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Fuel-Air Injection Nozzle for Diesel Engines
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English
Abstract
The development of a fuel-air injection nozzle that injects a premixed fuel and air and then a quantity of clean air into the combustion chamber is described. The new injection nozzle provides better controllability of fuel-air mixing and fuel evaporation. Additionally, the clean air injection following the fuel-air mixture injection prevents stagnant fuel accumulations in the nozzle tip. Therefore, the fuel-air injection nozzle is of particular advantage for use with difficult fuels such as plant oils for long term operation.
The fuel-air injection nozzle was tested in an engine running on sunflower oil giving significant reduction in carbon buildup. No engine modifications were necessary for the fuel-air injection nozzle installation.
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Citation
Ziejewski, M. and Goettler, H., "Fuel-Air Injection Nozzle for Diesel Engines," SAE Technical Paper 891944, 1989, https://doi.org/10.4271/891944.Also In
References
- Andoh, H. Shiraishi K. “Influence on Injection and Combustion Phenomena of Elimiation of the Hole Nozzle Sac Volume” SAE Paper, No. 860416 1986
- Ziejewski, M. Goettler H. J. “Nozzle System for Engines” April 1989
- Baranescu, R. A. Lusco J. J. “Sunflower Oil as a Fuel Extender in Direct Injection Turbocharged Diesel Engines” SAE Paper, No. 820260 1982
- Ziejewski, M. Goettler H. J. Kaufman K. R. Pratt G. L. “Fuel Injection Anomalies Observed During Long-Term Engine Performance Tests on Alternate Fuels” SAE Paper, No. 852089