Evaluating The Potential Of A Long Carbon Chain Oxygenate (Octanol) On Soot Reduction In Diesel Engines
INTERNAL COMBUSTION ENGINES AND POWERTRAIN SYSTEMS FOR FUTURE TRANSPORT 2019(2020)
摘要
The automotive industries are facing challenges to meet stringent CO2 and air-quality regulations. One of the factors affecting emissions performance is the fuel's chemical composition. The presence of oxygen in a fuel offers the potential to lower soot emissions, however, these oxygenates must be compatible with existing hardware and fuels. To this end, the combustion of a long carbon-chain oxygenate, 1-octanol, was studied. It was injected at high pressures into a constant volume chamber, and a highspeed, two-colour pyrometry system was used to evaluate the spatial and temporal variations of soot and temperature. A significant reduction of soot was obtained whilst the flame temperature remained similar to that for diesel.
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