期刊
NUCLEAR ENGINEERING AND TECHNOLOGY
卷 49, 期 4, 页码 721-733出版社
KOREAN NUCLEAR SOC
DOI: 10.1016/j.net.2017.01.017
关键词
Aircraft Crash on Interim Spent Fuel Storage; Facility; Maritime Transportation; On-site Transportation; Probabilistic Safety Assessment; Spent Fuel Transportation and Storage
资金
- Nuclear Safety Research Program through the Korea Foundation of Nuclear Safety (KOFONS)
- Nuclear Safety and Security Commission (NSSC), Republic of Korea [1305032]
When temporary spent fuel storage pools at nuclear power plants reach their capacity limit, the spent fuel must be moved to an alternative storage facility. However, radioactive materials must be handled and stored carefully to avoid severe consequences to the environment. In this study, the risks of three potential accident scenarios (i.e., maritime transportation, an aircraft crashing into an interim storage facility, and on-site transportation) associated with the spent fuel transportation process were analyzed using a probabilistic approach. For each scenario, the probabilities and the consequences were calculated separately to assess the risks: the probabilities were calculated using existing data and statistical models, and the consequences were calculated using computation models. Risk assessment software was developed to conveniently integrate the three scenarios. The risks were analyzed using the developed software according to the shipment route, building characteristics, and spent fuel handling environment. As a result of the risk analysis with varying accident conditions, transportation and storage strategies with relatively low risk were developed for regulators and licensees. The focus of this study was the risk assessment methodology; however, the applied model and input data have some uncertainties. Further research to reduce these uncertainties will improve the accuracy of this model. (C) 2017 Korean Nuclear Society, Published by Elsevier Korea LLC.
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