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      Qualification of coupled 3D neutron kinetic/thermal hydraulic code systems by the calculation of a VVER-440 benchmark – re-connection of an isolated loop Translated title: Qualifizierung von gekoppelten 3D-Neutronenkinetik-Thermohydraulik-Programmsystemen am Beispiel von Rechnungen zum VVER-440 Benchmark „Wiederinbetriebnahme eines isolierten Loops“

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          Abstract

          The 7th AER dynamic benchmark is a continuation of the efforts to validate the codes systematically for the estimation of the transient behavior of VVER type nuclear power plants. The main part of the benchmark is the simulation of the re-connection of an isolated circulation loop with low temperature in a VVER-440 plant. This benchmark was calculated by the National Research Centre “Kurchatov Institute” (with the code ATHLET/BIPR-VVER), ÚJV Řež (with the code RELAP5-3D ©) and HZDR (with the code DYN3D/ATHLET). The paper gives an overview of the behavior of the main thermal hydraulic and neutron kinetic parameters in the provided solutions.

          Kurzfassung

          Der 7. dynamische AER Benchmark führt die Arbeiten zur systematischen Validierung der Programme zur Berechnung von transientem Verhalten in WWER Reaktoren weiter. Der größte Teil dieses Benchmarkproblems widmet sich der Berechnung der Wiederinbetriebnahme eines isolierten Loops mit Kühlmittel niedriger Temperatur in einem WWER-440. Dieser Benchmark wurde vom National Research Centre “Kurchatov Institute” (mit dem Programmsystem ATHLET/BIPR-VVER), ÚJV Řež (RELAP5-3D ©) und dem HZDR (DYN3D/ATHLET) berechnet. In diesem Beitrag werden die wesentlichen berechneten Parameter der Thermohydraulik und der Neutronenkinetik verglichen.

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          Most cited references10

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          The reactor dynamics code DYN3D – models, validation and applications

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            Validation and verification of the coupled neutron kinetic/thermal hydraulic system code DYN3D/ATHLET

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              Modeling of flashing-induced instabilities in the start-up phase of natural-circulation BWRs using the two-phase flow code FLOCAL

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                Author and article information

                Journal
                kt
                Kerntechnik
                Carl Hanser Verlag
                0932-3902
                2195-8580
                26 August 2016
                : 81
                : 4
                : 407-417
                Affiliations
                1 National Research Centre “Kurchatov Institute”, 1, Akademika Kurchatova pl., Moscow, 123182, Russian Federation
                2 ÚJV Řež, a. s., Hlavní 130, 250 68 Husinec – Řež, Czech Republic
                3 Helmholtz-Zentrum Dresden-Rossendorf (HZDR) e.V., Bautzner Landstraße 400, 01328 Dresden, Germany
                Author notes
                Article
                KT110702
                10.3139/124.110702
                92060d8b-3d86-4438-bfc5-fd9912eed9ce
                © 2016, Carl Hanser Verlag, München
                History
                : 28 January 2016
                Page count
                References: 25, Pages: 11
                Categories
                Technical Contributions/Fachbeiträge

                Materials technology,Materials for energy,Nuclear physics
                Materials technology, Materials for energy, Nuclear physics

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