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Assessment of Two Phase Critical Flow Models and Implementation in Fast Transient Fluid Dynamics Software

[+] Author Affiliations
Philippe Lafon, Mohamed Essadki

IMSIA, EDF R&D, Clamart, France

Yann Bartosiewicz, Jean-Marie Seynhaeve

Université Catholique de Louvain, Louvain la Neuve, Belgique

Paper No. PVP2015-45559, pp. V004T04A056; 7 pages
  • ASME 2015 Pressure Vessels and Piping Conference
  • Volume 4: Fluid-Structure Interaction
  • Boston, Massachusetts, USA, July 19–23, 2015
  • Conference Sponsors: Pressure Vessels and Piping Division
  • ISBN: 978-0-7918-5697-0
  • Copyright © 2015 by ASME


The discharge of a subcooled liquid or a liquid-vapor mixture at high temperature and pressure can occur in many industrial situations. This paper is focused on the analysis of critical flow models that are already available in the fast transient dynamics software EUROPLEXUS, or that are being implemented as new break boundary conditions. The results of the Moody, Fauske, Flinta, Henry-Fauske and DEM models are presented and compared with the Super Moby Dick experimental results. The best results are obtained for the DEM. Then preliminary results concerning the implementation of the DEM model as a break boundary condition in EUROPLEXUS are given.

Copyright © 2015 by ASME



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