Experimental Investigation of Corona Discharge in Wire-Cylinder Electrostatic Precipitators

Abstract:

This paper aims to analyze the behavior of DC corona discharge in wire-to-cylinder electrostatic precipitators. The principal operation of these types of electrostatic precipitators is based on the corona discharge on which their performance depends. In many industrial plants, particulate matter created in the industrial process is carried as dust in the hot exhaust gases. These dust-laden gases pass through an electrostatic filter. The aim of this investigation is to determine the important parameters of the corona discharge influenced by the applied voltage and bias voltage for three cylinders of different diameters. These parameters are done by using the Tassicker’s circular biased probe, which is incorporated at the same level of the surface in the precipitator electrode collector. Current-voltage curves are particularly analyzed. Experimental results show that discharge parameters are strongly affected by the applied voltage, biased voltage, and spacing between the high-voltage electrode and probe for both polarities.

• Periodical: Advanced Engineering Forum (Volume 59)
• Pages: 61-72
• DOI: https://doi.org/10.4028/p-n4tXUC
• Online since: June 2026
• Authors: Hamou Nouri*, Hakim Ait Said, Kaci Meziane
• Keywords: Corona Conductivity, Current-voltage characteristics, Electric Field, Electrostatic Precipitator, Space Charge Density, Tassicker’s Circular Biased Probe

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