Evolution of magnetically rotating arc into large area arc plasma*
Wang Chenga), Li Wan-Wana), Zhang Xiao-Ninga), Zha Junb), Xia Wei-Donga)†
       
Images of DAP and corresponding cathodic arc roots with I = 250 A, B = 0.05 T, flow rate 4 Nm3/h, 0.5-μs shutter, and 5000 fps.