Title: Development and Assessment of ASTEC-Na Fuel Pin Thermo-Mechanical Models Performed in the European JASMIN Project
Authors: PEREZ-MARTIN S.PFRANG W.GIRAULT N.CLOAREC L.LABORDE L.BUCK M.MATUZAS VAIDASFLORES Y FLORES ALAINRAISON PHILIPPESMITH ANNAMOZZANI N.FERIA F.HERRANZ L.FARGUES B.
Citation: ANNALS OF NUCLEAR ENERGY vol. 119 p. 454-473
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication Year: 2018
JRC N°: JRC106258
ISSN: 0306-4549
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC106258
DOI: 10.1016/j.anucene.2017.12.061
Type: Articles in periodicals and books
Abstract: ASTEC-Na is a computer code system which evaluates protected and unprotected accidents in Sodium-cooled Fast Reactors throughout the Initiation Phase. The fuel pin behavior models implemented in ASTEC-Na sum up the essential aspects of the thermal and mechanical behavior of SFR fuel pins undergoing an accidental transient. A specific cladding mechanical model and an in-pin fuel relocation model have been developed all through the project where the later has been already implemented in the code and is already available. ASTEC-Na fuel pin behavior models are described in this paper and their transient predictions for four CABRI transient tests are compared to available experimental data as well as to SAS-SFR and SIMMER-III code calculations. Conclusions on the overall performance of ASTEC-Na fuel pin models are also presented.
JRC Directorate:Nuclear Safety and Security

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