Electrohydrodynamics of drops and vesicles

Research output: Contribution to journalReview article

5 Citations (Scopus)

Abstract

The 1969 review by J.R. Melcher and G.I. Taylor defined the field of electrohydrodynamics. Fifty years on, the interaction of weakly conducting (leaky dielectric) fluids with electric fields continues to yield intriguing phenomena. The prototypical system of a drop in a uniform electric field has revealed remarkable dynamics in strong electric fields such as symmetry-breaking instabilities (e.g., Quincke rotation) and streaming from the drop equator. This review summarizes recent experimental and theoretical studies in the area of fluid particles (drop and vesicles) in electric fields, with a focus on the transient dynamics and extreme deformations. A theoretical framework to treat the time evolution of nearly spherical shapes is provided. The model has been successful in describing the dynamics of vesicles (closed lipid membranes) in an electric field, highlighting the broader range of applicability of the leaky dielectric approach.

Original languageEnglish (US)
Pages (from-to)305-330
Number of pages26
JournalAnnual Review of Fluid Mechanics
Volume51
DOIs
StatePublished - Jan 5 2019

Fingerprint

electrohydrodynamics
electric fields
fluids
equators
lipids
broken symmetry
membranes
conduction
interactions

Keywords

  • Quincke
  • Stokes flow
  • electrohydrodynamics
  • electroporation
  • electrorheology
  • electrorotation
  • instability
  • streaming

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

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abstract = "The 1969 review by J.R. Melcher and G.I. Taylor defined the field of electrohydrodynamics. Fifty years on, the interaction of weakly conducting (leaky dielectric) fluids with electric fields continues to yield intriguing phenomena. The prototypical system of a drop in a uniform electric field has revealed remarkable dynamics in strong electric fields such as symmetry-breaking instabilities (e.g., Quincke rotation) and streaming from the drop equator. This review summarizes recent experimental and theoretical studies in the area of fluid particles (drop and vesicles) in electric fields, with a focus on the transient dynamics and extreme deformations. A theoretical framework to treat the time evolution of nearly spherical shapes is provided. The model has been successful in describing the dynamics of vesicles (closed lipid membranes) in an electric field, highlighting the broader range of applicability of the leaky dielectric approach.",
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Electrohydrodynamics of drops and vesicles. / Vlahovska, Petia.

In: Annual Review of Fluid Mechanics, Vol. 51, 05.01.2019, p. 305-330.

Research output: Contribution to journalReview article

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