A two-dimensional model of He/O2 atmospheric pressure plasma needle discharge
Qian Mu-Yang†a), Yang Cong-Yinga), Chen Xiao-Changa), Liu San-Qiua), Yan Wenb), Liu Fu-Chengc), Wang De-Zhenb)
       
Density distributions of (a) O, (b) O (1d), and (c) at z = 0.5 mm position, (d) radial distributions of O2 and the sum of helium metastables at z = 0.5 mm.