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Effects of Spark Characteristics on Engine Combustion with Gasoline and Propane
Technical Paper
2003-01-3264
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper describes an experimental study of the effects of ignition spark characteristics on combustion behaviour in a light duty automotive engine. A prototype programmable energy ignition system was used to investigate the influence of both spark energy and the current/time profile used to deliver a given amount of energy. The engine was tested under part load conditions using a stoichiometric air/fuel ratio and relatively high levels of exhaust gas recirculation (EGR). In addition to tests with port-injected gasoline, tests were also carried out using propane (premixed upstream of the throttle) in order to investigate the possibility that improvements in the homogeneity of the mixture might influence the impact of varying the spark characteristics.
The results focus upon the Coefficient of Variation of Indicated Mean Effect Pressure (COV of IMEP) and the 10% Mass Fraction Burn (MFB) duration versus concurrent measurements of the electrical energy delivered into the spark plug gap. Different spark waveforms in which current was delivered continuously during the spark produced similar reductions in the 10% MFB duration as the delivered spark energy was increased, while sparks with intermittent current delivery (multi-spark approaches) were somewhat less effective in this regard. COV levels with port injected gasoline were substantially higher than those with premixed propane when the delivered spark energy was very low, but the two fuels produced similar COV levels when the spark energy was increased. Significant differences in spark plug erosion would be expected for the various types of spark current waveforms due to differences in the integrated current required to deliver a given amount of ignition energy and the proportioning of the current between arc and glow discharge.
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Citation
Abd-Alla, T., Pucher, G., Bardon, M., and Gardiner, D., "Effects of Spark Characteristics on Engine Combustion with Gasoline and Propane," SAE Technical Paper 2003-01-3264, 2003, https://doi.org/10.4271/2003-01-3264.Also In
Experimental Investigation of Compression Ignition and Spark Ignition Engines
Number: SP-1804; Published: 2003-10-31
Number: SP-1804; Published: 2003-10-31
References
- Anderson R.W. “The Effect of Ignition System Power on Fast Burn Engine Combustion” SAE Paper # 870549 Society of Automotive Engineers Warrendale, PA 1987
- Anderson R.W. Asik J.R. “Lean Air-Fuel Ignition System Comparison in a Fast-Burn Engine” SAE Paper # 850076 Society of Automotive Engineers Warrendale, PA 1985
- Anderson R.W. Asik J.R. “Ignitability Experiments in a Fast Burn, Lean Burn Engine” SAE Paper # 830477 Society of Automotive Engineers Warrendale, PA 1983
- Nakai M. Nakagawa Y. Hamai K. Sone M. “Stabilized Combustion in a Spark Ignited Engine Through a Long Spark Duration” SAE Paper # 850075 Society of Automotive Engineers Warrendale, PA 1985
- Czekala M. Johnston B. Marganti C. McRoy G. “Matching Ignition System Multi-Spark Calibration to the Burn-Rate of an Engine to Extend Ignitability Limits” SAE Paper # 981046 Society of Automotive Engineers Warrendale, PA 1998
- Gardiner D.P. Mallory R.W. Pucher G.R. Todesco M.K. Bardon M.F. Battista V. “Experimental Studies Aimed at Lowering the Electrical Energy Requirements of a Plasma Jet Ignition System for M100 Fuelled Engines” SAE Paper # 961989 Society of Automotive Engineers Warrendale, PA 1996
- Teets R.E. Sell J.A. “Calorimetry of Ignition Sparks” SAE Paper # 880204 Society of Automotive Engineers Warrendale, PA 1988
- Daniels C.F. Scilzo B.M. “The Effects of Electrode Design on Mixture Ignitability” SAE Paper 960606 Society of Automotive Engineers Warrendale, PA 1996
- Rassweiler G.M. Withrow L. “Motion Pictures of Engine Flames Correlated with Pressure Cards” SAE Transactions 42 3 1938
- Siewert R.M. Mitchell P.J. Maluwa P.A. “Environmental Potential of Natural Gas Fuel for Light-Duty Vehicles: An Engine Dynamometer Study of Exhaust-Emission Control Strategies and Fuel Consumption” SAE Paper # 932744 Society of Automotive Engineers Warrendale, PA 1993
- Ryan W. Lestz S.S. “The Laminar Burning Velocity of Iso-octane, N-Heptane, Methanol, Methane and Propane at Elevated Temperature and Pressure in the Presence of a Diluent” SAE Paper # 800103 Society of Automotive Engines Warrendale, PA 1980
- Dasch C.J. Brinkman N.D. Hopper D.H. “Cold Starts Using M-85 (85% Methanol):Coping with Low Fuel Volatility and Spark Plug Wetting” SAE Paper # 910865 Society of Automotive Engineers Warrendale, PA 1991
- Quader A.A. Dasch C.J. “Spark Plug Fouling: A Quick Engine Text” SAE Paper # 920006 Society of Automotive Engineers Warrendale, PA 1992
- Kim J. Anderson R.W. “Spark Anemometry of Bulk Gas Velocity at the Plug Gap of a Firing Engine” SAE Paper 952459 Society of Automotive Engineers Warrendale, PA 1995
- Pischinger S. Heywood J.B. “How Heat Losses to the Spark Plug Electrodes Affect Flame Kernel Development in an SI-Engine” SAE Paper # 90021 Society of Automotive Engines Warrendale, PA 1990
- Takagi Y. “Direct Injection Gasoline Engines Developed in Japanese Automakers - Performance Improvement and Technical Subject to be Solved” ARO/ERC Engine Symposium University of Wisconsin-Madison WI June 10-11 1999
- Fansler T.D. Stojkovic B. Drake M.C. Rosalik M.E. “Local Fuel Concentration Measurements in Internal Combustion Engines Using Spark-Emission Spectroscopy” Appl. Phys. B 75 577 590 2002
- Ghandhi J.B. Bracco F.V. “Mixture Preparation Effects on Ignition and Combustion in a Direct-Injection Spark-Ignition Engine” SAE Paper # 962013 Society of Automotive Engines Warrendale, PA 1996
- Young C.T. Grimes, D.A., “Erosion Mechanisms of Automotive Spark Plug Electrodes” SAE Paper # 780330 Society of Automotive Engineers Warrendale, PA 1978
- Maly R. “Spark Ignition: Its Physics and Effect on the Internal Combustion Engine” Fuel Economy in Road Vehicles Powered by Spark Ignition Engines Hilliard J.C. Springer G.S. Plenum Press New York London 1984
- Maly R. “Spark Ignition: Its Physics and Effect on the Internal Combustion Engine” Fuel Economy in Road Vehicles Powered by Spark Ignition Engines Hilliard J.C. Springer G.S. Plenum Press New York London 1984
- Pischinger S. Heywood J.B. “How Heat Losses to the Spark Plug Electrodes Affect Flame Kernel Development in an SI-Engine” SAE Paper # 90021 Society of Automotive Engines Warrendale, PA 1990
- Kim J. Anderson R.W. “Spark Anemometry of Bulk Gas Velocity at the Plug Gap of a Firing Engine” SAE Paper Number 952459 American Society of Automotive Engineers Transactions Warrendale, PA 1995
- Gehard F.W.Z. Wagner E.P. Maly R.R. “Ignition of Lean Methane-Air Mixtures by High Pressure Glow and Arc Discharges” 20th Symposium (International) on Combustion The Combustion Institute 1817 1824 1984
- Cobine J.D. Gaseous Conductors, Theory and Engineering Applications Dover Publications, Inc. NY 1958