Abstract
The arc discharge in magnetic field is one of the promising methods to intensify the kinematic transport in various systems. In this work, a detailed study of the flow arising in ambient air during the movement of a pulsed arc in external magnetic field was done. The study was performed using PIV and shadow flow visualization in parallel with the numerical modeling in a 2D MHD approach. The flow evolution during the electric current pulse was analyzed based on the vorticity generation equation. The flow relaxation after the current termination is considered, indicating a significant reduction of the gas velocity after the current termination due to rarefaction waves propagation. The typical flow structure remaining after the MHD interaction is a toroidal vortex with velocity magnitude up to 0.4 of the maximum arc movement velocity during the pulse.
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