Improving uniformity of atmospheric-pressure dielectric barrier discharges using dual frequency excitation

Y. Liu, F.J.J. Peeters, S.A. Starostin, M.C.M. van de Sanden, H.W. de Vries

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

9 Citaten (Scopus)

Samenvatting

This letter reports a novel approach to improve the uniformity of atmospheric-pressure dielectric barrier discharges using a dual-frequency excitation consisting of a low frequency (LF) at 200 kHz and a radio frequency (RF) at 13.56 MHz. It is shown that due to the periodic oscillation of the RF electric field, the electron acceleration and thus the gas ionization is temporally modulated, i.e. enhanced and suppressed during each RF cycle. As a result, the discharge development is slowed down with a lower amplitude and a longer duration of the LF discharge current. Hence, the RF electric field facilitates improved stability and uniformity simultaneously allowing a higher input power.

Originele taal-2Engels
Artikelnummer01LT01
Aantal pagina's6
TijdschriftPlasma Sources Science and Technology
Volume27
Nummer van het tijdschrift1
DOI's
StatusGepubliceerd - 1 jan 2018

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