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이종국,김제철,이건재,MILOSLAV BELORID,PHILIP A. BEELEY,윤종일 한국원자력학회 2014 Nuclear Engineering and Technology Vol.46 No.4
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.
Lee, Jong Kuk,Kim, Jea Chul,Lee, Kun Jai,Belorid, Miloslav,Beeley, Philip A.,Yun, Jong-Il Korean Nuclear Society 2014 Nuclear Engineering and Technology Vol.46 No.4
This paper presents the results of an analysis of wind characteristics and atmosphere dispersion modeling that are based on 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 the Weibull distribution over the life time of the BNPP. In the annual meteorological modeling, the winds from the north and west accounted for more than 90 % of the wind directions. Seasonal effects were not represented. However, a discrepancy in the tendency between daytime and nighttime was observed. Six variations of cesium-137 ($^{137}Cs$) dispersion test were simulated under severe accident condition. The $^{137}Cs$ dispersion was strongly influenced by the direction and speed of the main wind. A virtual receptor was set and calculated for observation of the $^{137}Cs$ movement and accumulation. The results of the surface roughness effect demonstrated that the deposition of $^{137}Cs$ was affected by surface condition. The results of these studies offer useful information for developing environmental radiation monitoring systems (ERMSs) for the BNPP and can be used to assess the environmental effects of new nuclear power plant.
Development of an environmental radiation analysis research capability in the UAE
Kim, S.y.,Kim, C.,Lee, K.J.,Chang, S.H.,Elmasri, H.,Beeley, P.A. Pergamon Press ; Elsevier Science Ltd 2013 Applied radiation and isotopes Vol.81 No.-
The UAE has started a nuclear energy program with the aim of having its first four units on-line between 2017 and 2020 and it is important that the country has an environmental radiation analysis capability to support this program. Khalifa University is therefore implementing a research laboratory to support both experimental analysis and radionuclide transport modeling in the aquatic and terrestrial environment. This paper outlines the development of this capability as well as the work in progress and planned for the future.