Abstract

Laminar burning velocities for methanol, ethanol, and binary and quaternary mixtures of these with iso-octane and n-heptane, have been determined using the heat flux method on a flat flame adiabatic burner. Measurements were done for an equivalence ratio range between 0.7 and 1.5 and for a range of temperatures between 298K and 358K at atmospheric pressure. The present study expands the available data on laminar burning velocities of alcohol–hydrocarbon blends and validates simple mixing rules for predicting the laminar burning velocity for a wider range of fuel blends of hydrocarbons with methanol and/or ethanol. It is shown that simple mixing rules that consider the energy fraction of the blend’s components are accurate enough to predict the experimentally determined laminar burning velocity of the mixtures.

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