Abstract
A numerical solution of the Boltzmann equation for the electron gas in the positive column of a DC discharge in nitrogen is presented. The Boltzmann equation was solved with the inclusion of the second kind (superelastic) collisions proceeding from the first six excited vibrational levels of molecular nitrogen. The vibrational level population is supposed to follow a Boltzmann distribution for a given vibrational temperatureT v, with a possible deviation of the ground level, which can be overpopulated in a given ratioγ. Apart from the electron distribution functions, which were gained for various values ofE/p 0,T v andγ, the values of some production frequencies and kinetic coefficients are presented in form of tables and plots. It is found that the electron distribution (and also the corresponding production rates) depends above a certain energy limit onT v andγ through the normalization constant only.
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Rohlena, K., Růžička, T. Influence of second kind collisions on the electron distribution function in the positive column of low pressure nitrogen discharge. Czech J Phys 29, 407–421 (1979). https://doi.org/10.1007/BF01596550
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DOI: https://doi.org/10.1007/BF01596550