Emission modes in electro co-flow

J. Guerrero, A. J. Hijano, M. A. Lobato, F. J. Higuera, I. G. Loscertales, A. Fernandez-Nieves

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

We apply an electric field to a moderately conducting liquid surrounded by another co-flowing liquid, all inside a glass-based microfluidic device, and study and classify the resulting emission modes. The viscosity and flow rate of the co-flowing liquid affect the number of modes observed in classical electrospray as well as their geometrical characteristics. In particular, we observe a two-dimensional whipping mode not described before. We also provide a qualitative description of some of the modes, including dripping, electrodripping, microdripping, the cone-jet mode, and both the two- and three-dimensional whipping modes.

Original languageEnglish (US)
Article number082009
JournalPhysics of Fluids
Volume31
Issue number8
DOIs
StatePublished - Aug 1 2019

ASJC Scopus subject areas

  • Computational Mechanics
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Fluid Flow and Transfer Processes

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