Suppression Characteristics of Flaming Combustion and Thermal Decomposition of Forest Fuels

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Abstract: An approach to the mathematical modeling of the suppression of thermal decomposition and flaming combustion of forest fuels (FFs) is proposed which differs from the well-known approaches in that the pyrolyzed FF layer is represented as a heterogeneous structure with high porosity and the thermophysical characteristics of this layer are described using additive mathematical models of thermal conductivity, heat capacity, and density. Experimental studies of the main thermophysical characteristics (thermal conductivity, heat capacity, and thermal diffusivity) of typical FFs were performed. Mathematical modeling of heat- and mass-transfer processes under the above conditions was performed, and the suppression characteristics of the destruction reaction of a typical FF were determined using the values of thermophysical characteristics established in the experiments. The ranges of the integral characteristics of FF flame suppression with varying thermophysical characteristics of FFs within permissible limits were identified.

Original languageEnglish
Pages (from-to)163-171
Number of pages9
JournalCombustion, Explosion and Shock Waves
Issue number2
Publication statusPublished - 1 Mar 2020


  • flaming combustion
  • forest combustible material
  • porosity
  • suppression
  • thermal decomposition
  • thermophysical properties

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Fuel Technology
  • Energy Engineering and Power Technology
  • Physics and Astronomy(all)

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