The direction of the microjet produced by the collapse of a cavitation bubble locatedin between a wall and a free surface

Abstract

In this paper, we present a simplified theoretical model based on the method of images that predicts the direction of the microjet produced after the implosion of the cavitation bubble created in between a free interface and rigid wall. Our theoretical predictions have been verified by means of a thorough experimental study in which the distances of the pulsed-laser cavitation bubble to the wall and the free surface are varied in a systematic manner. In addition, we extend the predictions to arbitrary values of the corner angle, $\pi /(2n)$ with $n$ a natural number. The present analytical solution will be useful in the design of new strategies aimed at preventing the damage caused by cavitating bubbles over solid substrates

6 pages, 7 figures

References in corpus (3)

• Scaling laws for jets of single cavitation bubbles
• Cavity collapse near slot geometries
• Jet direction in bubble collapse within rectangular and triangular channels

Cited by in corpus (5)

• A unified theory for bubble dynamics
• Theoretical study on bubble dynamics under hybrid-boundary and multi-bubble conditions using the unified equation
• Bubble nucleation and jetting inside a millimetric droplet
• Interactions between a central bubble and a surrounding bubble cluster
• Bubble collapse near porous plates