Enhancement of submicron particle electrostatic precipitation using dielectric barrier discharge in wire-to-square tube configuration |
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Authors: | R Gouri N Zouzou A Tilmatine L Dascalescu |
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Institution: | 1. Department of Electrical Engineering, University of Bechar, BP 417, 08000 Bechar, Algeria;2. Pprime Institute, CNRS, University of Poitiers, ENSMA, 86962 Futuroscope, France;3. APELEC Laboratory, Djillali Liabes University, 22000 Sidi-Bel-Abbes, Algeria |
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Abstract: | The aim of the present parametric study is to enhance the performances of a wire-to-square tube electrostatic precipitator (ESP) for the collection of submicrometer particles using dielectric barrier discharge (DBD). The input parameters under study are: the high voltage waveform, the wire electrode diameter, the collection electrode dimensions (width, discretization and number of collection sides) and the tube cross-section. The electrical measurements show that the discharge mode of the ESP is rather homogeneous. The particle collection efficiency as determined from aerosol spectroscopy measurements is higher at high applied voltage and within a certain frequency range. The parametric study of the ESP points out that using thicker wire electrodes as well as collection electrodes with different number of sides does not deteriorate the ESP performance. However, the penetration decreases with larger or discretized collection electrodes and larger tube cross-sections. |
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