Kinetics and convection in the combustion of alkane droplets

C. K. Law, F. A. Williams

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161 Scopus citations


Measurements were made of burning rates of hexadecane droplets 0.5 to 1 mm in diameter, suspended on quartz fibers in room-temperature air, at pressures from 1 to 0.1 atm. Correction factors for effects of natural convection and finite-rate gas-phase chemical kinetics are determined by least-square fitting of the burning-rate constant. Reexamination of a large amount of earlier data on burning rates of unbranched alkanes reveals appreciable influences of forced and/or natural convection. If corrections for these effects are calculated by evaluating properties at the arithmetic mean of the ambient and flame temperature, then theoretical and experimental burning rates agree within 15%.

Original languageEnglish (US)
Pages (from-to)393-405
Number of pages13
JournalCombustion and Flame
Issue number3
StatePublished - Dec 1972
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Chemistry
  • General Chemical Engineering
  • Fuel Technology
  • Energy Engineering and Power Technology
  • General Physics and Astronomy


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