Simulating the combustion of n powder with added finely divided aluminum

V. A. Poryazov, A. Yu Krainov, D. A. Krainov

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A mathematical model for combustion of N powder with added aluminum particles is presented. It takes account of the exothermal chemical reaction in the gas phase, convection and diffusion, heating, and combustion of aluminum particles in the gas flow, the motion of combustion products, and the lag of the particle velocity behind that of the gas. The results of calculation of the burning velocity of powder correspond to the experimental data on the dependence of this velocity on pressure and aluminum particle size. It has been established computationally that for aluminum particles of diameter less than 20 μm the burning velocity of N powder depends substantially on the size of these particles.

Original languageEnglish
Pages (from-to)94-103
Number of pages10
JournalJournal of Engineering Physics and Thermophysics
Volume88
Issue number1
DOIs
Publication statusPublished - 2015

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aluminum
Aluminum
Powders
combustion products
Gases
Flow of gases
Chemical reactions
Particle size
gas flow
mathematical models
chemical reactions
Mathematical models
convection
time lag
Heating
vapor phases
heating
gases

Keywords

  • Aluminum particles
  • Combustion
  • Gas-dispersive medium
  • Ignition
  • N powder

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Engineering(all)

Cite this

Simulating the combustion of n powder with added finely divided aluminum. / Poryazov, V. A.; Krainov, A. Yu; Krainov, D. A.

In: Journal of Engineering Physics and Thermophysics, Vol. 88, No. 1, 2015, p. 94-103.

Research output: Contribution to journalArticle

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