Bubble Behavior in a Vertically Vibrating Enclosed, Liquid-Filled Cylinder

When subjected to certain harmonic oscillations, the gas bubble in a partially liquid-filled, closed, vertical cylinder will break up. Under certain conditions, some of the gas will migrate to the bottom due to Bjerknes forces. At sufficiently large amplitudes, the bubble will break up into gas bubb...

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Bibliographic Details
Published in:AIAA journal 2022-02, Vol.60 (2), p.1243-1250
Main Authors: Obenauf, Dayna G, Halls, Benjamin R, Marley Kunzler, W, Farias, Paul A, Torczynski, John R
Format: Article
Language:English
Subjects:
Acceleration
Bubbles
Engineering
Harmonic oscillation
Interfaces
Investigations
Velocity
Vertical cylinders
Viscosity
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Summary:When subjected to certain harmonic oscillations, the gas bubble in a partially liquid-filled, closed, vertical cylinder will break up. Under certain conditions, some of the gas will migrate to the bottom due to Bjerknes forces. At sufficiently large amplitudes, the bubble will break up into gas bubbles at the top and bottom ends of the cylinder. High-speed imaging captured the dynamics of bubble breakup and gas migration. Several parameters were investigated: oscillation frequency, oscillation acceleration, gas volume fraction, and liquid viscosity.
ISSN:0001-1452
1533-385X
DOI:10.2514/1.J060810