Publication
Title
Fluid modelling of a packed bed dielectric barrier discharge plasma reactor
Author
Abstract
A packed bed dielectric barrier discharge plasma reactor is computationally studied with a fluid model. Two different complementary axisymmetric 2D geometries are used to mimic the intrinsic 3D problem. It is found that a packing enhances the electric field strength and electron temperature at the contact points of the dielectric material due to polarization of the beads by the applied potential. As a result, these contact points prove to be of direct importance to initiate the plasma. At low applied potential, the discharge stays at the contact points, and shows the properties of a Townsend discharge. When a high enough potential is applied, the plasma will be able to travel through the gaps in between the beads from wall to wall, forming a kind of glow discharge. Therefore, the inclusion of a so-called 'channel of voids' is indispensable in any type of packed bed modelling.
Language
English
Source (journal)
Plasma sources science and technology / Institute of Physics. - Bristol, 1992, currens
Publication
Bristol : Institute of Physics, 2016
ISSN
0963-0252
Volume/pages
25:1(2016), 11 p.
Article Reference
015002
ISI
000370974800009
Medium
E-only publicatie
Full text (Publisher's DOI)
Full text (open access)
Full text (publisher's version - intranet only)
UAntwerpen
Faculty/Department
Research group
[E?say:metaLocaldata.cgzprojectinf]
Physical chemistry of plasma-surface interaction (PSI).
Publication type
Subject
Affiliation
Publications with a UAntwerp address
External links
Web of Science
Record
Identification
Creation 23.12.2015
Last edited 19.11.2017
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