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PRIM-AES Software Package for Simulation of Transient Modes at Power Units with VVER Reactors

作     者:Gornostaev, D. A. Budnikov, A. V. Sokurenko, E. D. Fomin, A. V. Kolokol, A. S. 

作者机构:Kurchatov Inst Natl Res Ctr Moscow 123182 Russia 

出 版 物:《PHYSICS OF ATOMIC NUCLEI》 (Phys. At. Nucl.)

年 卷 期:2024年第87卷第8期

页      面:1089-1100页

核心收录:

学科分类:07[理学] 070203[理学-原子与分子物理] 0702[理学-物理学] 

主  题:power unit stationary and dynamic transients automated process control system calculation code modernization integration of models graphic editor adaptation and analysis of data from the archives of the Top-Level Control System of NPP and in-core instrumentation GET-R1 computer-aided design system 

摘      要:A description of the PRIM-AES software package (NPP simulator program) for modeling neutronic and thermal-hydraulic processes in transient modes at power units with VVER reactors is presented. The package includes a dynamic-simulation environment for the implementation of complex algorithms for automatic control systems based on SimInTech CAD systems and the TIGR-M program for combined neutronic and thermal-hydraulic calculation of normal operation and emergency modes, which is a development of the TIGR-1 software package. The modernization of the thermal-hydraulic module of the TIGR-1 software package is described, which is carried out to extend the applicability of the code in the volume of the power unit. The structure of a new software-computing package with a description of its constituent modules and the interface for data exchange between them has been developed and presented. The goals and objectives of the application of the developed software package are determined, which allow assessing the relevant criteria of dynamic stability for stationary modes of normal operation and transient modes of normal operation, including power maneuvering modes, and operation limitation modes in the case of violation of safe operation conditions and emergency modes of the second category involving failures of the main equipment.

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