Laminar flame speeds of lean H 2 /CO/CO 2 (syngas) fuel mixtures have been measured over a range of fuel compositions (5-95% for H 2 and CO and up to 40% for CO 2 by volume), reactant preheat temperatures (up to 700 K), and pressures (1-5 atm). Two measurement approaches were employed: one using flame area images of a conical Bunsen flame and the other based on velocity profile measurements in a one-dimensional stagnation flame. The Bunsen flame approach, based on imaging measurements of the reaction zone are…
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