Oral presentation

[1F01-04] Dose reduction

Wed. Sep 13, 2017 2:45 PM - 3:50 PM Room F (C214 - C Block)

Chair:Takumi Terachi (INSS)

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2:45 PM - 3:00 PM

[1F01] Development of Dose Rate Reduction Technology for Improving LWR Utilization

(2)Overview of Research Project

*Hiromitsu Inagaki¹, Naoshi Usui², Hajime Hirasawa³ (1. Chubu Electric Power, 2. Hitachi GE, 3. Toshiba)

3:00 PM - 3:15 PM

[1F02] Development of dose rate reduction technology for improving LWR utilization

(3)Results of Co-60 deposition test under simulated OLNC conditions

*Hideyuki Hosokawa¹, Naoshi Usui⁴, Hiromitsu Inagaki², Hajime Hirasawa³ (1. Hitachi, Ltd., Research & Development Group, 2. Chubu Electric Power Co., Inc., 3. Toshiba Corporation, 4. Hitachi-GE Nuclear Energy, Ltd.)

3:15 PM - 3:30 PM

[1F03] Development of Dose Rate Reduction Technology for Improving LWR Utilization

(4)Improving Models for Evaluating the Behavior of Corrosion Products

*Yusuke Horayama¹, Hajime Hirasawa¹, Hidehiro Urata¹, Naoshi Usui², Hiromitsu Inagaki³ (1. Toshiba Corporation, 2. Hitachi-GE Nuclear Energy, Ltd., 3. Chubu Electoric Power Co., Inc.)

3:30 PM - 3:45 PM

[1F04] Development of suppression method for deposition of radioactivity and mitigation of corrosive environment

(8)Effect of Ni ion to deposition behavior of Co deposition

Tsuyoshi Ito¹, *Hideyuki Hosokawa¹, Makoto Nagase² (1. Hitachi, Ltd., 2. Hitachi-GE Nuclear Energy, Ltd.)

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

Oral presentation

[1F05-07] Stress Corrosion Cracking, Radiolysis

Wed. Sep 13, 2017 3:50 PM - 4:40 PM Room F (C214 - C Block)

Chair:Hiromitsu Inagaki (Chubu Electric Power)

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3:50 PM - 4:05 PM

[1F05] Mechanistc study for PWSCC in Alloy 690

Influence of Ni plating

*Takumi Terachi¹, Takuyo Yamada¹, Makie Okamoto¹, Koji Arioka¹ (1. Institute of Nuclear Safety System, Incorporated)

4:05 PM - 4:20 PM

[1F06] Radiation-Chemical Estimation of Energy Deposition around Fuel Debris

(1)Estimation of Energy Distributions dependent on Radiation Types

*Taichi Matsumura^1,2, Ryuji Nagaishi¹, Keisuke Okumura¹, Junichi Katakura², Masahide Suzuki² (1. JAEA, 2. NUT)

4:20 PM - 4:35 PM

[1F07] Radiation-Chemical Estimation of Energy Deposition around Fuel Debris

(2)Radiation-Chemical Integration of Energy Distributions

*Ryuji Nagaishi¹, Taichi Matsumura¹, Keisuke Okumura¹ (1. Japan Atomic Energy Agency)

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

Oral presentation

[1F08-11] Fuel Cladding Corrosion

Wed. Sep 13, 2017 4:40 PM - 5:45 PM Room F (C214 - C Block)

Chair:Ryuji Nagaishi (JAEA)

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4:40 PM - 4:55 PM

[1F08] Study of fuel-cladding chemical interaction (FCCI) in sodium-cooled small fast reactor

*Takanori Tanigaki¹, Yuichi Tabata¹, Koei Sasaki², Takashi Onitsuka¹, Ken-ichi Fukumoto¹, Yuji Arita¹, Masami Uno¹ (1. University of Fukui, Research Institute of Nuclear Engineering, 2. Japan Atomic Energy Agency)

4:55 PM - 5:10 PM

[1F09] Evaluation of Long-term integrity of the fuel assembly removed from the spent fuel pool

(4)Integrity evaluation for the spent fuel in wet storage

*YASUO MORISHIMA^1,2, SHIGEAKI TANAKA^1,2, KOTARO MATSUOKA³ (1. IRID, 2. TOSHIBA, 3. TEPCO)

5:10 PM - 5:25 PM

[1F10] Evaluation of long-term integrity of the fuel assembly removed from the spent fuel pool

(5)Integrity of fuels during dry storage

*Shinichi Ishioka^1,2, Toru Higuchi^1,2, Junji Matsunaga³, Masaki Aomi³, Yoshinori Etoh⁴ (1. IRID, 2. Hitachi-GE Nuclear Energy, 3. Global Nuclear Fuel Japan, 4. Nippon Nuclear Fuel Development)

5:25 PM - 5:40 PM

[1F11] Evaluation of long-term integrity of the fuel assembly removed from the spent fuel pool

(6)Summary of FY2015 and 2016 results

*Toru Higuchi^1,4, Shinichi Ishioka^1,4, Shigeaki Tanaka^2,4, Yasuo Morishima^2,4, Fumiyoshi Ueno^3,4, Koji Maeda^3,4 (1. Hitachi-GE Nuclear Energy, 2. Toshiba, 3. Japan Atomic Energy Agency, 4. International Research Institute for Nuclear Decommissioning)

Time reserved for Chair （5:40 PM - 5:45 PM）

Sessions

IV. Nuclear Fuel Cycle and Nuclear Materials » 403-1 Reactor Chemistry, Radiation Chemistry, Corrosion, Water Chemistry,Water Quality Control

[1F01-04] Dose reduction

[1F01] Development of Dose Rate Reduction Technology for Improving LWR Utilization

(2)Overview of Research Project

[1F02] Development of dose rate reduction technology for improving LWR utilization

(3)Results of Co-60 deposition test under simulated OLNC conditions

[1F03] Development of Dose Rate Reduction Technology for Improving LWR Utilization

(4)Improving Models for Evaluating the Behavior of Corrosion Products

[1F04] Development of suppression method for deposition of radioactivity and mitigation of corrosive environment

(8)Effect of Ni ion to deposition behavior of Co deposition

[1F05-07] Stress Corrosion Cracking, Radiolysis

[1F05] Mechanistc study for PWSCC in Alloy 690

Influence of Ni plating

[1F06] Radiation-Chemical Estimation of Energy Deposition around Fuel Debris

(1)Estimation of Energy Distributions dependent on Radiation Types

[1F07] Radiation-Chemical Estimation of Energy Deposition around Fuel Debris

(2)Radiation-Chemical Integration of Energy Distributions

[1F08-11] Fuel Cladding Corrosion

[1F08] Study of fuel-cladding chemical interaction (FCCI) in sodium-cooled small fast reactor

[1F09] Evaluation of Long-term integrity of the fuel assembly removed from the spent fuel pool

(4)Integrity evaluation for the spent fuel in wet storage

[1F10] Evaluation of long-term integrity of the fuel assembly removed from the spent fuel pool

(5)Integrity of fuels during dry storage

[1F11] Evaluation of long-term integrity of the fuel assembly removed from the spent fuel pool

(6)Summary of FY2015 and 2016 results

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