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Some Effects of Fuel Injection System Parameters on Diesel Exhaust Emissions
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Abstract
The products of diesel combustion, including hydrocarbons, nitric oxide, carbon monoxide, and exhaust smoke are being controlled by current and future emission standards of federal and state governments. Fuel injection parameters, including tip design, injection timing, rate of injection, and the number and size of tip orifices were investigated with the unit injector, used in Detroit Diesel engines, for influence on these emissions. Results are presented to show control of hydrocarbon emissions by injector tip design. Reduction in nitric oxide emissions by changing injection parameters is limited by increased exhaust smoke and carbon monoxide and losses in fuel economy. Emission levels with the standard injector and an experimental injector, combining several injection parameter revisions, are compared with the 1973 California emission standards for diesel engines.
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Hames, R., Merrion, D., and Ford, H., "Some Effects of Fuel Injection System Parameters on Diesel Exhaust Emissions," SAE Technical Paper 710671, 1971, https://doi.org/10.4271/710671.Also In
References
- Merrion D. F. “Effect on Design Revisions on Two-Stroke-Cycle Diesel Engine Exhaust.” SAE Transactions 77 1968 paper 680422
- Ford H. S. Merrion D. F. Hames R. J. “Reducing Hydrocarbons and Odor in Diesel Exhaust by Fuel Injector Design.” Paper 700734 presented at SAE Farm, Construction, Industrial Machinery and Powerplant Meeting Milwaukee September 1970
- Ford H. S. Sinks F. W. “Engines for Economy Plus.” Paper 553A presented at SAE National West Coast Meeting Los Angeles August 1962
- SAE Recommended Practice, Continuous Hydrocarbon Analysis of Diesel Exhaust SAE J215, SAE Handbook
- SAE Recommended Practice, Measurement of Carbon Dioxide, Carbon Monoxide, and Oxides of Nitrogen in Diesel Exhaust SAE J177, SAE Handbook
- SAE Recommended Practice, Measurement of Intake Air or Exhaust Gas Flow of Diesel Engines SAE J244, SAE Handbook
- SAE Recommended Practice, Diesel Engine Smoke Measurement (Steady-State) SAE J255, SAE Handbook
- State of California, Air Resources Board “California Exhaust Emission Standards Test and Approval Procedures for Diesel Engines in 1973 and Subsequent Model Year Vehicles Over 6001 Pounds Gross Vehicle Weight.” 1971