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In this paper, we study the discharge modes of pulsed dielectric barrier discharge (DBD) in atmospheric nitrogen by means of a 1-D self-consistent fluid model. The results show that different from the atmospheric nitrogen discharges driven by sinusoidal voltages, which usually operate in Townsend discharge mode, the pulsed atmospheric nitrogen discharges can be generated in glow mode over a wide parameter...
With the advantages of nonvacuum plasma operation, low gas temperature, mild discharge, high yield of active species, etc., atmospheric-pressure DBDs have shown immense potentials for numerous applications. As a spatially extended dissipated system, atmospheric-pressure DBDs with a large number of freedom degrees possess rich and complex temporal nonlinear behaviors including period doubling bifurcation,...
Many experimental and theoretical studies show that the shape of excitation voltage waveform is a crucial factor in generating uniform atmospheric-pressure plasmas1–4. In this paper, we compare the characteristic of pulsed and sinusoidal dielectric-barrier discharges (DBDs) in atmospheric N2 by numerical simulations based on a one-dimensional fluid model. The results show that, different from the...
Summary form only given. An easily-run plasma generator is presented to generate a novel kind of atmospheric cold plasma millimeter jet. The jet is achieved in several kinds of gases at atmosphere pressure, such as Ar, He and N2, in a capillary quartz dielectric barrier discharge (DBD) system powered by a sinuous power source with frequency of 33 kHz. There are two different discharge regions in the...
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