2017 Annual Meeting

Presentation information

Oral presentation

IV. Nuclear Fuel Cycle and Nuclear Materials » 405-3 Decommissioning Technology of Nuclear Facilities

[2H09-13] System development and evaluation

Tue. Mar 28, 2017 2:45 PM - 4:05 PM Room H (16-303 Building No.16)

Chair: Hirokazu Tanaka (MMC)

3:45 PM - 4:00 PM

[2H13] Study on Evaluation of Safety Function Reliability and Risk Management during the Decommissioning of Accident-Damaged Nuclear Power Plant

*Takayuki Aoki1, Kazuhiro Sugihara2, Hidekazu Suwa2, Takayuki Negishi2, Takeshi Morita2 (1. Tohoku University, 2. Nuclear Engineering and Services Company)

Keywords:accident-damaged reactor, nuclear decommissioning, safety function, reliability, reactor cooling system, radioactive release frequency

事故を起こした原子力発電所(以下、事故炉という。)の廃止措置時においても「止める」「冷やす」「閉じ込める」の3つの安全機能は常に確保される必要がある。このため、当該安全機能の信頼性を評価し、その結果を踏まえて事故炉の廃止措置時における安全管理のあり方について報告する。