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This paper deals with the numerical simulation of the constricted high-current vacuum arc (>15 kA), driven by a transverse magnetic field (TMF). The magnetohydrodynamic approach, radiative transfer in P1 approximations, together with the detailed heat transfer and evaporation equations for the electrodes, is used to describe the arc behavior self-consistently in 2D geometry. A model developed describes...
This paper presents the results of simulations using a model that describes constricted high current (>15 kA) vacuum arcs driven by a transverse magnetic field in a 2D configuration (parallel rail electrodes). The simulations investigate the influence of the electrode gap distance on the arc motion. It is found that faster arc velocities are obtained for larger gaps. For large gaps (ges5 mm), the...
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