This content is not included in
your SAE MOBILUS subscription, or you are not logged in.
Numerical Study on Ignition and Combustion Process of a Diesel Spray in EGR Environment
Annotation ability available
Sector:
Language:
English
Abstract
The present study is mainly motivated to numerically simulate the autoignition and combustion process of a diesel spray in RCM and effects of design parameters on combustion and engine performance in the DI diesel engine with EGR. In case of the burning spray in RCM, special emphasis is given to the autoignition process coupled with the fluid mechanics and chemical reaction. Computations are carried out for a wide range of operating condition in terms of temperature, concentration of oxygen and carbon dioxide of the intake gas in the DI diesel engine with EGR. Numerical results indicate that the mixing process along the edges of spray jet has a crucial role for autoignition and combustion process. Temperature and concentration of O2 and CO2 of intake gas significantly influence the combustion characteristics and engine performance in the diesel/EGR environment.
Authors
Topic
Citation
Kim, Y., Kwon, Y., Kim, H., and Kim, S., "Numerical Study on Ignition and Combustion Process of a Diesel Spray in EGR Environment," SAE Technical Paper 960874, 1996, https://doi.org/10.4271/960874.Also In
References
- Röpke, S. Schweimer, G. W. Strauss, T. S. “NO x Formation in Diesel Engines for Various Fuels and Intake Gases” SAE Paper 950213 1995
- Zheng, M. Reader, G. T. “Prelimilary Investigation of Cycle-to-Cycle Variations in a Nonair-Breathing Diesel Engine” Trans. Of the ASME 117 24 28 1995
- Kim, S. W. Lee, J. K. Lim, J. M. “A Theoretical and Experimental Studies on the Performance of Diesel Engine with Artificial Air Intake” SAE Paper 931898 1993
- Reitz, R. D. “Modeling Atornization Processes in High-Pressure Vaporizing Sprays” Atornization and Spray Technology , 3 309 337 1987
- Halstead, M. Kirsh, L. Quinn, C. “The Autoignition of Hydrocarbon Fuels at High Temperatures and Pressures - Fitting of a Mathematical Model” Combust. Flame 30 45 60 1977
- Magnussen, B. F. Hjertager, B. H. “On Mathematical Modeling of Turbulent Combustion with Special Emphasis on Soot Formation and Combustion” 16th Symposium (International) on Combustion , Combustion Institute 719 729 1976
- Amsden, A. A. O'Rourke, P. J. Butler, T. D. “KIVA-II - A Computer Program for Chemically Reactive Flows with Sprays” Los Alamos National Labs. 1989
- O'Rourke, P. J. Amsden, A. A. “The TAB Method for Numerical Calculation Of Spray Droplet Breakup” SAE Paper 872089 1987
- Faeth, G. M. “Mixing, Transport and Combustion in Spray” Prog. Energy Comb. Sci. 13 293 345 1987
- O'Rourke, P. J. “Collective Drop Effects on Vaporing Liquid Sprays” Los Alamos National Laboratory report LA-9069-T 1981
- Schaperton, H. Lee, W. “Multidimensional Modeling of Knocking Combustion in SI Engine” SAE Paper 850502 1985
- Westbrook, C. K. Dryer, F. L. “Chemical Kinetic Modelling of Hydrocarbon Combustion” Prog. Energy Comb. Sci. , 10 1 57 1984
- Yokota, H. Kamimoto, T. Kobayashi, H. “A Study of Diesel Spray and Flame by an Image Processing Technique” Bulletin of JSME , 54 741 1988
- Abramzon, B. Sirignano “Droplet Vaporization Model for Spray Combustion Calculations” AIAA Paper 88-0636, 26th Aerospace Science Meeting Reno, Nevada 1988