Parametrization of the temperature dependence of laminar burning velocity for methane and ethane flames

摘要: Abstract The power exponent α in the temperature dependence of laminar burning velocity S L 0 = T u is usually considered an empirical parameter extracted from measurements performed at different temperatures. In this paper analytical derivation proposed, calculating overall activation energy as: → E a 2 R · X + x . This relation verified against experimental data measured with heat flux method and chemical kinetic models for flames equivalence ratios, Φ , 0.6 to 1.6 up 368 K unburned gas 1 t m Both methane ethane were used as fuel. Laminar predictions elevated temperatures are made using proposed resulting values good agreement existing 500 K. indicates that mathematical accurate. addition providing reliable extrapolation varying temperatures, isolating enables more accurate quantification other factors, e.g., pressure, influence velocity. Additionally, it provides simple means evaluate energy,