Figure 4
From: Trichel pulse in various gases and the key factor for its formation

DC component and amplitude as a function of the mean current of negative corona in (a) pure Ar, (b) pure N2 and (c) air at 30 kPa.
From: Trichel pulse in various gases and the key factor for its formation

DC component and amplitude as a function of the mean current of negative corona in (a) pure Ar, (b) pure N2 and (c) air at 30 kPa.