Chemical Kinetic Study of Nitrogen Oxides Formation Trends in Biodiesel Combustion

Table 6

The absolute NO concentration values contributed by different mechanisms for DOS, RME, and RME+ under 0% and 20% EGR level conditions.

Fuel	NO
	Thermal NO ppm	Prompt NO ppm	Total NO ppm	Proportion % : %
DOS	551.0	68.6	619.6	88.9 : 11.1
RME	516.0	71.0	587.0	87.9 : 12.1
RME+ 10% more mass	617.49	57.86	675.35	91.4 : 8.6
DOS EGR20	244.32	52.58	296.9	82.3 : 17.7
RME EGR20	251.05	52.95	304.0	82.6 : 17.4
RME+ 10% mass EGR20	309.0	58.91	367.91	86.0 : 14.0