Microbubble transport in a potential flow about a sphere is studied. A system of differential equations is solved numerically to model the propagation of microbubbles subject to the Kelvin impulse, pressure gradients and drag. Buoyancy due to the pressure gradient is found to be the dominant force, but the deviation from streamlines is small. Finally, the inclusion of a viscous boundary layer is shown to prevent bubbles colliding with the sphere surface.
History
Publication title
Conference Proceedings
Department/School
National Centre for Maritime Engineering and Hydrodynamics
Event title
CAV2021: 11th International Symposium on Cavitation
Event Venue
Daejon, Korea
Date of Event (Start Date)
2021-05-10
Date of Event (End Date)
2021-05-13
Rights statement
Copyright unknown
Socio-economic Objectives
280120 Expanding knowledge in the physical sciences