| Issue |
EPJ Web of Conferences
Volume 67, 2014
EFM13 – Experimental Fluid Mechanics 2013
|
|
|---|---|---|
| Article Number | 02125 | |
| Number of page(s) | 5 | |
| Section | Contributions | |
| DOI | https://doi.org/10.1051/epjconf/20146702125 | |
| Published online | 25 March 2014 | |
https://doi.org/10.1051/epjconf/20146702125
Collision of a small bubble with a large falling particle
1 Institute of Chemical Process Fundamentals, 165 02 Praha 6, Czech Republic
2 Prague Institute of Chemical Technology, Department of Chemical Engineering, 166 28 Praha 6, Czech Republic
a Corresponding author: vejrazka@icpf.cas.cz
Published online: 25 March 2014
The motion of a tiny bubble (< 1mm) in a neighborhood of a solid sphere falling through a liquid is studied. A model assuming irrotational flow around the sphere and spherical bubble shape is provided; this model is validated by comparison with the experiment. The model can be further simplified by neglecting inertial forces, which are negligible in present experiments. Results of the model are provided also for the opposite limit, in which the inertial forces are dominating the bubble motion.
© Owned by the authors, published by EDP Sciences, 2014
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