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Communication Dans Un Congrès Année : 2010

Effect of the Dielectric Barrier on the Collection Efficiency of Submicron Particles in a Wire to Square Glass Tube ESP

Résumé

The aim of the present work is to study the effect of the position of the Dielectric Barrier (DB) on the efficiency of Dielectric Barrier Discharges (DBDs) for the collection of submicron particles. The experiments were performed with incense smoke particles having a mean size of about 0.3 Cm. An aerosol spectrometer was employed for characterizing the size distribution of these particles at the outlet of Wire-to-square glass tube electrostatic precipitator (ESP). The collection efficiency was estimated for various applied voltages (8– 30 kV, 0.3 – 2000 Hz), and air flow rates of 10 L/min. Three configurations were studied. The G-ESP (DB on the Grounded electrode), A-ESP (DB on the Active electrode) and D-ESP (Double DBs). The discharge mode was diffuse, in the case of the G-ESP configuration, and has a filamentary behaviour, in the case of the A-ESP and DESP configurations. Results obtained with the aerosol spectrometer show that the particle collection efficiency of both reactors is higher at high applied voltage and low flow rate; it decreases at high frequency because of particle oscillations, and at low frequency due to the intermittent nature of the discharge.
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Dates et versions

hal-04495090 , version 1 (08-03-2024)

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  • HAL Id : hal-04495090 , version 1

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Rabah Gouri, Noureddine Zouzou, Amar Tilmatine, Eric Moreau, Lucian Dascalescu. Effect of the Dielectric Barrier on the Collection Efficiency of Submicron Particles in a Wire to Square Glass Tube ESP. 7e Conférence de la Société Française d’Electrostatique, SFE'2010, Société française d’électrostatique, Aug 2010, Montpellier, France. pp.377-381. ⟨hal-04495090⟩
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