Influence of aluminum particle size on ignition and nonstationary combustion of heterogeneous condensed systems

V. A. Arkhipov, S. S. Bondarchuk, A. G. Korotkikh, V. T. Kuznetsov, A. A. Gromov, S. A. Volkov, L. N. Revyagin

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The results of studies of the effect of particle size of aluminum powder in condensed systems on the ignition, nonstationary combustion, and acoustic conductivity of the burning surface are presented. Analysis of the experimental data shows that the ignition delay and the temperature of burning surface of the heterogeneous condensed systems under study decrease with increasing particle size of aluminum powder, and the nature of the dependence of the nonstationary burning rate on the time of depressurization of the combustion chamber for compositions containing micron or ultrafine aluminum powders is in qualitative agreement with the phenomenological theory of nonstationary combustion. Replacement of micron aluminum powder by ultrafine powder in a heterogeneous condensed system increases acoustic conductivity.

Original languageEnglish
Pages (from-to)625-635
Number of pages11
JournalCombustion, Explosion and Shock Waves
Volume48
Issue number5
DOIs
Publication statusPublished - Sep 2012

Fingerprint

Aluminum
Powders
ignition
Ignition
Particle size
aluminum
Acoustics
conductivity
burning rate
acoustics
pressure reduction
combustion chambers
Combustion chambers
Chemical analysis
Temperature
temperature
Ultrafine

Keywords

  • Acoustic conductivity
  • Aluminum particle size
  • Aluminum powder
  • Conductive ignition
  • Heterogeneous condensed systems
  • Nonstationary combustion
  • Radiant flux

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Chemical Engineering(all)
  • Chemistry(all)
  • Energy Engineering and Power Technology
  • Fuel Technology

Cite this

Influence of aluminum particle size on ignition and nonstationary combustion of heterogeneous condensed systems. / Arkhipov, V. A.; Bondarchuk, S. S.; Korotkikh, A. G.; Kuznetsov, V. T.; Gromov, A. A.; Volkov, S. A.; Revyagin, L. N.

In: Combustion, Explosion and Shock Waves, Vol. 48, No. 5, 09.2012, p. 625-635.

Research output: Contribution to journalArticle

Arkhipov, V. A. ; Bondarchuk, S. S. ; Korotkikh, A. G. ; Kuznetsov, V. T. ; Gromov, A. A. ; Volkov, S. A. ; Revyagin, L. N. / Influence of aluminum particle size on ignition and nonstationary combustion of heterogeneous condensed systems. In: Combustion, Explosion and Shock Waves. 2012 ; Vol. 48, No. 5. pp. 625-635.
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AU - Volkov, S. A.

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