Abstract
In the spectra of high-pressure discharges excited in molecular gases, very intensive molecular spectral bands may usually be observed. We may determine the rotational and vibrational temperatures without difficulty, however, the rotational and vibrational temperatures (T r, Tv) do not offen equal to the temperature of neutral gas (T 0) or to that of electrons (T e). If the collision cross sections of electronic, atomic, and molecular excitation (deexcitation) are known, we may then calculate the dependence of the rotational and vibrational temperatures onT e,T 0,N e and the pressure of the gas. The calculations have been performed for pure N2 and for an Ar-N2 mixture at atmospheric pressure. The computed graphs make it possible to determine some of the values 4T e,T 0,N e if the temperaturesT r andT v are known.
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The author wishes to extend his thanks to Prof. V. Truneček for valuable comments and to Mr. A. StruŽka for the preparation of the diagrams.
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Janča, J. Utilization of rotational and vibrational temperatures for plasma diagnostics of high-pressure discharges. Czech J Phys 20, 341–350 (1970). https://doi.org/10.1007/BF01690908
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DOI: https://doi.org/10.1007/BF01690908