Monosized dripping mode of axisymmetric flow focusing

Francisco Cruz-Mazo, J. M. Montanero, and A. M. Gañán-Calvo
Phys. Rev. E 94, 053122 – Published 29 November 2016

Abstract

We identify and analyze the perfectly regular dripping mode of flow focusing. This mode occurs within narrow intervals of injected flow rates and applied pressure drops and leads to homogeneous-size droplets with diameters similar to or smaller than that of the discharge orifice. The balance between the local acceleration of the fluid particle and the applied pressure drop yields the scaling law for the droplet diameter. This scaling law is validated experimentally with excellent accord.

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  • Received 9 April 2016
  • Revised 14 June 2016

DOI:https://doi.org/10.1103/PhysRevE.94.053122

©2016 American Physical Society

Physics Subject Headings (PhySH)

Fluid Dynamics

Authors & Affiliations

Francisco Cruz-Mazo1,2, J. M. Montanero1, and A. M. Gañán-Calvo2

  • 1Departamento de Ingeniería Mecánica, Energética y de los Materiales and Instituto de Computación Científica Avanzada, Universidad de Extremadura, E-06006 Badajoz, Spain
  • 2Departamento de Ingeniería Aeroespacial y Mecánica de Fluidos, Universidad de Sevilla, E-41902 Sevilla, Spain

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Issue

Vol. 94, Iss. 5 — November 2016

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