EPJ Web of Conferences
Volume 25, 2012EFM11 – Experimental Fluid Mechanics 2011
|Number of page(s)||5|
|Section||Experimental Fluid Mechanics 2011|
|Published online||16 April 2012|
An experimental technique to measure the capillary waves in electrified microjets
Department of Mechanical, Energetic and Material Engineering, Extremadura University, Avda. de Elvas s/n, 06006 Badajoz, SPAIN
Backlight optical imaging is an experimental technique with an enormous potential in microﬂuidics to study very varied ﬂuid conﬁgurations and phenomena. In this paper, we show the capability of this technique to precisely characterize the capillary waves growing in electriﬁed microjets. For this purpose, images of electriﬁed liquid jets formed by electrospray were acquired and processed using a sub-pixel resolution technique. Our results reﬂect the validity and usefulness of optical imaging for this type of application.
© Owned by the authors, published by EDP Sciences, 2012
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