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Improving Fuel Economy During High Load Diesel Engine System Operation Through Valve Train Flexibility, Xueting Lu
Improving Fuel Economy During High Load Diesel Engine System Operation Through Valve Train Flexibility, Xueting Lu
Open Access Theses
As emission regulations getting more stringent and the demand for fossil fuel growing, it is crucial to develop advanced technologies for internal combustion engine to lower emissions and fuel.
Strategies such as diesel oxidation catalysts (DOC) for UHC, diesel particulate filters (DPF) for PM, and selective catalytic reduction (SCR) for NOx have been developed and implemented to convert harmful emissions to innocuous species. However, the efficiencies of these after-treatment systems are heavily temperature dependent.
Heavy-duty over-the-road trucks require periodic active diesel particulate filter regeneration to clean the filter of stored particulate matter. These events require sustained temperatures between 500 and …