Russian Journal of Physical Chemistry A

, Volume 92, Issue 5, pp 847–852 | Cite as

Determining Role of the Chain Mechanism in the Temperature Dependence of the Gas-Phase Rate of Combustion Reactions

  • V. V. Azatyan
  • I. A. Bolod’yan
  • N. P. Kopylov
  • S. N. Kopylov
  • V. M. Prokopenko
  • Yu. N. Shebeko
Chemical Kinetics and Catalysis


It is shown that the strong dependence of the rate of gas-phase combustion reactions on temperature is determined by the high values of the reaction rate constants of free atoms and radicals. It is established that with a branched chain mechanism, a special role in the reaction rate temperature dependence is played by positive feedback between the concentrations of active intermediate species and the rate of their change. The role of the chemical mechanism in the temperature dependence of the process rate with and without inhibitors is considered.


reaction rate gas-phase combustion inhibitors 


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Copyright information

© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  • V. V. Azatyan
    • 1
  • I. A. Bolod’yan
    • 2
  • N. P. Kopylov
    • 2
  • S. N. Kopylov
    • 2
  • V. M. Prokopenko
    • 1
  • Yu. N. Shebeko
    • 2
  1. 1.Institute of Structural Macrokinetics and Materials ScienceRussian Academy of SciencesChernogolovka, Moscow oblastRussia
  2. 2.National Research Institute for Fire ProtectionRF Ministry of EmergenciesBalashikha, Moscow oblastRussia

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