Abstract
This paper is devoted to analyzing the creation and destruction of electrons at early stages of electric-discharge development in air at altitudes of 0–90 km. The processes of ionization in an external electric field and background ionization, electron attachment and detachment from atomic and molecular oxygen, negative-ion charge exchange and conversion are considered. The pressure and temperature dependences of the rate constants for the processes have been taken into account. The electric field strength at which effective air ionization begins is shown to decrease with increasing altitude. Numerical simulations based on a detailed plasma-chemical model with allowance made for the gas heating by a discharge have been performed.
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Original Russian Text © N.V. Ardelyan, V.L. Bychkov, S.A. Volkov, K.V. Kosmachevskii, I.V. Kochetov, 2015, published in Khimicheskaya Fizika, 2015, Vol. 34, No. 10, pp. 63–75.
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Ardelyan, N.V., Bychkov, V.L., Volkov, S.A. et al. Prebreakdown air ionization in the atmosphere. Russ. J. Phys. Chem. B 9, 807–818 (2015). https://doi.org/10.1134/S1990793115050152
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DOI: https://doi.org/10.1134/S1990793115050152