Table 6: The absolute NO concentration values contributed by different mechanisms for DOS, RME, and RME+ under 0% and 20% EGR level conditions.

FuelNO
Thermal NO ppmPrompt NO ppmTotal NO ppmProportion % : %

DOS551.068.6619.688.9 : 11.1
RME516.071.0587.087.9 : 12.1
RME+ 10% more mass617.4957.86675.3591.4 : 8.6
DOS EGR20244.3252.58296.982.3 : 17.7
RME EGR20251.0552.95304.082.6 : 17.4
RME+ 10% mass EGR20309.058.91367.9186.0 : 14.0