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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.1
- 수록면
- 881 - 892 (12page)
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Following the Fukushima accident and its extended station blackout, attention was brought to the importance of the spent fuel pools' (SFPs) behavior in case of a prolonged loss of the cooling system. Since then, many analytical works have been performed to estimate the timing of hypothetical fuel uncovery for various SFP types. Experimentally, however, little was done to investigate issues related to the formation of a flammable gas mixture, distribution, and stratification in the SFP building itself and to some extent assess the capability for the code to correctly predict it.
This paper presents the main outcomes of the Experiments on Spent Fuel Pool (ESFP) project carried out under the auspices of Swissnuclear (Framework 2012–2013) in the PANDA facility at the Paul Scherrer Institut in Switzerland. It consists of an experimental investigation focused on hydrogen concentration build-up into a SFP building during a predefined scaled scenario for different venting positions. Tests follow a two-phase scenario. Initially steam is released to mimic the boiling of the pool followed by a helium/steam mixture release to simulate the deterioration of the oxidizing spent fuel. Results shows that while the SFP building would mainly be inerted by the presence of a high concentration of steam, the volume located below the level of the pool in adjacent rooms would maintain a high air content. The interface of the two-gas mixture presents the highest risk of flammability. Additionally, it was observed that the gas mixture could become stagnant leading locally to high hydrogen concentration while steam condenses. Overall, the experiments provide relevant information for the potentially hazardous gas distribution formed in the SFP building and hints on accident management and on eventual retrofitting measures to be implemented in the SFP building
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참고문헌 (9)
참고문헌 신청
A.S. Benjamin / 1979 / Spent Fuel Heat up following Loss of Water during Storage
J.G. Ibarra / 1997 / Operation Experience Feedback Report-Assessment of Spent Fuel Cooling
R. Alvarez / 2003 / A. Macfarlane, G. Thompson, F.N. von Hippel, Reducing the hazards from stored spent power-reactor fuel in the United States / Sci. Global Sec 11:1~51
2012 / IAEA report on reactor and spent fuel safety in the light of the accident at the Fukushima Daiichi nuclear power plant
A. Kaliatka / 2010 / Analysis of the processes in spent fuel pools of Ignalina NPP in case of loss of heat removal / Nucl. Eng. Des 240:1073~1082
J.G. Ibarra / 1997 / Operation Experience Feedback Report-Assessment of Spent Fuel Cooling
R. Alvarez / 2003 / A. Macfarlane, G. Thompson, F.N. von Hippel, Reducing the hazards from stored spent power-reactor fuel in the United States / Sci. Global Sec 11:1~51
2012 / IAEA report on reactor and spent fuel safety in the light of the accident at the Fukushima Daiichi nuclear power plant
A. Kaliatka / 2010 / Analysis of the processes in spent fuel pools of Ignalina NPP in case of loss of heat removal / Nucl. Eng. Des 240:1073~1082
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