)Validation of Analysis Models for the Melt Discharge Experiments into a Shallow Water Pool

[2G10-14] Emergency Preparedness/Risk Management

(3)Development of on-site radiation dose map

[2G15-19] Fire Protection

(1)Introduction of FLASH-CAT Model

(1)Arc Exposure Test in Atmosphere Condition for Non-Flame Retardant Cable

(1)Influence of burning on glove box panels

(2)Influence of usage conditions on glove box panels

[2G20-22] Tornado Safety

(1)Development plan and policy

(2)weight drop method and simulation

Authentication

(2)Validation Test of Suppressing Molten Core – Concrete Interaction by ZrO₂Refractory

(12)Thermophysical Properties of 7mass%B₄C-SS Eutectic Materials in the Solid State

(13)Density and Surface Tension of 7mass%B₄C-SS Eutectic Molten Material

(14)Emissivity, Heat Capacity and Thermal Conductivity of 7mass%B₄C-SS Eutectic Molten Material

(15)Viscosity Measurement of 7mass%B₄C-SS Eutectic Molten Material

(16)Immersion Tests of B₄C into Molten Stainless Steel