Two-dimensional numerical study of an atmospheric pressure helium plasma jet with dual-power electrode
*
Yan Wen
a)
, Liu Fu-Cheng
b)
, Sang Chao-Feng
a)
, Wang De-Zhen
a)†
Axial profiles of the electric field at several time moments for different needle radii, (a) 3 mm, (b) 5 mm, and (c) 8 mm.