Journal Title
Title of Journal: Microgravity Sci Technol
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Abbravation: Microgravity Science and Technology
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Publisher
Springer Netherlands
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Authors: Konstantin G Kostarev Andrey L Zuev Antonio Viviani
Publish Date: 2008/07/15
Volume: 21, Issue: 1-2, Pages: 59-65
Abstract
The paper deals with the experimental study of the dynamics of generation of the solutocapillary flow at the air bubble or chlorobenzene drop interfaces in inhomogeneous aqueous solutions of ethyl or isopropyl alcohols which have low surface tension and therefore are surfacetension active with respect to water It has been found that the onset of the solutocapillary Marangoni convection is appreciably delayed relative to the moment at which a running flux of concentrated surfactant solution reaches the surface Critical differences in surfactant concentrations diffusion Marangoni numbers which are responsible for initiation of the surfactant mass transfer along the interface were determined depending on the rate of surfactant flux and alcohols initial concentration in the solution surrounding the bubble
Keywords:
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