Electrohydrostatics of a conductive liquid meniscus

J. F. Calero, J. C. Chato, P. T. Krein, J. M. Crowley, G. S. Wright

Research output: Contribution to journalConference articlepeer-review

Abstract

Electric fields offer a convenient way to manipulate liquid surfaces. The electrical forces produced are perpendicular to the surface of a conducting liquid, but, unlike pressure, they act only on the surface itself. The opposing force is surface tension. Self-consistent solutions for the shapes of axisymmetric menisci in electric fields are derived for conductive liquids with constant surface tension. In a uniform field, the shapes which result are rounded cones. A dimensionless quantity that depends on the radius of the hole surrounding the meniscus and the surface tension is shown to be a key parameter in the models.

Original languageEnglish (US)
Pages (from-to)1547-1551
Number of pages5
JournalConference Record - IAS Annual Meeting (IEEE Industry Applications Society)
Volume35 n 6
StatePublished - Dec 1 1988

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

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