Sentences with phrase «for incomplete combustion»

Not exact matches

In GDI engines, fuel is sprayed directly into the combustion chamber, which leads to incomplete fuel evaporation due to the limited time available for fuel and air mixing, resulting in pockets with high temperatures but insufficient oxygen, leading to pyrolysis reactions and soot formation.

Many of these small internal combustion engines used for yardwork can release as much as 30 % of the fuel / oil mixture as unburned pollutants into the atmosphere due to incomplete combustion, which not only wastes fuel and money, but also contributes to air pollution.

Evaluating a 1 % reduction in current global emissions, benefits with a high discount rate are greatest for reductions of co-emitted products of incomplete combustion (PIC), followed by sulfur dioxide (SO2), nitrogen oxides (NOx) and then CO2, ammonia and methane.