Effect of high Lewis number on the non-adiabatic premixed flame edges

E. Al-Sarairah

Research output: Contribution to journalArticlepeer-review


In this paper, we investigate numerically the influence of heat loss and Damköhler number, which is inversely proportional to the square of strain rate, on the edges of premixed flames in a two dimensional counterflow for Lewis numbers greater than unity. The propagation speed of flame edges is plotted against Damköhler numbers for different values of the heat loss parameter showing a multiple flame edge solutions in the form of S shaped curves.

Original languageBritish English
Pages (from-to)12-19
Number of pages8
JournalInternational Journal of Engineering Systems Modelling and Simulation
Issue number1
StatePublished - 2017


  • Counterflow
  • Flame edges
  • Heat loss
  • Laminar premixed flames
  • Lewis number


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