Drop formation in shear-thickening granular suspensions

Zhongcheng Pan, Nicolas Louvet, Yves Hennequin, Hamid Kellay, and Daniel Bonn
Phys. Rev. E 92, 052203 – Published 13 November 2015

Abstract

We study droplet formation in granular suspensions by systematically varying the volume fractions (φ) and particle diameters (d). For suspensions with water as the suspending liquid, we find three different regimes. For dilute suspensions (φ45%), drop formation follows the predictions for inertial breakup and exhibits identical dynamics to that of pure water. The breakup is strongly asymmetrical in this case. Only for more concentrated suspensions (φ>45%) does the presence of particles change the dynamics and two other regimes, a symmetrical inertial regime and a Bagnoldian regime, are uncovered. We construct and discuss a phase diagram that allows us to understand and predict the breakup behavior in granular suspensions.

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  • Received 5 July 2014

DOI:https://doi.org/10.1103/PhysRevE.92.052203

©2015 American Physical Society

Authors & Affiliations

Zhongcheng Pan1, Nicolas Louvet2,*, Yves Hennequin1, Hamid Kellay2, and Daniel Bonn1,†

  • 1Soft Matter group, Van der Waals–Zeeman Institute, IoP, Science Park 904, Amsterdam, Netherlands
  • 2Université de Bordeaux, Laboratoire Ondes et Matière d'Aquitaine CNRS UMR 5798, 351 cours de la Libération, 33405, Talence, France

  • *Present address: Laboratoire d'Energétique et de Mécanique Théorique et Appliquée (LEMTA), Université de Lorraine-CNRS, UMR 7563, F-54504 Vandoeuvre-Lès-Nancy, France.
  • D.Bonn@uva.nl

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Vol. 92, Iss. 5 — November 2015

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