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|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 VAIDAS; FLORES Y FLORES ALAIN; RAISON PHILIPPE; SMITH ANNA; MOZZANI N.; FERIA F.; HERRANZ L.; FARGUES B.|
|Citation:||ANNALS OF NUCLEAR ENERGY vol. 119 p. 454-473|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|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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