Dynamics of bubble rising in the presence of surfactants

V. A. Arkhipov; I. M. Vasenin; A. S. Usanina

doi:10.1134/S0015462816020137

Dynamics of bubble rising in the presence of surfactants

Authors: Arkhipov V.A.¹, Vasenin I.M.¹, Usanina A.S.¹
Affiliations:
1. National Research Tomsk State University
Issue: Vol 51, No 2 (2016)
Pages: 266-274
Section: Article
URL: https://journals.rcsi.science/0015-4628/article/view/155147
DOI: https://doi.org/10.1134/S0015462816020137
ID: 155147

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Abstract

The results of experimental studies and theoretical analysis of the dynamics of a spherical bubble rising in a liquid with surfactants are presented for a wide range of Reynolds numbers. A refined empirical dependence for the bubble drag coefficient in the steady-state regime at Re < 1 is obtained. The influence of surfactants on the bubble shape and rising velocity in the transient regime is analyzed.