Electrohydrodynamics of thin flowing films

Evan M. Griffing*, S. George Bankoff, Michael J Miksis, Robert A. Schluter

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

26 Scopus citations

Abstract

Thin films of oil flowing down a nearly-vertical plate were subjected to a strong normal electrostatic field. Steady-state height profiles were measured by fluorescence imaging. For electrode potentials less than that required to produce an instability, the two-dimensional response of the interface was <1%. Calculations of the fluid height coupled with the electric field solution were identical to uncoupled calculations for electric fields below the stability threshold. Pressure profiles under the film and three-dimensional effects are also discussed.

Original languageEnglish (US)
Pages (from-to)276-283
Number of pages8
JournalJournal of Fluids Engineering, Transactions of the ASME
Volume128
Issue number2
DOIs
StatePublished - Mar 1 2006

ASJC Scopus subject areas

  • Mechanical Engineering

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