Conference Proceedings Paper
Evaluation of Fission Product Release Following Single Channel Accidents for Refurbished Wolsong-1
International Conference on the Future of Heavy Water Reactors - 2011 October 02-05
J.Y. Jung (Korea Atomic Energy Research Institute)
E.K. Lee (Korea Hydro & Nuclear Power Co., Ltd.)
C.J. Bae (Korea Electric Power Corporation)
Joo Hwan Park (Korea Atomic Energy Research Institute)
Fission product inventories and their releases during postulated single-channel accidents in the CANDU reactor, such as a feeder break, pressure tube rupture, channel flow blockage and end fitting failure, were evaluated for the refurbished Wolsong 1 nuclear power plant using the latest CANDU safety analysis codes, which are called IST (Industrial Standard Toolsets). The basic methodology applied in the current fuel safety analysis was compared with the methodology used in the case of Wolsong 2/3/4 safety analysis, and the results from both cases were also compared. According to the analysis results, fission product inventories and releases following the single-channel accidents for a refurbished Wolsong 1 plant were slightly small compared to those of Wolsong 2/3/4 plants.
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