Kalinina Valeriya P. Design Engineer Afrikantov OKBM, Joint-Stock Company kalinina_vp@okbm.nnov.ruAssessment of Design Approximation Impact on Neutronic Characteristics of a High-Temperature Gas-Cooled Reactor Fuel Assembly 3/18/2024 2024 - #01 Modelling processes at nuclear facilities Salyaev A.V. Usynina S.G. Kalinina V.P.