Fluctuation of arc plasma in arc plasma torch with multiple cathodes
Zhang Zelong, Wang Cheng, Sun Qiang, Xia Weidong
       

Successive CCD images of the anode arc root at different gas flow rates: (a) 82.5 slm, (b) 75 slm, (c) 67.5 slm. Exposure time: 0.5 μ s , 10.000 frames/s.