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Viscous Effects on Inertial Drop Formation

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

Physical review letters, 2018-12, Vol.121 (25), p.254501-254501, Article 254501 [Periódico revisado por pares]

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Título:
Viscous Effects on Inertial Drop Formation
Autor: Deblais, A ; Herrada, M A ; Hauner, I ; Velikov, K P ; van Roon, T ; Kellay, H ; Eggers, J ; Bonn, D
Assuntos: Breakup ; Fluid mechanics ; Mechanics ; Physics ; Surface tension ; Viscosity
É parte de: Physical review letters, 2018-12, Vol.121 (25), p.254501-254501, Article 254501
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: 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.
Editor: United States: American Physical Society
Idioma: Inglês

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