An Approximation Method for the Cavitation Eroded Surface Available to Purchase

Flow characteristics of hydraulic machineries could be highly influenced by cavitation erosion. In order to evaluate the effect of cavitation erosion on the flow characteristics, an approximation method of the cavitation eroded surface is proposed. The cavitation eroded surface shows very complicated geometry with some patterned structure. In this study the particular eroded surface of metallic material with the sponge like porous structure often referred as orange peel is numerically approximated considering computer generated image technology. A solid model that is hollowed out with a great number of spherical surfaces, shows similar structure with the cavitation eroded surface. This approximated geometry can be used as the boundary condition of following CFD process.