Plasma Wind Tunnel Investigation of European Ablators in Nitrogen/Methane Using Emission Spectroscopy

Table 4

Density quotients N₂/N₂⁺/C₂ for PARADE simulations of C₂ at 0.3 MW/m² at 3 mm axial distance to probe surface.

Density I	4000/90/2	1.2 s–5.9 s
Density II	4000/90/1	4.7 s–7.1 s
Density III	4000/90/0.8	7.1 s–9.5 s