This paper studies the differences in spray structure and emissions trends between diesel and biodiesel fuels in a compression ignition engine. A computationally efficient and predictive quasi-dimensional simulation model is combined with fuel-specific physical properties and chemical kinetic mechanisms to predict spray mixing, combustion, and emissions behavior. The results underscore the complex relationships between NOx emissions, operational parameters, and fuel chemistry and provide further evidence of a link between stoichiometry near the flame lift-off length and formation of NOx.

Issue Section:
Gas Turbines: Combustion, Fuels, and Emissions
Keywords:
Computational, Engines, Fuel combustion, Fuels , Internal combustion engines, Modeling, Sprays, Thermodynamics, Combustion
Topics:
Biodiesel, Combustion, Diesel, Fuels, Sprays, Nitrogen oxides, Emissions, Engines, Modeling

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