Simulation of a Corona Discharge in a Wire-Duct Electrostatic Precipitator

Abstract

Electrostatic precipitators depend mainly in their performance on Corona's discharge operations to remove air portable dust particles. The stable negative DC corona discharge in atmospheric air under a wire-to-plate system is studied in this paper. Charge conservation and poisson equations were used to compute the electric field and charge density distributions. A detailed measurement of the charge density and electric field distributions are essential to understand particle behavior and flow dynamics inside in the negative wire-to-duct electrostatic precipitator. Typical efficiency of ESP as a function of geometrical and operation factors. In this paper, ESP designed and simulated using COMSOL Multiphysics® 5.5.