PMID: 15244577Jul 13, 2004Paper

Can a droplet break up under flow without elongating? Fragmentation of smectic monodisperse droplets

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Laurent CourbinP Panizza

Abstract

We study the fragmentation under shear flow of smectic monodisperse droplets at high volume fraction. Using small angle light scattering and optical microscopy, we reveal the existence of a break-up mechanism for which the droplets burst into daughter droplets of the same size. Surprisingly, this fragmentation process, which is strain controlled and occurs homogeneously in the cell, does not require any transient elongation of the droplets. Systematic experiments as a function of the initial droplet size and the applied shear rate show that the rupture is triggered by an instability of the inner droplet structure.

References

Jan 2, 1995·Physical Review Letters·T HashimotoA Onuki
Oct 14, 1996·Physical Review Letters·T G Mason, J Bibette
Feb 3, 2004·Physical Review Letters·Laurent CourbinJean-Baptiste Salmon
Mar 5, 2004·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·L Courbin, P Panizza
Mar 12, 2004·The European Physical Journal. E, Soft Matter·S W Marlow, P D Olmsted

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Citations

Feb 1, 2006·The European Physical Journal. E, Soft Matter·S Fujii, W Richtering
Aug 7, 2007·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Hideyuki Miyazawa, Hajime Tanaka
Feb 21, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·L CourbinP Panizza

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