Issue |
MATEC Web Conf.
Volume 110, 2017
International Youth Scientific Conference “Heat and Mass Transfer in the Thermal Control System of Technical and Technological Energy Equipment” (HMTTSC 2017)
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Article Number | 01001 | |
Number of page(s) | 4 | |
DOI | https://doi.org/10.1051/matecconf/201711001001 | |
Published online | 19 June 2017 |
Effect of surfactant on the evolution of bubble motion
National Research Tomsk State University, 634050 Tomsk, Russia
* Corresponding author: leva@niipmm.tsu.ru
Results of an experimental study of the process of ascent of a single bubble of air in the presence of a surfactant are presented. An empirical dependence for drag coefficient of the bubble that emerges in a liquid containing a surfactant in the region of small Reynolds numbers has been obtained. Theoretical studies of the effect of surfactants on the velocity of motion of a bubble in a nonstationary regime have been carried out. A theoretical analysis of the effect of nonstationary forces on the dynamics of bubble rising in the nonstationary regime has been conducted.
© The Authors, published by EDP Sciences, 2017
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