MATEC Web of Conferences
Volume 23, 2015Heat and Mass Transfer in the Thermal Control System of Technical and Technological Energy Equipment
|Number of page(s)||5|
|Published online||31 August 2015|
Dynamics of bubble rising at small Reynolds numbers
1 Scientific Research Institute of Applied Mathematics and Mechanics of Tomsk State University, Tomsk, Russia
2 Tomsk State University, Tomsk, Russia
Results of experimental study of a single spherical bubble rising in the non-stationary regime in a viscous liquid (with and without surfactant) at small Reynolds numbers Re<1 have been presented. Improved empirical correlations for drag coefficient of the bubble rising with and without surfactant in the stationary regime have been obtained. Influence of nonstationary effects on the dynamics of bubble rising has been analyzed.
© Owned by the authors, published by EDP Sciences, 2015
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