DOI: 10.55176/2414-1038-2021-3-106-122
Authors & Affiliations
Vilenskii O.Yu., Dushev S.A., Lapshin D.A., Novinskii E.G., Tatarskii A.M.
Afrikantov OKB Mechanical Engineering, Nizhny Novgorod, Russia
Vilenskii O.Yu. – Head of the Department, Cand. Sci. (Techn.). Contacts: 15 Burnakovsky proezd, Nizhny Novgorod, Russia, 603074. Tel.: +7 (831) 246-97-21; e-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Dushev S.A. – Chief Designer of Fuel Handling Equipment, Cand. Sci. (Techn.).
Lapshin D.A. – Head of Group, Cand. Sci. (Techn.).
Novinskii E.G. – Chief Specialist, Dr. Sci. (Techn.)
Tatarskii A.M. – Design Engineer.
Abstract
The aim of the paper is to substantiate the developed shipping package integrity on the basis of mathematical analysis of postulated scenarios for the heaviest dynamic effects using verified behavior models for applied structural materials and modern certified finite element software package.
The shipping package is permitted to transfer to the limiting condition in the result of impact, when its further operation is not acceptable, and recovery of its functional condition is not expedient, excluding the possibility of falling out of the nuclear fuel (NF) or distortion of the relative position of the NF in the shipping package.
The paper presents main analysis results of the process of an aircraft turbine collision with a shipping package. The calculation analysis was performed using the dynamic calculation module LS-DYNA of the certified software package ANSYS. The LS-DYNA module is meant for computational analysis of high linear dynamic processes under explicit scheme of integration of the dynamics equations. The completed full-scale mathematical 3D-modeling permitted to carry out sufficiently deep and detailed analysis of dynamic processes, reducing the design duration, and it permitted to reduce the self-cost of the developed design.
The obtained results of mathematical analysis of shipping package behavior during interaction with aircraft turbine enabled to form the approach to substantiation of equipment safety in incidents. The detailed design study performed at the design stage formed basis for the final appearance of the developed structure.
Keywords
dynamic processes, plastic deformation, assessment of incident consequences, aircraft crash, shipping package, safe operation, software tool, impact energy
Article Text (PDF, in Russian)
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UDC 621.039
Problems of Atomic Science and Technology. Series: Nuclear and Reactor Constants, 2021, issue 3, 3:8
