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Flow optimization of electrostatic precipitator using non uniform porosity distribution screen


Author : Sunil J. Kabadi and Manoj D. Hambarde

Pages : 68-74, DOI:http://Dx.Doi.Org/10.14741/Ijcet/22774106/spl.5.6.2016.12
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Abstract

Electrostatic precipitator (ESP) require uniform flow distribution to achieve better collection efficiency. Perforated plates are widely used as distributing member in fluid flow control. For better flow distribution three perforated plates are used. Flow pattern inside the collection zone is strongly affected by diffuser angle, porosity, and location within the diffuser. The present investigation aims at simulation of flow behaviour within electrostatic precipitator and finding standard porosity pattern for various ESP’s for avoiding flow separation and achieving high degree of flow uniformity. Computational fluid dynamics (CFD) modelling of gas flow is becoming a valuable tool in designing, testing, and comparing different solutions. In present study flow pattern of 23 geometries of ESP’s are simulated and they are divided in to six groups according to inlet opening ratio and standard porosity pattern is find out for each group .

Keywords: electrostatic precipitator, computational fluid dynamics, flow pattern, porosity.

 

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