Oral presentation

[3E01-03] Behavior of Radioactive Nuclides 1

Fri. Sep 10, 2021 9:30 AM - 10:25 AM Room E

chair: Shunsuke Uchida (JAEA)

9:30 AM - 9:45 AM

[3E01] Investigation of effect by the late-phase release of boron-containing atmosphere on CsI deposit formed on reactor structural material SUS304L

*Muhammad Rizaal¹, Shuhei Miwa¹, Eriko Suzuki¹, Jumpei Imoto¹, Masahiko Osaka¹, Mélany Gouëllo² (1. Japan Atomic Energy Agency, 2. VTT Technical Research Centre of Finland)

9:45 AM - 10:00 AM

[3E02] Effect of Titanium on the Cs Chemisorption of Stainless Steel

*I Wayan Ngarayana¹, Kenta Murakami², Do Thi Mai Dung¹ (1. Nagaoka University of Technology, 2. Tokyo University)

10:00 AM - 10:15 AM

[3E03] Evaluation of chemisorption experiments by the SA analysis code SAMPSON

*Hidetoshi Karasawa¹, Eriko Suzuki¹, Kunihisa Nakajima¹, Shuhei Miwa¹, Chiaki Kino² (1. JAEA, 2. IAE)

Time reserved for Chair （10:15 AM - 10:25 AM）

Oral presentation

[3E04-05] Behavior of Radioactive Nuclides 2

Fri. Sep 10, 2021 10:25 AM - 11:05 AM Room E

chair: Junichi Takagi (TOSHIBA ESS)

10:25 AM - 10:40 AM

[3E04] Study and evaluation of cesium chemisorption behavior onto steel under simulated nuclear reactor severe accident environment in 400^oC.

*Nabaichuan Li¹, Ken Kurosaki¹, Kunihisa Nakajima², Eriko Suzuki² (1. Kyoto Univ., 2. JAEA)

10:40 AM - 10:55 AM

[3E05] Evaluation of Short and Long-Term Behavior of Radioactive Nuclides Distributed in Fukushima Daiichi NPP

(9)Phenomenologically estimation of dose rate in a building based on an accident scenario investigation (Unit-3)

*Kenichi Tezuka¹, Chiaki Kino¹, Hidetoshi Karasawa², Shunsuke Uchida² (1. The Institute of Applied Energy, 2. Japan Atomic Energy Agency)

Time reserved for Chair （10:55 AM - 11:05 AM）

Oral presentation

[3E06-08] Radiolysis 1

Fri. Sep 10, 2021 11:05 AM - 12:00 PM Room E

chair: Ryuji Nagaishi (JAEA)

11:05 AM - 11:20 AM

[3E06] The effects of hydrogen addition on the corrosive conditions of PWR primary coolant under irradiation

(3)Major causes for pH effects on water radiolysis

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

11:20 AM - 11:35 AM

[3E07] The effects of hydrogen addition on the corrosive conditions of PWR primary coolant under irradiation

(4)Direct and indirect effects of pH on ECP of stainless steel in the primary cooling water

*Shunsuke Uchida¹, Kuniki Hata¹, Satoshi hanawa¹, Yasuhiro Chimi¹ (1. JAEA)

11:35 AM - 11:50 AM

[3E08] Track diffusion model simulation study on primary processes of neutron radiolysis of water at high temperatures

*Yusa Muroya¹, Yoichi Wada², Masahiko Tachibana², Kazushige Ishida², Ryosuke Shimizu³, Takahiro Kozawa¹ (1. ISIR, Osaka Univ., 2. Res. Develop. Gr, Hitachi, Ltd., 3. Hitachi-GE Nucl. Energy, Ltd.)

Time reserved for Chair （11:50 AM - 12:00 PM）

Oral presentation

[3E09-11] Radiolysis 2

Fri. Sep 10, 2021 2:45 PM - 3:45 PM Room E

chair: Yusa Muroya (Osaka Univ.)

