Transport and deposit of oxygen in the wake of an inertial bubble rising in a thin-gap cell
Résumé
We explore the transport of oxygen delivered by an inertial bubble rising in a fluid at rest in a vertical confined cell. While the mass transfer has been proved to be enhanced by confinement, there is poor knowledge of the 3D mechanisms of concentration transport in this flow configuration. The residence time in the attached wake and the mixing induced by vortices may affect yields of reaction products and selectivity in chemical reaction systems. It is therefore necessary to discuss the 3D transport of concentration, and this is the focus of this contribution.
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