Experimental investigation on destructive potential of shock-induced bubble collapse

Z Wang, T Hopfes, M Giglmaier… - … on Cavitation [CAV …, 2018 - mediatum.ub.tum.de
International Symposium on Cavitation [CAV, 10th, 2018], 2018mediatum.ub.tum.de
The present study experimentally investigates shock-induced collapse of bubbles near
boundaries of different plasticity and the resulting destructive erosion. Air bubbles held in
gelatin are placed close to either a solid wall or a soft clay layer. High pressure impulse
generated by a shock tube is employed to trigger bubble collapse. The bubble deformation
is visualized by a focused shadowgraph system, and the damage caused to the boundary
surface is closely examined as well. The collapse o...»
Abstract
The present study experimentally investigates shock-induced collapse of bubbles near boundaries of different plasticity and the resulting destructive erosion. Air bubbles held in gelatin are placed close to either a solid wall or a soft clay layer. High pressure impulse generated by a shock tube is employed to trigger bubble collapse. The bubble deformation is visualized by a focused shadowgraph system, and the damage caused to the boundary surface is closely examined as well. The collapse o...»
mediatum.ub.tum.de
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