Experimental Study of Regularities in Suppression of Flame Combustion and Thermal Decomposition of Forest Combustible Materials Using Aerosols of Different Dispersiveness

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This paper presents results of experimental studies on the heat and mass transfer and phase transformations in suppression of thermal decomposition and flame combustion of a group of typical forest combustible materials (leaves and needles used as examples) due application of water aerosol and a group of droplets of a fixed total volume. The main attention is paid to the experimentally found effect of aerosol dispersiveness (via variation in the concentration and size of droplets) on the integral characteristics of the heat and mass transfer processes and phase transformations. The effective irrigation density, the minimum (necessary and sufficient) volume, and the respective specific water consumption for complete termination of destruction of forest combustible materials are calculated. Three most typical schemes of sprayed liquid interaction with the surface of forest combustible material under intensive pyrolysis are considered with the aim of establishing conditions for inhibition, localization, and complete cessation of the process of destruction of forest combustible materials. Dependencies illustrating how the properties and structure of layers of forest combustible materials affect the characteristics of these processes are established.

Original languageEnglish
Pages (from-to)43-55
Number of pages13
JournalJournal of Engineering Thermophysics
Issue number1
Publication statusPublished - 1 Jan 2019


ASJC Scopus subject areas

  • Environmental Engineering
  • Modelling and Simulation
  • Condensed Matter Physics
  • Energy Engineering and Power Technology

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