Radiological safety analysis of Rooppur Nuclear Power Plant site using atmospheric dispersion model Online publication date: Wed, 10-Mar-2021
by Altab Hossain; Sarim Salman Karim; Maruf Hasan Khan; Faraji Samiul Haque Bijoy
International Journal of Low Radiation (IJLR), Vol. 11, No. 3/4, 2020
Abstract: The purpose of this work is to estimate dose received in case of release of radionuclide into the atmosphere from the under-construction Rooppur Nuclear power plant (NPP) due to a hypothetical accident with the help of an atmospheric dispersion model. A generic source term code has also been developed using MATLAB by following NUREG-1228. The sensitivity analysis is based on variation of the received total effective dose equivalent (TEDE) corresponding to the variation of the uncertain input parameters. The sensitivity was seen to be higher at stable conditions with the change of high wind speed. Estimated TEDE dose results for Xe-133 at different downwind distances from Rooppur NPP site in different atmospheric stability classes. The maximum TEDE of 6.40E-06 Sv was estimated at maximum distance of 0.7 km from the site for stability class A, whereas, in case of unstable stability class B, it was 5.70E-05.
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