Journal
ANNALS OF NUCLEAR ENERGY
Volume 53, Issue -, Pages 197-201Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.anucene.2012.09.003
Keywords
Radioactive material dispersion; Radioactive concentrations; Nuclear power plants; Accident
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The radioactive material dispersion is investigated in terms of the radioactive concentrations. The risk of the radioactive hazard material is important with respect to the public health. The prevailing westerlies region is modeled for the dynamical consequences, whereby the Fukushima nuclear disaster in Japan is modeled. The multiplications effects of the wind values and plume concentrations are obtained. Monte Carlo calculations are performed for wind speed and direction. In Seoul and Pusan, Korea, the Cs-137 has the highest value among the chemical radioactive materials Cs-137, I-131, and Sr-90. The time for highest concentration is shown to be around 48th hour in Seoul and 12th hour in Pusan. Cesium has the highest value in both cities, and iodine has the lowest value in both cities. The wind is assumed to determine the direction of movement. Therefore, the real values are believed to be lower than the calculated results. This modeling could be used for other industrial accident cases in chemical plants. (C) 2012 Elsevier Ltd. All rights reserved.
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