Droplet relaxation in Hele-Shaw geometry: Application to the measurement of the nematic-isotropic surface tension

Patrick Oswald and Guilhem Poy
Phys. Rev. E 92, 062512 – Published 22 December 2015

Abstract

Shape measurements after the coalescence of isotropic droplets embedded in a thin sample of a homeotropic nematic phase provides a tool to measure the nematic-isotropic surface tension. In addition, this experiment allows us to check the scaling laws recently given by Brun et al. [P.-T. Brun, M. Nagel, and F. Gallaire, Phys. Rev. E 88, 043009 (2013)] to explain the relaxation of ellipsoidal droplets in a Hele-Shaw cell.

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  • Received 16 October 2015

DOI:https://doi.org/10.1103/PhysRevE.92.062512

©2015 American Physical Society

Authors & Affiliations

Patrick Oswald* and Guilhem Poy

  • Université de Lyon, Ecole Normale Supérieure de Lyon, Laboratoire de Physique, CNRS, 46 Allée d'Italie, 69364 Lyon, Cedex 07, France

  • *patrick.oswald@ens-lyon.fr

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Vol. 92, Iss. 6 — December 2015

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