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The electromagnetic radiation signal from dielectric barrier discharge in air at atmospheric pressure has been processed to investigate the electron density during the afterglow period. Experimental results show that many short-lived discharge filaments appear on the electrode of the surface discharge generator in air at atmospheric pressure. The number of the discharge filaments increases with increasing...
For sterilization of surface, dielectric barrier discharge (DBD) is effective, however, electrode gap should be less than 2 mm to perform efficient sterilization. With wider electrode gap, density of streamers in DBD decreases and the surface is not fully exposed to streamers. This could be a reason for decreased efficiency of sterilization. For practical application of DBD in surface- sterilization,...
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