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5. Thin Liquid Films: where Hydrodynamics, Capillarity, Surface Stresses, and Intermolecular Forces meet

Author

Chatzigiannakis, Emmanouil, Jaensson, Nick, and Vermant, Jan

Subjects
Rupture, Thin liquid films, Drainage, Coalescence, Interfacial rheology
Abstract

Thin liquid films arise in many technological applications and biological phenomena. They also present a fascinating object of study, because of a rich interplay between capillarity, hydrodynamics, interfacial transport phenomena and interfacial rheology, as well as the effects of interaction forces when films thin down to molecular thicknesses. Recent advances in experimental techniques have given further insights in the variety of physical phenomena, which can occur. These techniques are briefly reviewed. How these techniques can be utilised is illustrated by recent studies addressing the effect of interfacial rheological stresses on drainage, the interplay between capillarity and hydrodynamics during film retraction, and the solutocapillary stabilisation of films. Finally, we briefly discuss the challenges of conducting drainage measurements at high and varied capillary numbers and how these could be overcome by the combined use of experiments and simulations., Current Opinion in Colloid & Interface Science, ISSN:1879-0399, ISSN:1359-0294

Published
2021

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