Russian Journal of Physical Chemistry B

, Volume 10, Issue 5, pp 748–752 | Cite as

Chemical kinetic model of the chain reaction of atmospheric nitrogen oxidation initiated by electric discharge

  • V. G. Fedotov
  • E. Ya. Fedotova
Kinetics and Mechanism of Chemical Reactions. Catalysis


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.


electric discharge chain reaction NO oxidation atmospheric nitrogen oxidation explosion in air О atoms electronically excited molecules NO* NO2chemical kinetic model kinetic equations quasistationary concentrations method 


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© Pleiades Publishing, Ltd. 2016

Authors and Affiliations

  1. 1.Semenov Institute of Chemical PhysicsRussian Academy of SciencesMoscowRussia

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