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http://dx.doi.org/10.5207/JIEIE.2003.17.4.074

Characteristics of ionic Wind in a DC Corona Discharge in Needle-to-punched plate Geometry  

Lee, Bok-Hee (인하대학교 전자전기공학부)
Kil, Hyeong-Joon (한국전기안전공사, 인하대학교 대학원 전기공학과)
Eom, Ju-Hong (인하대학교 대학원 전기공학과)
Ahn, Chang-Hwan (한국전력)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.17, no.4, 2003 , pp. 74-80 More about this Journal
Abstract
Ionic wind is produced by a corona discharge when a DC high voltage is applied across the point-to-plane gap geometry. The corona discharge phenomena have been investigated in several beneficial application fields such as electrostatic cooling, ozone generation, electrostatic precipitation and electrostatic spraying. Recently ionic wind might be used in aerodynamic, for example, heat transfer, airflow modification, and etc. In this work, in order to analyze the control behavior of the velocity and amount of ionic wind produced by the positive DC corona discharges. The ionic wind velocity was measured as a function of the applied voltage, diameter of the punched hole on plate electrode and separation between the point-to-plate electrodes. As a results, the airflow is generated from the tip of needle to the plate electrode in the needle-to-punched-plate electrode systems. The ionic wind velocity is linearly increased with an increase in applied voltage and ranges from 1 to 3 m/sec at the locations of 100-200 mm from the punched-plate.
Keywords
Ionic wind; Corona discharge; Aerodynamic system; Airflow modification;
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