This study explores the diesel injection and combustion processes in an effort to better understand the differences in NOx emissions between biodiesel, Fischer-Tropsch (FT) diesel, and their blends with a conventional diesel fuel. Emissions studies were performed with each fuel at a variety of static fuel injection timing conditions in a single-cylinder DI diesel engine with a mechanically …
The impact of biodiesel on NOx emissions was investigated in a 2.5 L common rail direct injection diesel engine under both low load and high load conditions with different fuel injection strategies. Three fuels were used in this study, an ultralow sulfur diesel fuel (BP15), a blend of 20 vol % biodiesel in BP15 (B20), and a blend of 40 vol % biodiesel in BP15 (B40). Fuel injection timings were…
A critical requirement for the implementation of diesel particulate filters on diesel-powered vehicles is having a low “break-even temperature” (BET), which is defined as the temperature at which particulate deposition on the filter is balanced by particulate oxidation on the filter. This balance point needs to occur at sufficiently low temperatures, either to fit within the exhaust tem…