On possibility of vapor-phase combustion for fine aluminum particles

Salil Mohan, Mikhaylo A. Trunov, Edward L. Dreizin

Research output: Contribution to journalArticlepeer-review

43 Scopus citations

Abstract

A simplified heat transfer model applicable for vapor-phase combustion of individual fine metal particles predicts existence of a critical particle diameter, below which the vapor-phase flame alone cannot be self-sustaining. Other heat generation mechanisms (i.e. surface oxidation) should complement the vapor-phase flame. The predicted critical particle diameter is a function of the flame temperature and pressure. For single aluminum particles burning in atmospheric pressure air, CO2 and H2O, the predicted critical particle diameters are close to 6, 7, and 15 μm, respectively.

Original languageEnglish (US)
Pages (from-to)2213-2216
Number of pages4
JournalCombustion and Flame
Volume156
Issue number11
DOIs
StatePublished - Nov 2009

All Science Journal Classification (ASJC) codes

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

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