Atmospheric Argon Free burning Arcs with a Simplified Unified Model Using CFD-Arc Modeling
Keywords:free burning arcs, thermal plasmas, arc modeling, arc-electrode interaction, computational fluid dynamics.
AbstractFree burning arcs, where the work piece acts as an anode, are frequently used for a number of applications. Our investigation is exclusively concerned with a simplified unified model of arcs and their electrodes under steady state conditions at atmospheric pressure. The model is used to make predictions of arc and electrode temperatures and arc voltage for a 200 A arc in argon. The computed temperatures along the axis between the cathode tip and the anode surface compare well the measured data.
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