The nature of bubble entrapment in a Lamb–Oseen vortex
Bubble trajectories in the presence of a decaying Lamb–Oseen vortex are calculated using a modified Maxey–Riley equation. Some bubbles are shown to get trapped within the vortex in quasi-equilibrium states. All the trapped bubbles exit the vortex at a time that is only a function of the Galilei numb...
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| Veröffentlicht in: | Physics of fluids (1994) 2021-06, Vol.33 (6) |
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| container_title | Physics of fluids (1994) |
| container_volume | 33 |
| creator | Kelly, Ryan Goldstein, David B. Suryanarayanan, Saikishan Botto Tornielli, Marcos Handler, Robert A. |
| description | Bubble trajectories in the presence of a decaying Lamb–Oseen vortex are calculated using a modified Maxey–Riley equation. Some bubbles are shown to get trapped within the vortex in quasi-equilibrium states. All the trapped bubbles exit the vortex at a time that is only a function of the Galilei number and the vortex Reynolds number. The set of initial bubble locations that lead to entrapment is numerically determined to show the capturing potential of a single vortex. The results provide insight into the likelihood of bubble entrapment within vortical structures in turbulent flows. |
| doi_str_mv | 10.1063/5.0053658 |
| format | Article |
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| ispartof | Physics of fluids (1994), 2021-06, Vol.33 (6) |
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| language | eng |
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| source | American Institute of Physics (AIP) Journals; Alma/SFX Local Collection |
| subjects | Bubbles Computational fluid dynamics Entrapment Fluid dynamics Fluid flow Physics Reynolds number Vortices |
| title | The nature of bubble entrapment in a Lamb–Oseen vortex |
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