2018 Fall Meeting

Presentation information

Oral presentation

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

[3C05-09] Radiolysis 1

Fri. Sep 7, 2018 10:35 AM - 12:00 PM Room C (B21 -B Building)

Chair:Ryuji Nagaishi(JAEA)

11:20 AM - 11:35 AM

[3C08] Improvement of the Model for Evaluating the Corrosive Environment in a Nuclear Power Plant

(1)Overview of the Research Project

*Yusuke Horayama1, Takahiro Hara1, Osamu Shibasaki1, Seiji Yamamoto1, Junichi Takagi1 (1. Toshiba Energy Systems & Solutions Corporation)

Keywords:Stress corrosion cracking, Radiolysis, Corrosion potential, Thermal hydraulics, Dose rate distribution, Hydrogen generation, Titanium dioxide

沸騰水型原子炉で懸念される応力腐食割れ対策として、炉内腐食電位分布の解析評価に取り組んでいる。今回、解析に用いる炉内腐食環境評価モデルを高度化し、解析精度の向上、新たな水質環境改善技術の反映、福島第一原子力発電所の廃炉作業における水素発生量評価への応用を図った。