Abstract
The temperature profile of the supersonic jet from the nozzle of the high enthalpy combustion wind tunnel is measured by two-band emission method. Carbon dioxide is used as the doping material and two infrared emissions are recorded with thermo camera through the narrow band pass filters. The emission intensity profiles are converted to the temperature profile with the infrared emission database calculated by RADCAL program in advance. The obtained temperature profile was consistent with the expected profile and temperature range, and it is verified that this method is useful for capturing supersonic flow field.
