Laminar burning velocities of n-butane/air mixtures enriched with hydrogen

E. Sher, N. Ozdor

Research output: Contribution to journalArticlepeer-review

46 Scopus citations


Measurements of the laminar flame speeds of n-butane/air mixtures with and without the addition of small amounts of hydrogen were made using a flat flame burner at atmospheric pressure. The ranges of measurement covered the equivalence ratio from 0.52 to 1.20, hydrogen enrichment of 0% to 6% (hydrogen-to-fuel mass ratio), and corrected initial temperature of 270-410 K. Over the range studied, the results can be fitted within an estimated error of ± 10% by the functional form ubF,RH,TR) ub(1.04,0,298)= ubF,0,298) ub(1.04,0,298)+2.18 RH TR 298β(φF) where φF is an effective fule/air equivalence ratio, RH indicates the relative amount of hydrogen addition, and β(φF) = 2.05 + 1.4 (φF - 1). The values for the pure gases were in good agreement with previous experimental results.

Original languageEnglish
Pages (from-to)214-220
Number of pages7
JournalCombustion and Flame
Issue number2
StatePublished - 1 Jan 1992

ASJC Scopus subject areas

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


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