Copyright © 2008-2009 Badger Metal Tech,
Inc – Rev 03-2009
How a bubble collapses
Vapor bubble in
various stages of
collapse.
Solid lines predicted
by model.
Dotted lines obtained
through experiment.
various stages of
collapse.
Solid lines predicted
by model.
Dotted lines obtained
through experiment.
Stages
1-3 spherical
Stage
4 small depression
Depression more toroidal
in its 3D shape.
Upon implosion, the
re-entrant micro jet
would form at the bottom
of the bubble with its
energy directed towards
the solid surface.