An innovative phase transition modeling for reproducing cavitation through a five-equation model and theoretical generalization to six and seven-equation models

Rodio, M G; Abgrall, Rémi

doi:10.1016/j.ijheatmasstransfer.2015.05.008

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Rodio, M. G., & Abgrall, R. (2015). An innovative phase transition modeling for reproducing cavitation through a five-equation model and theoretical generalization to six and seven-equation models. International Journal of Heat and Mass Transfer, 89, 1386–1401. https://doi.org/10.1016/j.ijheatmasstransfer.2015.05.008

Abstract

This work is devoted to model the phase transition for two-phase flows with a mechanical equilibrium model. First, a five-equation model is obtained by means of an asymptotic development starting from a non-equilibrium model (seven-equation model), by assuming a single-velocity and a single pressure between the two phases, and by using the Discrete Equation Method (DEM) for the model discretization. Then, a splitting method is applied for solving the complete system with heat and mass transfer, i.e., the solution of the model without