Inductively Heated Air Plasma Flow Characterization with Laser-Induced Fluorescence Measurements

摘要

Laser-induced fluorescence measurements have been performed for the first time at inductively heated air plasma flows. From the measured signals translational temperatures have been deduced. The maximum temperature for a reference condition on the jet axis with a distance of 140 mm from the generator exit is T = 2963 ± 444 K. The results presented here show the principle feasibility of L1F measurements in air plasma flows that are inductively heated. Furthermore, the estimation of the local specific enthalpy from the deduced temperature shows that the air plasma reaches an enthalpy of h = 13.02 MJ/kg.