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RELAP/SCDAPSIM/MOD3.5 analysis of KIT’s QUENCH-14 experiment

The test conditions used in the QUENCH-14 were comparable to the QUENCH-6 experiment that used Zircaloy-4. Simulations presented in the article were performed with MATPRO Zircaloy-4 properties and both QUENCH-6 and QUENCH-14 experimental conditions. | RELAP SCDAPSIM MOD3.5 analysis of KIT s QUENCH-14 experiment EPJ Nuclear Sci. Technol. 3 25 2017 Nuclear Sciences O. Dutkiewicz et al. published by EDP Sciences 2017 amp Technologies DOI 10.1051 epjn 2017019 Available online at http www.epj-n.org REGULAR ARTICLE RELAP SCDAPSIM MOD3.5 analysis of KIT s QUENCH-14 experiment Olga Dutkiewicz1 Krzysztof M. Marcinkiewicz1 Hiroshi Madokoro2 Siarhei Shumski3 Chris M. Allison4 and Judith K. Hohorst4 1 Warsaw University of Technology Institute of Heat Engineering Nowowiejska 21 25 00-635 Warsaw Poland 2 Karlsruhe Institute of Technology Hermann-von-Helmholtz-Platz 1 76344 Eggenstein-Leopoldshafen Germany 3 UPC Polytechnic University of Catalonia Calle Jordi Girona 1-3 08-034 Barcelona Spain 4 Innovative Systems Software 3585 Briar Creek Ln Ammon 83-406 USA Received 7 June 2017 Received in final form 21 July 2017 Accepted 7 August 2017 Abstract. The QUENCH-14 experiment was performed within the ACM series Advanced Cladding Materials performed by Karlsruhe Institute of Technology KIT Germany to investigate the performance of M5 cladding material. During the experiment the peak temperatures exceeded 2000 K the maximum temperature was estimated at 2249 K therefore a local melting of the cladding occurred. The experiment was terminated by reduction in the electrical power followed by water injection from the bottom of the test bundle. There was no breakaway oxidation or melt relocation. The test conditions used in the QUENCH-14 were comparable to the QUENCH-6 experiment that used Zircaloy-4. Simulations presented in the article were performed with MATPRO Zircaloy-4 properties and both QUENCH-6 and QUENCH-14 experimental conditions. 1 Introduction 1.2 QUENCH-14 experiment 1.1 The RELAP SCDAPSIM MOD3.5 code The QUENCH-14 2 experiment was performed within the The RELAP SCDAPSIM 1 code designed to predict the ACM series Advanced Cladding Materials performed by behaviour of reactor systems both during normal and Karlsruhe Institute .