Abstract
The resonant motion of a compressible bubble in an acoustic field is numerically investigated by using a level-set method, which is extended to examine compressible two-phase flows of air and weakly compressible liquid water. Computations are performed for bubble motion on a solid surface that is exposed to a periodic pressure wave. Numerical results show that the resonant bubble motion is significantly magnified by the surrounding compressible liquid when a specific height is reached. The effects of liquid height, contact angle, and bubble size on the oscillation amplitudes of bubble radius and pressure are quantified.
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