Abstract

The simulation of cavitating flows is a challenging problem both in terms of modelling the thermodynamic path during the phase transition and the complex interaction with the turbulence. Based on a one-fluid compressible Reynolds-Averaged Navier-Stokes (RANS) solver, a numerical study is proposed to investigate and to compare different turbulence and cavitation models (with and without thermal effects). Steady and unsteady numerical results are given for 1D rarefaction cases and 2D Venturi geometries for which experimental data are available.

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