MATEC Web of Conferences
Volume 41, 20161st Mini Conference on Emerging Engineering Applications (MCEEA’15)
|Number of page(s)||4|
|Section||Fuel Cells Applications|
|Published online||01 February 2016|
uVALVIT: A tool for droplet mobility control and valving
School of Technological Applications, Technological Educational Institute of Sterea Ellada, Psahna, Evia, Greece, 34400
Active control of droplet mobility through low cost tools is highly desirable in applications entailing microfluidics, Lab-on-Chip devices and pertinent technologies. Here, we present the design concepts of a versatile, low cost tool for dynamic droplet mobility manipulation, employing a scheme with backpressure application. Initially sticky open- or closed- channel fluidics with hydrophobic, porous walls are rendered slippery with the application of backpressure through the porous walls. Deliberate control of backpressure directs the wetting phenomena to the desired state. Operation parameters, and control system considerations are presented. Ultra-low backpressure values, are needed for channels with small cross-sections, which in turn are compatible with ultra-low energy demands.
© Owned by the authors, published by EDP Sciences, 2016
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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