Analysis of the Characteristics on Dielectric Barrier Discharges Depending on the Relative Permittivity and Frequency

Abstract:

Various studies are being conducted on the application of DBD (Dielectric barrier discharges). The internal dielectric has a very important characteristic on DBD, thus we analyze of the characteristics on dielectric barrier discharges depending on the relative permittivity and frequency. Through simulation, the discharge voltage was calculated based on relative permittivity and frequency of real used dielectrics (Green sheet, Down dielectric, white dielectric). We investigate that increased relative permittivity and fast frequency occur the decrease of the firing voltage. Also, we investigate the frequency dependence of the dielectric constant and dielectric loss of dielectric layers measured at a frequency region of 100Hz to 10MHz. In a condition of drive within 1MHz, with regard to the change of real and imaginary part according to frequency, it has quite stable dielectric constant in the condition of drive within 1MHz.

• Periodical: Applied Mechanics and Materials (Volume 875)
• Pages: 113-116
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.875.113
• Online since: January 2018
• Authors: Don Kyu Lee*
• Keywords: Dielectric, Dielectric Barrier Discharges (DBD), Discharge Voltage, Frequency, Relative Permittivity (ε_r)

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