Features of the plasma jet formation by the glow discharge in an air flow in the system of electrodes of a low-current coaxial plasmatron are considered at an average discharge current of 100 mA and a mass air flow of 0.1 g/s. The peculiarity of experimental conditions is the positive polarity of the internal (potential) electrode of the plasmatron. Features of the discharge maintenance in the plasmatron are investigated. The technique of plasma jet diagnostics by measuring the gas temperature and the charged particle current on the special diagnostic electrode placed inside the jet is proposed. Based on the data obtained, the characteristic features of current transfer inside the jet have been obtained. The charged particle concentration inside the jet is estimated for the proposed model of current transfer.
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Landl, N.V., Nekhoroshev, V.O., Korolev, Y.D. et al. Study of the Plasma Jet Formed by the Glow Discharge in an Air Flow at the Positive Polarity of the Potential Electrode of a Low-Current Coaxial Plasmatron. Russ Phys J 66, 792–799 (2023). https://doi.org/10.1007/s11182-023-03007-x
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DOI: https://doi.org/10.1007/s11182-023-03007-x