Effects of geometric parameters and electric indexes on performance of a vertical wet electrostatic precipitator |
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| Institution: | 1. Lab for Simulation and Modelling of Particulate Systems, School of Materials Science and Engineering, University of New South Wales, Sydney NSW 2052, Australia;2. Experimental and Research Centre, Fujian Longking Co., Ltd., Longyan 364000, China;1. Department of Mechanical Engineering, The University of Washington, Seattle, WA 98195, USA;2. Department of Electrical Engineering, The University of Washington, Seattle, WA 98195, USA;3. Pacific Air Filtration Inc., Seattle, WA 98195, USA;1. Laboratoire de Génie Electrique, Université A. Mira de Béjaïa, 06000 Béjaïa, Algeria;2. Electrical Engineering Department, University of Setif_1, 19000, Algeria;1. Process Engineering, Stiftung Institut für Werkstofftechnik, Badgasteiner Strasse 3, 28359 Bremen, Germany;2. Particles and Process Engineering, University of Bremen, Bibliothekstrasse 1, 28359 Bremen, Germany |
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| Abstract: | A single-stage, single-wire vertical wet electrostatic precipitator was designed and operated in air–water droplets flow to investigate its performance. The efficiency was compared with a glass micro fiber filter and proposed semi-empirical efficiency model, which was in good accuracy while considering the vapor content. Effects of geometric parameters on efficiency under different charge conditions were discussed. Due to evaporation mechanism, the corona current decreases for high flow rates at the same applied voltage. Findings indicated while developing flow is created inside the ESP, there exists an optimum wire-to-flow inlet spacing that provides maximum droplet collection efficiency. |
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| Keywords: | Wet electrostatic precipitator Upward developing flow Water droplet Collection efficiency Geometric parameter Electric index |
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