Abstract
The presentation deals with one of the experimental models of a quasi-empty rupture which is formed in the liquid layer of a distilled cavitating fluid under shock loading. It is shown that the rupture is shaped as a spherical segment, which retains its topology during the entire process of its evolution and collapsing. The dynamic behavior of the quasi-empty rupture and of the structure of cavitating flow on its surface are analyzed. It is shown that rupture implosion is accompanied by the SW radiation and a transformation of the bubble boundary layer to a cavitating cluster, which takes the form of a ring-shaped vortex floating upward to the free surface of the liquid layer.
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