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Dielectric barrier discharge (DBD) at atmospheric pressure are easily to get homogenous in helium and neon, but always un-uniform in other inert gases. In order to have a deep understanding of the mechanism of DBD in inert gases at atmospheric pressure, Comparative study of the discharge mode, evolution of the homogenous DBD and spectra in a parallel gap were carried out by means of electrical measurements,...
Summary form only given. Dielectric barrier discharge (DBD) of helium at atmospheric pressure was experimentally investigated. Two parallel-plane electrodes are 50 mm in diameter and each was covered by a quartz plate that is 120mm x 120 mm in size and 1 mm in thickness. In order not only to make optical diagnostics side-on, but also end-on, one electrode was made from ITO (indium tin oxide) film...
Summary form only given. Dielectric barrier discharge (DBD) of helium at atmospheric pressure was experimentally investigated. The discharge device was powered by a high voltage AC source with a frequency varying from 20 kHz to 50 kHz. Two parallel-plane electrodes are 50 mm in diameter. One electrode was made from aluminium and the other from ITO (indium tin oxide) film that is transparent for taking...
Summary form only given. Experiments of DBD in a 2-mm air gap were performed. When fine wire mesh electrodes covered with 0.1 mm PET film and 50 Hz AC power source were used, the breakdown voltage of the gap is 6.4 kV, about 1.3 W lower than that using plate electrodes covered with 1 mm quartz plate. The discharge using the mesh electrodes covered by PET film looks more uniform than that using plate...
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