Sungkyunkwan University · 工学
Professor Oh Chae Kwon's research lab specializes in fundamental combustion science, with a focus on laminar premixed flame dynamics, flame stretch effects, and the measurement of unstretched laminar burning velocities in hydrocarbon-air mixtures. The lab investigates flame behavior under varying pressures, equivalence ratios, and oxygen concentrations, emphasizing the influence of flame stretch on combustion stability and propagation. Their work contributes to the development of accurate combustion models for internal combustion engines and gas turbines. The research also explores the Markstein number as a key parameter in understanding flame instability and extinction.
Figures are computed from collected data and may differ slightly.
Unstretched laminar burning velocities and e ame response to stretch (Markstein numbers ) were measured for outwardly propagating spherical laminar premixed e ames involving mixtures of hydrocarbon vapors, oxygen, and nitrogen. Experimental conditions consisted of vapors of several liquid fuels (n-hexane, n-heptane, iso-octane, methyl-alcohol, and ethyl-alcohol ), concentrations of oxygen in the nonfuel gases of 19 ‐33% by volume, pressures of 0.5‐2.0 atm, fuel-equivalence ratios of 0.80 ‐1.60,
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