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A balance procedure for calculating the model fuel assemblies reflooding during design basis accident and its verification on PARAMETER test facility |
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| Authors: | S S Bazyuk D N Ignat’ev N Ya Parshin E B Popov D M Soldatkin Yu A Kuzma-Kichta |
| Affiliation: | 19729. Research Institute of the Luch Research and Production Association, Zheleznodorozhnaya ul. 24, Podolsk, Moscow oblast, 142100, Russia 29729. Moscow Power Engineering Institute, Krasnokazarmennaya ul. 14, Moscow, 111250, Russia |
| Abstract: | A balance procedure is proposed for estimating the main parameters characterizing the process of model fuel assemblies reflooding of a VVER reactor made on different scales under the conditions of a design basis accident by subjecting them to bottom reflooding1. The proposed procedure satisfactorily describes the experimental data obtained on PARAMETER test facility in the temperature range up to 1200°C. The times of fuel assemblies quenching by bottom reflooding calculated using the proposed procedure are in satisfactory agreement with the experimental data obtained on model fuel assemblies of VVER- and PWR-type reactors and can be used in developing measures aimed at enhancing the safety of nuclear power stations. |
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