Eulerian Simulation of Interacting PWR Sprays: Influence of Droplet Collisions
NURETH-14 - 2011 September 25-30


Presented at:
NURETH-14
2011 September 25-30
Location:
Toronto, Canada
Session Title:
B1-3 Computational Fluid Dynamics, Mathematical Modeling and Verification/Validation/Applications

Authors:
Arnaud Foissac (IRSN)
Jeanne Malet (IRSN)
Stéphane Mimouni (EDF R&D)
Pierre Ruyer (IRSN)
François Feuillebois (CNRS)
Olivier Simonin (CNRS)
  

Abstract

A numerical simulation of the interaction between two real Pressurized Water Reactor containment sprays is performed with a new model implemented into the Eulerian CFD code NEPTUNE_CFD. The water droplet polydispersion in size has been treated with a sectional approach. The influence of collisions between droplets is taken into account with a statistical approach based on the various outcomes of binary collision. Experiments were performed on a new facility, and data obtained are compared with this two-fluid simulation. The results show a good agreement.

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