| Issue |
EPL
Volume 115, Number 4, August 2016
|
|
|---|---|---|
| Article Number | 44001 | |
| Number of page(s) | 6 | |
| Section | Electromagnetism, Optics, Acoustics, Heat Transfer, Classical Mechanics, and Fluid Dynamics | |
| DOI | https://doi.org/10.1209/0295-5075/115/44001 | |
| Published online | 14 September 2016 | |
Between inertia and viscous effects: Sliding bubbles beneath an inclined plane
GRASP, Physics Department B5, University of Liège - B-4000 Liège, Belgium
Received: 4 May 2016
Accepted: 22 August 2016
The ascent motion of an air bubble beneath an inclined plane is experimentally studied. The effects of the surrounding liquid viscosity and surface tension, the bubble radius and the tilt angle are investigated. A dynamical model is proposed. It opposes the buoyant driving force to the hydrodynamical pressure arising from the bubble motion and the capillary meniscus generated in front of the bubble in order to create a lubrication film between the bubble and the plate. This model is compared to experimental data and discussed.
PACS: 47.55.D- – Drops and bubbles / 68.15.+e – Liquid thin films / 47.55.dr – Interactions with surfaces
© EPLA, 2016
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