Mathematical Modeling of Heat and Mass Transfer Processes with Chemical Reaction at Polymeric Material Ignition by Several Small-Size Hot Particles

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Abstract

Numerical research of interconnected heat and mass transfer processes in the "two hot particles - polymeric material - air" system was executed. The joint effect of several local heat sources on the main integrated characteristic of ignition process (ignition delay time) was established. Two ignition models characterized by the relative positioning of hot particles on a polymeric material surface were revealed. Besides, there were established characteristics of local heat sources and the distance between them (700 K<T<inf>p</inf><1150 K and L>1.5 or T<inf>p</inf>>1150 K and 0.25<L<1.5) when regularities of heat and mass transfer processes in the "two hot particles - polymeric material - air" system are similar to regularities of heat and mass transfer processes in the "single hot particle - polymeric material - air" system.

Original languageEnglish
Article number614143
JournalMathematical Problems in Engineering
Volume2015
DOIs
Publication statusPublished - 2015

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Heat and Mass Transfer
Ignition
Chemical Reaction
Mathematical Modeling
Chemical reactions
Mass transfer
Heat transfer
Heat Source
Polymers
Air
Regularity
Delay Time
Positioning
Time delay
Hot Temperature
Model

ASJC Scopus subject areas

  • Mathematics(all)
  • Engineering(all)

Cite this

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abstract = "Numerical research of interconnected heat and mass transfer processes in the {"}two hot particles - polymeric material - air{"} system was executed. The joint effect of several local heat sources on the main integrated characteristic of ignition process (ignition delay time) was established. Two ignition models characterized by the relative positioning of hot particles on a polymeric material surface were revealed. Besides, there were established characteristics of local heat sources and the distance between them (700 K<Tp<1150 K and L>1.5 or Tp>1150 K and 0.25<L<1.5) when regularities of heat and mass transfer processes in the {"}two hot particles - polymeric material - air{"} system are similar to regularities of heat and mass transfer processes in the {"}single hot particle - polymeric material - air{"} system.",
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AB - Numerical research of interconnected heat and mass transfer processes in the "two hot particles - polymeric material - air" system was executed. The joint effect of several local heat sources on the main integrated characteristic of ignition process (ignition delay time) was established. Two ignition models characterized by the relative positioning of hot particles on a polymeric material surface were revealed. Besides, there were established characteristics of local heat sources and the distance between them (700 K<Tp<1150 K and L>1.5 or Tp>1150 K and 0.25<L<1.5) when regularities of heat and mass transfer processes in the "two hot particles - polymeric material - air" system are similar to regularities of heat and mass transfer processes in the "single hot particle - polymeric material - air" system.

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