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This paper presents the influence of arc current modulation in plasma torch on jet oscillations. The effect of interaction of various types of fluctuations on plasma fluctuations was studied on plasma torch with electric arc stabilized by combination of gas flow with water vortex. Oscillations of plasma jet radiation were recorded using a linear array of high frequency photodiodes. Spectra of oscillations,...
This paper presents a numerical simulation of temperature and flow fields in the discharge and near outlet regions of the hybrid argon-water-stabilized electric arc. The calculations for an argon mass flow rate of 0.450 g ldr s-1 reveal the transition from a transonic plasma flow for 400 A to a supersonic one for 600 A with the maximum Mach number of 1.57. The comparison with available experimental...
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