Ignition of polymeric material with single hot metallic and nonmetallic particles under diffusive-convective heat and mass transfer in an oxidizing medium

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A mathematical model of the gas-phase ignition of a typical polymeric material by a single hot particle of parallelepiped shape with consideration for the associated physicochemical processes (conductive heat transfer and thermal degradation in the condensed phase, diffusive-convective heat and mass transfer and oxidation in the gas phase) is developed. Based on numerical simulations, the dependence of the delay time of the ignition of the polymer, the main integrated characteristic of the process, on the initial temperature of the source of the limited energy capacity are determined. A number of modes of ignition differing in the location the leading oxidation reaction in the gas phase are identified.

Original languageEnglish
Pages (from-to)664-671
Number of pages8
JournalRussian Journal of Physical Chemistry B
Issue number5
Publication statusPublished - 1 Jan 2014



  • diffusive-convective heat and mass transfer
  • ignition
  • local energy source
  • modeling
  • polymeric material

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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