Polymeric Ablation Induced by Free Burning Arcs in Air
Keywords:free burning arcs, low voltage switchgear, plasma properties, polymeric ablation, thermo-plastics
AbstractWe investigate the influence of switching arcs on different polymers and their interaction. We describe a set of experiments on a simplified model geometry typical for low voltage switchgear. In a broad range of experimental conditions and parameters such as arc current, polymeric material or contact material, the voltage, the mass loss and the corresponding pressure build-up are examined. From this raw data, we deduce the arc influence on the ablation process as well as the feedback on some arc plasma properties.
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