|
力学学报 2005
NUMERICAL SIMULATION OF THE CAVITATING, SUPERCAVITATING FLOW BASED ON NAVIER-STOKES EQUATIONS
|
Abstract:
In this paper, a numerical simulation method of turbulent cavitating and supercavitating flow around axisymmetric projectiles was presented, in which the compressible Navier-Stokes equations with standard k-e turbulence model and the developed cavity model were used. To assess the numerical method, the simulation results of hemispherical body were compared with the experimental data and other published computations. It is shown that the numerical result by the present cavity model was reliable. Another simulation result of an axisymmetric projectile demonstrated the cavitating and supercavitating characteristics in different velocity. Then, the unsteady method was used to capture the generation of supercavitating bubble and the numerical simulation results were shown in this paper.