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Looking in on Diesel Combustion
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English
Abstract
High-speed cine photography has been used to study the combustion process in a variety of diesel chambers. These chambers, used in engines of 12–1200 cu in. swept volume per cylinder, differ considerably in the level of air utilization achieved within the cylinder at acceptable exhaust color or temperature.
These differences are attributed to the method of fuel/air mixing employed and the influence of fuel injection, air motion, and fuel quality are discussed.
It is concluded that while there is an obvious correlation between air utilization and the level of air swirl or turbulence employed, from other points of view high gas velocities are undesirable. Further development will therefore depend largely on the evolution of the fuel injection equipment toward the achievement of good mixing and combustion control with reduced gas velocities.
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Authors
Citation
Scott, W., "Looking in on Diesel Combustion," SAE Technical Paper 690002, 1969, https://doi.org/10.4271/690002.Also In
References
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- Alcock J. F. Scott W. M. “Some More Light on Diesel Combustion.” Proceedings, Automobile Division, Inst. of Mech. Engineers 1962–3 5
- Lyn W. T. Valdmanis E. “The Application of High Speed Schlieren Photography to Diesel Combustion Research.” Jrl. of Photographic Science 1962 10
- Joseph A. J. V. Bardsley R. H. “Combustion Chamber Development in Small Industrial Air Cooled Diesel Engines.” Proceedings Congres International des Machines a Combustion (CIMAC) Brussels 1968
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- Wakuri Y. Fujii M. Amitani T. Tsuneya R. “Studies on the Penetration of Fuel Spray in a Diesel Engine.” Bulletin of JSME 3 1960 9
- Parks M. V. Polonski C. Toye R. “Penetration of Diesel Fuel Sprays in Gases.” Paper 660747 presented at SAE Combined Powerplant and Transportation Meeting October 1966
- Lyn W. T. Valdmanis E. “The Effect of Physical Factors on Ignition Delay.” Proceedings, Automobile Division, Inst. of Mech. Engineers 181 1966–1967 1