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The kinetics and soot and NOx emission characteristics of the CH4/dimethyl ether (DME) jet diffusion flames (JDFs) are studied by experiments and simulations with a detailed chemical mechanism. The results showed that decomposition of DME in the pyrolysis zone generated massive CH3, which changed the local flame structure and soot-correlated chemistry to some extent. Due to reductions of the incipient...
In this paper, the moderate or intense low-oxygen dilution (MILD) technology was employed to reduce NOx emission index of the DME flame, whose NOx emission was expected high due to its higher adiabatic flame temperature. Experiments and modeling were conducted to study NOx emission mechanism of the DME-MILD jet diffusion flame. Various co-flow temperatures (Tco∗) and oxygen concentrations (XO2∗) were...
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