This paper presents experimental data characterizing surface dielectric barrier discharge morphology and dynamics of electric charge transfer over a dielectric surface in atmospheric air using the single polarity and alternating-polarity of the supplied voltage. The experiments were performed using microsecond-scale bursts of high-voltage pulses. Diagnostics included electrical measurements, synchronized gate camera imaging, optical emission spectroscopy, and a set of original charge sensors. Two basic modes were analyzed: diffusive and filamentary, appearing in the result of the discharge contraction. In a single-polarity discharge, the surface charge accumulation limits energy coupled to the plasma by subsequent pulses, whereas the alternating-polarity pulsing, accompanied by the constricted form of plasma, leads to a significant extension in the charged surface area and an increase in power deposition.


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    Title :

    Charge Transfer in Constricted Form of Surface Barrier Discharge at Atmospheric Pressure


    Contributors:

    Published in:

    Publication date :

    2017-01-01




    Type of media :

    Conference paper , Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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