Abstract
PurposeThis study aims to study hollow droplet collisions for their hydrodynamic behavior and jet properties.Design/methodology/approachThe volume of fluid (VOF) method was used to simulate a hollow impact using OpenFoam software (VOF).FindingsThe height of the edge-jet decreased as the air diameter (d) and length of the concave surface (L) increased. Height is specific for case 1 at t = 4 ms and its value is 3 mm. The minimum height is 0.585 mm in case 5. Also, the length of the edge-jet changed with time and decreased with the increasing length of concave and air diameter. The maximum length observed in case 1 was 9.23 mm, and the minimum appeared in case 5, in which the length was 0.68 mm.Originality/valueThe impact of a hollow droplet on a solid concave surface was numerically analyzed in this paper at various lengths of surface and shell thicknesses.
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