Electric-field effects on interfaces: Electrospray and electrocoalescence

Won Tae Shin, Sotira Yiacoumi, Costas Tsouris

Research output: Contribution to journalReview articlepeer-review

20 Scopus citations

Abstract

Recent advances in the application of electric fields to interface modification, leading to drop breakup and coalescence in liquid-liquid dispersions or particle aggregation in solid-liquid suspensions, are reviewed in this article. Potential new applications based on electrospray and electrocoalescence of droplets are discussed. Both of these phenomena may occur under applied electric fields and may apply to drops, particles or bubbles. Several industrial applications take advantage of electric fields. Some of these applications are based on well-understood phenomena, such as normal electrospray of droplets (e.g., as in ink jet printing), while others are less understood (e.g., inverse electrospray). Recent developments of electric-field effects and applications, as well as expected future directions, are discussed.

Original languageEnglish
Pages (from-to)249-255
Number of pages7
JournalCurrent Opinion in Colloid and Interface Science
Volume9
Issue number3-4
DOIs
StatePublished - Nov 2004

Funding

Support for this work was provided by the Office of Basic Energy Sciences, Division of Chemical Sciences, U.S. Department of Energy, under contract DE-AC05-00OR22725 with UT-Battelle, LLC. The authors are also thankful to Dr. Marsha Savage for editing the manuscript.

FundersFunder number
Division of Chemical Sciences
U.S. Department of EnergyDE-AC05-00OR22725
Basic Energy Sciences

    Keywords

    • Electrocoalescence
    • Electrodistillation
    • Electroextraction
    • Electrohydrodynamics
    • Electromixing
    • Electrospray
    • Phase separation

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