The influence of the discharge parameters on the plasma spatial structuring in argon DBDs |
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Authors: | I A Shkurenkov Yu A Mankelevich T V Rakhimova |
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Institution: | 1.Skobeltsyn Institute of Nuclear Physics,Lomonosov’s Moscow State University,Moscow,Russia |
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Abstract: | The plasma parameters, discharge plasma uniformity and filamentation processes in high pressure (near atmospheric pressure)
dielectric barrier discharges (DBD) in argon are studied using the developed two-dimensional 2D(r, z) model. The applied voltage frequency, the voltage shape, the dielectric layers material and its thickness are varied and
the effects of such variations on plasma uniformity, discharge structure and operation are studied. The DBD discharges with
different dielectric layers thickness, dielectric constants and secondary electron emission coefficients are simulated. It
was shown that the dielectric layer thickness is an important parameter for producing high pressure discharges uniform over
the radius. The possibility of the radially uniform discharges at atmospheric pressure was shown in the present study. |
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