Distinctive features of the gas-phase ignition of a mixture of a kerosene vapor and air by a steel wire heated to high temperatures

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10 Citations (Scopus)

Abstract

The process of ignition of a mixture of air and a kerosene vapor by a steel wire heated to high temperatures has been modeled numerically. The investigations have been carried out on a model allowing for the combination of heat- and mass-transfer processes (evaporation of the flammable liquid, diffusion and convection of the fuel vapor in air, heat conduction, and oxidation of the fuel vapor in air). The values of the delay time of ignition of the vapor-gas mixture have been determined and the scale of influence of the initial temperature and dimensions of the wire, the distance between the heating source and the kerosene surface, and the temperature and humidity of air on the inertia of the ignition process have been established.

Original languageEnglish
Pages (from-to)1059-1065
Number of pages7
JournalJournal of Engineering Physics and Thermophysics
Volume82
Issue number6
DOIs
Publication statusPublished - 1 Nov 2009

Fingerprint

kerosene
Kerosene
ignition
Ignition
Vapors
steels
wire
Wire
vapors
vapor phases
Steel
air
Air
Gases
Diffusion in liquids
Temperature
Heat conduction
Gas mixtures
conductive heat transfer
inertia

Keywords

  • Gas-phase ignition
  • Ignition-delay time
  • Kerosene
  • Steel wire
  • Vapor-gas mixture

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering(all)

Cite this

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abstract = "The process of ignition of a mixture of air and a kerosene vapor by a steel wire heated to high temperatures has been modeled numerically. The investigations have been carried out on a model allowing for the combination of heat- and mass-transfer processes (evaporation of the flammable liquid, diffusion and convection of the fuel vapor in air, heat conduction, and oxidation of the fuel vapor in air). The values of the delay time of ignition of the vapor-gas mixture have been determined and the scale of influence of the initial temperature and dimensions of the wire, the distance between the heating source and the kerosene surface, and the temperature and humidity of air on the inertia of the ignition process have been established.",
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T1 - Distinctive features of the gas-phase ignition of a mixture of a kerosene vapor and air by a steel wire heated to high temperatures

AU - Kuznetsov, G. V.

AU - Strizhak, P. A.

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N2 - The process of ignition of a mixture of air and a kerosene vapor by a steel wire heated to high temperatures has been modeled numerically. The investigations have been carried out on a model allowing for the combination of heat- and mass-transfer processes (evaporation of the flammable liquid, diffusion and convection of the fuel vapor in air, heat conduction, and oxidation of the fuel vapor in air). The values of the delay time of ignition of the vapor-gas mixture have been determined and the scale of influence of the initial temperature and dimensions of the wire, the distance between the heating source and the kerosene surface, and the temperature and humidity of air on the inertia of the ignition process have been established.

AB - The process of ignition of a mixture of air and a kerosene vapor by a steel wire heated to high temperatures has been modeled numerically. The investigations have been carried out on a model allowing for the combination of heat- and mass-transfer processes (evaporation of the flammable liquid, diffusion and convection of the fuel vapor in air, heat conduction, and oxidation of the fuel vapor in air). The values of the delay time of ignition of the vapor-gas mixture have been determined and the scale of influence of the initial temperature and dimensions of the wire, the distance between the heating source and the kerosene surface, and the temperature and humidity of air on the inertia of the ignition process have been established.

KW - Gas-phase ignition

KW - Ignition-delay time

KW - Kerosene

KW - Steel wire

KW - Vapor-gas mixture

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