期刊
PHYSICAL REVIEW LETTERS
卷 121, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.121.254501
关键词
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资金
- Leverhulme Trust through International Academic Fellowship [IAF-2017-010]
- Institut Universitaire de France
- Ministerio de Economia y competitividad [DPI2016-78887-C3-1-R]
- Unilever RD Vlaardingen
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.
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