Abstract
This paper describes a computational method for the treatment of viscous, time-dependent, cavitated flows. The method has been applied to the solution of the laminar, axisymmetric, Navier-Stokes equations using a two-phase model to account for cavitated regions. The two-phase treatment is accomplished through the addition of a pseudo-density which varies in magnitude between the vapor and liquid densities. A new treatment has been developed to provide the additional relationship required as a result of the inclusion of this new fluid variable. The model has been compared to experimental data for external flows over axisymmetric headforms. In addition, both steady and unsteady calculations of an internal flow in a sharp-edged orifice passage are also discussed.
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