Effect of initial mixture temperature on flame speeds and blow-off limits of propane - air flames

Gordon L. Dugger
naca-tn-2170
Aug 1950


The effect of initial mixture temperature on flame speeds in the laminar-flow region and on blow-off limits in both the laminar - and turbulent-flow regions was investigated for Bunsen type flames of propane air. Flame speeds were determined at various mixture compositions at each of several temperatures from 85 to 650 degrees F by measuring the area of the Bunsen cone from shadowgraphs.

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