AC Electric Fields Drive Steady Flows in Flames
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Author
Drews, Aaron M.
Cademartiri, Ludovico
Bishop, Kyle J. M.
Published Version
https://doi.org/10.1103/physreve.86.036314Metadata
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Drews, Aaron M., Ludovico Cademartiri, Michael L. Chemama, Michael P. Brenner, George M. Whitesides, and Kyle J. M. Bishop. 2012. AC Electric Fields Drive Steady Flows in Flames. Physical Review E 86, no. 3: 036314.Abstract
We show that time-oscillating electric fields applied to plasmas present in flames create steady flows of gas. Ions generated within the flame move in the field and migrate a distance δ before recombining; the net flow of ions away from the flame creates a time-averaged force that drives the steady flows observed experimentally. A quantitative model describes the response of the flame and reveals how δ decreases as the frequency of the applied field increases. Interestingly, above a critical frequency, ac fields can be used to manipulate flames at a distance without the need for proximal electrodes.Other Sources
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