EPJ Web Conf.
Volume 153, 2017ICRS-13 & RPSD-2016, 13th International Conference on Radiation Shielding & 19th Topical Meeting of the Radiation Protection and Shielding Division of the American Nuclear Society - 2016
|Number of page(s)||3|
|Section||5. Fission Facilities, Fuel Cycle & Waste Management Facilities, Decommissioning|
|Published online||25 September 2017|
Recalculation with SEACAB of the activation by spent fuel neutrons and residual dose originated in the racks replaced at Cofrentes NPP
1 SEA Ingeniería y Análisis de Blindajes S.L., Av. Atenas 75, Las Rozas 28232, Madrid, Spain
2 IBERDROLA Generación Nuclear S.A.U., Cofrentes NPP, Valencia, Spain
a Corresponding author: email@example.com
Published online: 25 September 2017
In order to increase the storage capacity of the East Spent Fuel Pool at the Cofrentes NPP, located in Valencia province, Spain, the existing storage stainless steel racks were replaced by a new design of compact borated stainless steel racks allowing a 65% increase in fuel storing capacity. Calculation of the activation of the used racks was successfully performed with the use of MCNP4B code. Additionally the dose rate at contact with a row of racks in standing position and behind a wall of shielding material has been calculated using MCNP4B code as well. These results allowed a preliminary definition of the burnker required for the storage of racks. Recently the activity in the racks has been recalculated with SEACAB system which combines the mesh tally of MCNP codes with the activation code ACAB, applying the rigorous two-step method (R2S) developed at home, benchmarked with FNG irradiation experiments and usually applied in fusion calculations for ITER project.
© The Authors, published by EDP Sciences, 2017
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