Abstract
To develop an adequate mathematical description of explosion in air observed under the specific conditions of electric discharge initiation, we considered a chemical kinetic model of interaction between two chain reactions: NO oxidation, which provides high concentration of О atoms required for obtaining nitrogen oxide in the processes O + N2(A 3Σ u +) → O(1 S) and O(1 S)–N2 + O → NO + NO(B 2Π) and nitrogen oxidation, which leads to electronically excited NO2* molecules required for the formation of О atoms in the oxidation of NO. This positive feedback leads to an avalanche-like increase in the concentration of О atoms and the rate of both chain reactions, i.e., causes an explosion in air initiated by electric discharge.
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Original Russian Text © V.G. Fedotov, E.Ya. Fedotova, 2016, published in Khimicheskaya Fizika, 2016, Vol. 35, No. 10, pp. 3–8.
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Fedotov, V.G., Fedotova, E.Y. Chemical kinetic model of the chain reaction of atmospheric nitrogen oxidation initiated by electric discharge. Russ. J. Phys. Chem. B 10, 748–752 (2016). https://doi.org/10.1134/S1990793116050183
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DOI: https://doi.org/10.1134/S1990793116050183