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|Title:||Improvement of the European thermodynamic database NUCLEA|
|Authors:||BAKARDJIEVA S.; BARRACHIN M.; BECHTA S. V.; BOTTOMLEY Paul; BRISSONNEAU L.; CHEYNET B.; FISCHER E.; JOURNEAU C.; KISELOVA M.; MEZENTSEVA L. P.; PILUSO P.; WISS Thierry|
|Citation:||PROGRESS IN NUCLEAR ENERGY vol. 52 no. 1 p. 84-96|
|Publisher:||PERGAMON-ELSEVIER SCIENCE LTD|
|Type:||Articles in periodicals and books|
|Abstract:||Modelling of corium behaviour during a severe accident requires knowledge of the phases present at equilibrium for a given corium composition, temperature and pressure. The thermodynamic database NUCLEA in combination with a Gibbs Energy minimizer is the European reference tool to achieve this goal. This database has been improved thanks to the analysis of bibliographical data and to EU-funded experiments performed within the SARNET network, PLINIUS as well as the ISTC CORPHAD and EVAN projects. To assess the uncertainty range associated with Energy Dispersive X-ray analyses, a round-robin exercise has been launched in which a UO2-containing corium-concrete interaction sample from VULCANO has been analyzed by three European laboratories with satisfactorily small differences. © 2009 Elsevier Ltd. All rights reserved.|
|JRC Directorate:||Nuclear Safety and Security|
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