Influence of droplet distribution in a "water slug" on the temperature and concentration of combustion products in its wake

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Abstract

A numerical study has been made of the influence of the droplet distribution in a "water slug" on the integral characteristics of heat and mass transfer (temperature and concentration of the gases in its wake) in motion through high-temperature combustion products of typical combustible wood. Limiting values of the parameters characterizing the position of the droplets relative to the neighboring droplets in the "water slug" at which minimum temperatures and concentrations of the combustion products in its wake are attained under the conditions of the greatest possible completeness of water evaporation, have been established. It has been shown that a series-parallel droplet distribution in the "water slug" is expedient for efficient action on the high-temperature gases.

Original languageEnglish
Pages (from-to)895-904
Number of pages10
JournalJournal of Engineering Physics and Thermophysics
Volume86
Issue number4
DOIs
Publication statusPublished - Jul 2013

Fingerprint

combustion products
wakes
water
Water
Temperature
temperature
high temperature gases
completeness
Gases
mass transfer
Wood
Evaporation
Mass transfer
heat transfer
evaporation
Heat transfer
gases

Keywords

  • "water slug"
  • combustion products
  • droplets
  • evaporation
  • finely atomized water
  • heat and mass transfer

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering(all)

Cite this

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AB - A numerical study has been made of the influence of the droplet distribution in a "water slug" on the integral characteristics of heat and mass transfer (temperature and concentration of the gases in its wake) in motion through high-temperature combustion products of typical combustible wood. Limiting values of the parameters characterizing the position of the droplets relative to the neighboring droplets in the "water slug" at which minimum temperatures and concentrations of the combustion products in its wake are attained under the conditions of the greatest possible completeness of water evaporation, have been established. It has been shown that a series-parallel droplet distribution in the "water slug" is expedient for efficient action on the high-temperature gases.

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