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pubblicazioni - Memoria

Sodium Safety Issues – Pool and Spray Fire Modeling

pubblicazioni - Memoria

Sodium Safety Issues – Pool and Spray Fire Modeling

Descrizione dei principali risultati ottenuti con le attività sperimentali e modellistiche concernenti spray e pool fire di sodio liquido. Principale attenzione sui modelli sviluppati ed implementati nel codice ECART.

Metallic sodium is mainly used in the industrial sector for the production of its compounds and in electrical batteries. There are interesting applications of liquid sodium also in the nuclear sector where the metal is sometimes used as coolant in fast-neutron spectrum reactors (Gen IV). Liquid sodium has good thermal transfer characteristics, but its use implies a considerable risk if a leak occurs, as sodium is a very reactive metal with oxygen and water. Moreover, hot sodium can react with concrete (mainly because of water and calcareous substances inside). Experimental and modeling activities, focused on liquid sodium pool and spray fires, were carried out in RSE. The models were implemented inside ECART numerical tool after a first validation of stand-alone versions. The paper describe the main results of those activities with focus on the modeling.

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