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On the Liquid-Vapor Phase-Change Interface Conditions for Numerical Simulation of Violent Separated Flows

Matthieu Ancellin1, *, Laurent Brosset2, Jean-Michel Ghidaglia1

1 Université Paris-Saclay, ENS Paris-Saclay, CNRS, Centre Borelli, Gif-sur-Yvette, France.
2 GTT (Gaztransport & Technigaz), Saint-Rémy-lès-Chevreuse, France.

* Corresponding Author: Matthieu Ancellin. Email: email.

(This article belongs to this Special Issue: CFD Modeling and Multiphase Flows)

Fluid Dynamics & Materials Processing 2020, 16(2), 359-381. https://doi.org/10.32604/fdmp.2020.08642

Abstract

Numerous models have been proposed in the literature to include phase change into numerical simulations of two-phase flows. This review paper presents the modeling options that have been taken in order to obtain a model for violent separated flows with application to sloshing wave impacts. A relaxation model based on linear non-equilibrium thermodynamics has been chosen to compute the rate of phase change. The integration in the system of partial differential equations is done through a non-conservative advection term. For each of these modelling choices, some alternative models from the literature are presented and discussed. The theoretical framework for all phase change model (conservation equations and entropy growth) is also summarized.

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Ancellin, M., Brosset, L., Ghidaglia, J. (2020). On the Liquid-Vapor Phase-Change Interface Conditions for Numerical Simulation of Violent Separated Flows. FDMP-Fluid Dynamics & Materials Processing, 16(2), 359–381.



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