Characterization of two electrode systems for corona-charging of non-woven filter media |
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| Authors: | Marius-Cristian Plopeanu Lucian Dascalescu Bogdan Neagoe Abdelber Bendaoud Petru V. Notingher |
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| Affiliation: | 1. PPRIME Institute, UPR 3346, CNRS, University of Poitiers, ENSMA, IUT, 4 avenue de Varsovie, 16021 Angoulême Cedex, France;2. POLITEHNICA University, 313 Splaiul Independentei, 060042 Bucharest, Romania;3. Université Djillali Liabes, BP 89, 22000 Sidi Bel Abbes, Algeria |
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| Abstract: | The aim of this paper is to provide a better understanding of the corona-charging process of non-woven electret filters for automotive and medical applications. The experiments were performed on polypropylene samples: 500-μm-thick non-woven fabrics (fiber diameter: 24 μm), laid on a grounded plate electrode and subjected to positive or negative corona generated either by a dual wire–cylinder electrode or by a triode-type electrode set. The paper reports the results of current–voltage characteristics measurements, as well as the repartition of the current density at the surface of the grounded electrode. |
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