2:45 PM - 3:00 PM

[3E09] Radiolysis Studies on H2 Retention with Changing Hydrophilicity of Carbonate Slurry

(1)Estimation of Hydrophilicity on the Surface of Suspended Solid

Ryuji Nagaishi¹, Tatsuya Ito¹, *Ryo Kuwano¹ (1. JAEA)

3:00 PM - 3:15 PM

[3E10] Radiolysis Studies on H₂ Retention with Changing Hydrophilicity of Carbonate Slurry

(2)Pulse Radiolysis Measurement of Local Viscosity of Pore Water

*Ryuji Nagaishi¹, Masao Gohdo², Ryo Kuwano¹, Tatsuya Ito¹, Yoichi Yoshida², Ryoya Tamaki² (1. JAEA, 2. Osaka Univ.)

3:15 PM - 3:30 PM

[3E11] Radiolysis Studies on H₂ Retention with Changing Hydrophilicity of Carbonate Slurry

(3)Gamma Radiolysis Estimation of H₂ (Gas)Retention Properties

*Tatsuya Ito¹, Ryuji Nagaishi¹, Ryo Kuwano¹ (1. JAEA)

Time reserved for Chair （3:30 PM - 3:45 PM）

Sessions

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

[3E01-03] Behavior of Radioactive Nuclides 1

[3E01] Investigation of effect by the late-phase release of boron-containing atmosphere on CsI deposit formed on reactor structural material SUS304L

[3E02] Effect of Titanium on the Cs Chemisorption of Stainless Steel

[3E03] Evaluation of chemisorption experiments by the SA analysis code SAMPSON

[3E04-05] Behavior of Radioactive Nuclides 2

[3E04] Study and evaluation of cesium chemisorption behavior onto steel under simulated nuclear reactor severe accident environment in 400^oC.

[3E05] Evaluation of Short and Long-Term Behavior of Radioactive Nuclides Distributed in Fukushima Daiichi NPP

(9)Phenomenologically estimation of dose rate in a building based on an accident scenario investigation (Unit-3)

[3E06-08] Radiolysis 1

[3E06] The effects of hydrogen addition on the corrosive conditions of PWR primary coolant under irradiation

(3)Major causes for pH effects on water radiolysis

[3E07] The effects of hydrogen addition on the corrosive conditions of PWR primary coolant under irradiation

(4)Direct and indirect effects of pH on ECP of stainless steel in the primary cooling water

[3E08] Track diffusion model simulation study on primary processes of neutron radiolysis of water at high temperatures

[3E09-11] Radiolysis 2

[3E09] Radiolysis Studies on H2 Retention with Changing Hydrophilicity of Carbonate Slurry

(1)Estimation of Hydrophilicity on the Surface of Suspended Solid

[3E10] Radiolysis Studies on H₂ Retention with Changing Hydrophilicity of Carbonate Slurry

(2)Pulse Radiolysis Measurement of Local Viscosity of Pore Water

[3E11] Radiolysis Studies on H₂ Retention with Changing Hydrophilicity of Carbonate Slurry

(3)Gamma Radiolysis Estimation of H₂ (Gas)Retention Properties

Authentication

Sessions

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

[3E01-03] Behavior of Radioactive Nuclides 1

[3E04-05] Behavior of Radioactive Nuclides 2

(9)Phenomenologically estimation of dose rate in a building based on an accident scenario investigation (Unit-3)

[3E06-08] Radiolysis 1

(3)Major causes for pH effects on water radiolysis

(4)Direct and indirect effects of pH on ECP of stainless steel in the primary cooling water

[3E09-11] Radiolysis 2

(1)Estimation of Hydrophilicity on the Surface of Suspended Solid

(2)Pulse Radiolysis Measurement of Local Viscosity of Pore Water

(3)Gamma Radiolysis Estimation of H2 (Gas)Retention Properties

Authentication

(3)Gamma Radiolysis Estimation of H₂ (Gas)Retention Properties