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Please use this identifier to cite or link to this item: https://dspace.lboro.ac.uk/2134/22785

Title: EHD-driven mass transport enhancement in surface dielectric barrier discharges
Authors: Taglioli, Matteo
Shaw, Alexander
Wright, Alexander
Fitzpatrick, Benjamin
Neretti, Gabriele
Seri, Paolo
Borghi, Carlo A.
Iza, Felipe
Issue Date: 2016
Publisher: IOP Publishing
Citation: TAGLIOLI, M. ... et al, 2016. EHD-driven mass transport enhancement in surface dielectric barrier discharges. Plasma Sources Science and Technology, [in press]
Abstract: Surface Dielectric Barrier Discharges (S-DBDs) have received renewed attention in recent years for their potential application in emerging biomedical, environmental and agricultural applications. In most of these applications, the plasma is not in direct contact with the substrate being treated and the transport of reactive species from the plasma to the substrate is typically assumed to be controlled by diffusion. Here, we demonstrate that generally this is not the case and that electrohydrodynamic (EHD) forces can produce jets that enhance the delivery of these species, thereby influencing the efficacy of the S-DBD device. In particular, we have studied the degradation of potassium indigotrisulfonate solutions exposed to S-DBDs generated in devices with annular electrodes of diameters varying between 10mm and 50mm. All the devices were driven at constant linear power density (Watts per cm of plasma length) and although local plasma properties remained the same in all the devices, a three-fold efficacy enhancement was observed for devices of diameter ~30mm due to EHD effects.
Description: This paper is embargoed until 12 months after publication.
Version: Closed access
URI: https://dspace.lboro.ac.uk/2134/22785
Publisher Link: http://iopscience.iop.org/journal/0963-0252
ISSN: 0963-0252
Appears in Collections:Closed Access (Mechanical, Electrical and Manufacturing Engineering)

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