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Linear hydrodynamics of viscous thin films. II. Application to lipid films

par Gallez, Dominique ;Bisch, Paulo Mascarello ;Wendel, H
Référence Journal of colloid and interface science, 92, 1, page (121-135)
Publication Publié, 1983-03

Article révisé par les pairs

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Résumé :

While employing parameters taken from well-defined reproducible experiments the theory of Part I is exemplified for colored lipid films. Two electric profiles are considered: (i) applied electric potential, (ii) symmetric surface charge distribution. In both cases, instability of the film against periodic thickness fluctuations of long wavelengths is met. The maximum growth rate of the unstable mode is found to be rather small in agreement with experiment. The rate differs by seven orders of magnitude from previous theory and justifies thus a linear treatment. The growth rate is augmented strongly upon application of an electric field. © 1983.