Oral presentation

[1A01-04] Radiolysis, Corrosion 1

Wed. Sep 6, 2023 2:45 PM - 3:50 PM Room A (IB Bildg.1F IB013)

Chair:Hiroshi Abe(Tohoku Univ.)

2:45 PM - 3:00 PM

[1A01] Direct experimental evidence of the reduction of Cr₂O₃ by Zr at high temperature

*Kejian Wei¹, Lijuan Cui¹, Bo Li¹, Zongda Yang¹, Sho Kano¹, Hiroaki Abe¹ (1. UTokyo)

3:00 PM - 3:15 PM

[1A02] Effects of Oxygen Injection and Pt Deposition on Flow Accelerated Corrosion of Carbon Steel Piping

*Toshimasa Ohashi¹, Hikari Murotani¹, Yoichi Wada¹, Ryosuke Shimizu², Makoto Nagase², Shinobu Okido² (1. Hitachi, 2. HGNE)

3:15 PM - 3:30 PM

[1A03] Machine learning analysis of piping dose rate and water chemistry parameters in Japanese BWRs

*Gaku Yamazaki¹, Kazutoshi Fujiwara¹ (1. CRIEPI)

3:30 PM - 3:45 PM

[1A04] The effects of hydrogen addition on the corrosive conditions of PWR primary coolant under irradiation

10. Effects of boiling on combind analysis of water radiolysis under boiling conditions and ECP

*Shunsuke Uchida¹, Kuniki Hata¹, Satoshi Hanawa¹, Yasuhiro Chimi¹, Tomonori Satoh¹ (1. JAEA)

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

Oral presentation

[1A05-07] Radiolysis, Corrosion 2

Wed. Sep 6, 2023 3:50 PM - 4:40 PM Room A (IB Bildg.1F IB013)

Chair:Kuniki Hata(JAEA)

3:50 PM - 4:05 PM

[1A05] Experimental Studies on Water Radiolysis by Alpha Rays from Plutonium 239 in Solid Materials

(1) The Energy Spectrum of Alpha Rays emitted from the Solid Material Powder

*Ryuji Nagaishi¹, Tatsuya Ito¹, David DiPrete², Andrew P. Fellinger² (1. JAEA, 2. Savannah River National Laboratory)

4:05 PM - 4:20 PM

[1A06] Reaction Calculation of Liquid-depth Effect on Radiolytic Hydrogen Generation by using a One-dimensional Model

*Thwe Thwe Aung¹, Ryuji Nagaishi¹, Ryo Furukawahara¹, Tatsuya Ito¹ (1. JAEA)

4:20 PM - 4:35 PM

[1A07] Investigation of the Effect of Radiation-resistant Resin on Radiolysis of Aqueous Solutions

*Tatsuya Ito¹, Ryuji Nagaishi¹, Ryo Kuwano¹, Masao Gohdo², Ryoya Tamaki² (1. JAEA, 2. Osaka Univ.)

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

Oral presentation

[1A08-12] Radiolysis, Corrosion 3

Wed. Sep 6, 2023 4:40 PM - 6:00 PM Room A (IB Bildg.1F IB013)

Chair:Ryuji Nagaishi(JAEA)

4:40 PM - 4:55 PM

[1A08] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(1) Research Aims and Results Overview

*Yutaka Watanabe¹, Chiaki Kato², Mitsumasa Taguchi³, Hideki Katayama⁴ (1. Tohoku University, 2. JAEA, 3. QST, 4. NIMS)

4:55 PM - 5:10 PM

[1A09] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(2) Effects of α-ray irradiations on the corrosion

*Tomonori Sato¹, Nobuaki Sato², Kuniki Hata¹, Chiaki Kato¹, Yutaka Watanabe² (1. Japan Atomic Energy Agency, 2. Tohoku University)

5:10 PM - 5:25 PM

[1A10] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(3) Effects of gaseous-phase radiolysis on water under irradiation

*Kuniki Hata¹, Atsushi Kimura², Tomonori Sato¹, Mitsumasa Taguchi², Chiaki Kato¹, Yutaka Watanabe³ (1. JAEA, 2. QST, 3. Tohoku Univ.)

5:25 PM - 5:40 PM

[1A11] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(4)Evaluation of corrosion behavior under simulated irradiation environment

*Hiroshi Abe¹, Katsuki Onuma¹, Nobunari Takizawa¹, Yutaka Watanabe¹ (1. Tohoku Univ.)

5:40 PM - 5:55 PM

[1A12] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(5) Possibility of Corrosion Suppression of Carbon Steel using Inert Gas Ultra-Fine Bubble Water

*Hideki Katayama¹, Yusuke Muto², Yusuke Tsutsumi¹, Hikari Watanabe², Isao Shitanda², Masayuki Itagaki² (1. NIMS, 2. TUS)

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

Sessions

V. Nuclear Fuel Cycle and Nuclear Materials » 503-1 Reactor Chemistry, Radiation Chemistry, Corrosion, Water Chemistry,Water Quality Control

[1A01-04] Radiolysis, Corrosion 1

[1A01] Direct experimental evidence of the reduction of Cr₂O₃ by Zr at high temperature

[1A02] Effects of Oxygen Injection and Pt Deposition on Flow Accelerated Corrosion of Carbon Steel Piping

[1A03] Machine learning analysis of piping dose rate and water chemistry parameters in Japanese BWRs

[1A04] The effects of hydrogen addition on the corrosive conditions of PWR primary coolant under irradiation

10. Effects of boiling on combind analysis of water radiolysis under boiling conditions and ECP

[1A05-07] Radiolysis, Corrosion 2

[1A05] Experimental Studies on Water Radiolysis by Alpha Rays from Plutonium 239 in Solid Materials

(1) The Energy Spectrum of Alpha Rays emitted from the Solid Material Powder

[1A06] Reaction Calculation of Liquid-depth Effect on Radiolytic Hydrogen Generation by using a One-dimensional Model

[1A07] Investigation of the Effect of Radiation-resistant Resin on Radiolysis of Aqueous Solutions

[1A08-12] Radiolysis, Corrosion 3

[1A08] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(1) Research Aims and Results Overview

[1A09] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(2) Effects of α-ray irradiations on the corrosion

[1A10] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(3) Effects of gaseous-phase radiolysis on water under irradiation

[1A11] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(4)Evaluation of corrosion behavior under simulated irradiation environment

[1A12] Corrosion evaluation and mitigation in the PCV systems under the influence of α/β/γ radiolysis

(5) Possibility of Corrosion Suppression of Carbon Steel using Inert Gas Ultra-Fine Bubble Water

Authentication