Viscous Effects on Inertial Drop Formation

A. Deblais, M. A. Herrada, I. Hauner, K. P. Velikov, T. Van Roon, H. Kellay, J. Eggers, D. Bonn

Research output: Contribution to journalArticle (Academic Journal)peer-review

40 Citations (Scopus)
251 Downloads (Pure)


The breakup of low-viscosity droplets like water is a ubiquitous and rich phenomenon. Theory predicts that in the inviscid limit one observes a finite-time singularity, giving rise to a universal power law, with a prefactor that is universal for a given density and surface tension. This universality has been proposed as a powerful tool to determine the dynamic surface tension at short time scales. We combine high-resolution experiments and simulations to show that this universality is unobservable in practice: in contrast to previous studies, we show that fluid and system parameters do play a role; notably a small amount of viscosity is sufficient to alter the breakup dynamics significantly.

Original languageEnglish
Article number254501
Number of pages5
JournalPhysical Review Letters
Issue number25
Publication statusPublished - 21 Dec 2018


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