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A note on single bubble motion in surfactant solutions

Published online by Cambridge University Press:  01 March 2001

YONGQIN ZHANG and
J. A. FINCH
YONGQIN ZHANG
Affiliation:
Department of Mining and Metallurgical Engineering, McGill University, 3610 University Street, Montreal, PQ, Canada, H3A 2B2; e-mail: jfinch@po-box.mcgill.ca
J. A. FINCH
Affiliation:
Department of Mining and Metallurgical Engineering, McGill University, 3610 University Street, Montreal, PQ, Canada, H3A 2B2; e-mail: jfinch@po-box.mcgill.ca
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Abstract

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This note addresses measurement of single bubble velocity in surfactant solutions and the physical model of the effect of surfactant concentration on the steady-state velocity. Continuous tracking of the bubble along the rise path is used as the measurement method. Using this technique, the steady-state velocity is found to be independent of surfactant concentration over a wide range, which contradicts the data frequently used to develop models.

Information

Type
Research Article
Information
Journal of Fluid Mechanics , Volume 429 , 25 February 2001, pp. 63 - 66
Copyright
© 2001 Cambridge University Press