A three-dimensional code for calculating the propagation of radioactive contamination under conditions of industrial development in the presence of atmospheric emissions is being developed at IBRAE RAS. The effective irradiation dose rate from a cloud, contaminated soil, and building walls is calculated on the basis of modeling. The screening of ionizing radiation by building walls is taken into account. The present work is devoted to verifying a method of calculating the effective irradiation dose rate due to contaminated soil and building walls. Two test problems are examined: with the contaminated surface of a cone-shaped building and a section of soil. It is concluded on the basis of the solution of problems that the accuracy of the method used in the three-dimensional computational code is acceptable.
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D. V. Dzama and O. S. Sorokovikova, “Verification of a mathematical model for calculating the radiation dose from a radioactive cloud of arbitrary shape taking account of the screening by buildings,” At. Energ., 120, No. 6, 351–354 (2016).
Translated from Atomnaya Énergiya, Vol. 126, No. 6, pp. 337–340, June, 2019.
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Dzama, D.V., Sorokovikova, O.S. Verification of a Mathematical Model for Calculating the Effective Irradiation Dose Rate from Contaminated Soil and Building Walls Taking Screening into Account. At Energy 126, 388–392 (2019). https://doi.org/10.1007/s10512-019-00570-w