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Ammonia, as a carbon-neutral fuel, draws people attentions recently. NH 3 /CH 4  blends is considered as a kind of fuel. A numerical simulation of the effects of CO 2  dilution on the combustion characteristics and NO emission of NH 3 /CH 4  counterflow diffusion flame was conducted in this study. Diffusion flame structure, the influence of CO 2  radiation characteristics on temperature and NO emission characteristics were studies at normal temperature and pressure. The dilution and radiation of CO 2  reduce the flame temperature significantly. NO concentration decreased with the CO 2  mole fraction increase effectively. The study extends the basic combustion characteristics of NH 3  containing fuel.

iop conference series. earth and environmental science

Numerical study of the Effect of CO2 on the NH3/CH4 Counterflow Diffusion Flame in O2/CO2/N2 Atmosphere