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

Table 3

Rotational and vibrational temperatures obtained using PARADE for C₂ at 1.4 MW/m² at 3 mm and 5 mm axial distance to probe surface.

Distance to probe; surface	C2 rotational; temperatures/K	C2 vibrational; temperatures/K
3 mm	5000–6500	6000–7000
5 mm	5000–6500	5000–6500