Assessment of Wind Characteristics and Atmospheric Dispersion Modeling of 137Cs on the Barakah NPP Area in the UAE

이종국; 김제철; 이건재; MILOSLAV BELORID; PHILIP A. BEELEY; 윤종일

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자료유형: 학술저널

저자정보: 이종국 김제철 이건재 MILOSLAV BELORID PHILIP A. BEELEY 윤종일

저널정보: 한국원자력학회 Nuclear Engineering and Technology Nuclear Engineering and Technology 제46권 제4호

발행연도: 2014.1

수록면: 557 - 568 (12page)

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This paper presents the results of an analysis of wind characteristics and atmosphere dispersion modeling that are basedon computational simulation and part of a preliminary study evaluating environmental radiation monitoring system (ERMS)positions within the Barakah nuclear power plant (BNPP). The return period of extreme wind speed was estimated using theWeibull distribution over the life time of the BNPP. In the annual meteorological modeling, the winds from the north andwest accounted for more than 90 % of the wind directions. Seasonal effects were not represented. However, a discrepancyin the tendency between daytime and nighttime was observed. Six variations of cesium-137 (137Cs) dispersion test were simulated under severe accident condition. The 137Cs dispersionwas strongly influenced by the direction and speed of the main wind. A virtual receptor was set and calculated forobservation of the 137Cs movement and accumulation. The results of the surface roughness effect demonstrated that thedeposition of 137Cs was affected by surface condition. The results of these studies offer useful information for developingenvironmental radiation monitoring systems (ERMSs) for the BNPP and can be used to assess the environmental effects ofnew nuclear power plant.

#Meteorological Modeling #Return Period #Atmospheric Dispersion #137Cs Dispersion #Barakah Nuclear Power Plant #BNPP) #ERMS

참고문헌 (18)

참고문헌 신청

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