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TECHNICAL PAPERS: Internal Combustion Engines

Computations of Air/Fuel Preparation Process in a Port-Injected Spark-Ignition Engine During Cold-Starting Phase

[+] Author and Article Information
Yangbing Zeng, C. F. Lee

Department of Mechanical and Industrial Engineering, University of Illinois at Urbana-Champaign, 140 Mechanical Engineering Building, 1206 West Green Street, Urbana, IL 61801

J. Eng. Gas Turbines Power 126(3), 635-644 (Aug 11, 2004) (10 pages) doi:10.1115/1.1760524 History: Received May 01, 2001; Revised November 01, 2003; Online August 11, 2004
Copyright © 2004 by ASME
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References

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Kelly-Zion, P. L., Styron, J. P., Lee, C. F., Lucht, R. P., Peters, J. E., and White, R. A., 1998, “Multicomponent Liquid and Vapor Fuel Measurements in the Cylinder of a Port Injected, Spark Ignition Engine,” 27th Symposium (International) on Combustion, Combustion Institute, Pittsburgh, PA, pp. 2111–2117.
Horie, K., Takahasi, H., and Akazaki, S., 1995, “Emissions Reduction During Warm-Up Period by Incorporating a Wall-Wetting Fuel Model on the Fuel Injection Strategy During Engine Starting,” SAE Paper 952478.
Naitoh, K., Takagi, Y., Kokita, H., and Kuwahara, K., 1994, “Numerical Prediction of Fuel Secondary Atomization Behavior in SI Einge Based on Oval-Parabola Trajectories (OPT) Model,” SAE Paper 940526.
Shimizu, R., Matumoto, S., Furuno, S., Murayama, M., and Kojima, S., 1992, “Measurement of Air-Fuel Mixture Distribution in a Gasoline Engine Using LIEF Techniques,” SAE Paper 922356.
Meyer, J., Haug, M., Schreiber, M., and Unverzagt, S., 1995, “Controlling Combustion in an Spark Ignition Engine by Quantitative Fuel Distribution,” SAE Paper 950107.
Zhao, F.-Q., Taketomi, M., Nishida, K., and Hiroyasu, H., 1993, “Quantitative Imaging of the Fuel Concentration in a SI Engine With Laser Rayleigh Scattering,” SAE Paper 932641.
Chen, K. C., Dewitte, K., and Cheng, W. K., 1995, “Fuel Effects and Enrichment Effects on Engine Starting and Warm-Up Behavior,” SAE Paper 950065.
Zeng,  Y., and Lee,  C. F., 2002, “A Model for Multicomponent Spray Vaporization in a High Pressure and High Temperature Environment,” ASME J. Eng. Gas Turbines Power, 124, pp. 717–724.
Zeng,  Y., and Lee,  C. F., 2000, “A Multicomponent-Fuel Film-Vaporization Model for Multidimensional Computations,” J. Propul. Power, 16, pp. 964–973.
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Ayoub,  N. S., and Reitz,  R. D., 1997, “Multidimensional Modeling of Fuel Effects and Split Injections on Diesel Engine Cold-Starting,” J. Propul. Power, 13, pp. 123–130.
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O’Rourke, P. J., and Amsden, A. A., 1996, “A Particle Numerical Model for Wall Film Dynamics in Port-Injected Engines,” SAE Paper 961961.
Megaridis, C. M., and Sirignano, W. A., 1990, “Numerical Modeling of a Vaporizing Multicomponent Droplet,” 23rd Symposium (International) on Combustion, The Combustion Institute, Pittsburgh, PA, pp. 1413–1421.
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Figures

Grahic Jump Location
Variation of fuel vapor mass versus crank angle (effect of fuel representation and vaporization model Cases 1, 2, and 3)
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Variation of species fuel vapor mass versus crank angle (Cases 1 and 2)
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Variation of fuel vapor mass versus crank angle (effect of fuel representation and vaporization model under fuel enrichment, Cases 10 and 11)
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Liquid entry for closed-valve injection at 430 deg CA (Case 1)
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Liquid entry for open-valve injection at 430 deg CA (Case 4)
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Variation of in-cylinder fuel mass versus crank angle (effect of injection timing, Cases 1 and 4)
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Variation of in-cylinder fuel mass versus crank angle (effect of swirl intensity for closed-valve injection, Cases 1 and 5)
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Variation of in-cylinder fuel mass versus crank angle (effect of swirl intensity for open-valve injection, Cases 4 and 6)
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Vapor phase distribution of hexane for Case 1
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Vapor phase distribution of hexane for Case 5
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Vapor phase distribution of hexane at 410 deg CA for Case 1
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Vapor phase distribution of hexane at 670 deg CA for Case 1
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Vapor phase distribution of hexane at 410 deg CA for Case 5
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Vapor phase distribution of hexane at 670 deg CA for Case 5
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Variation of in-cylinder fuel mass versus crank angle (effect of engine speed, Cases 1 and 7)
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Variation of in-cylinder fuel liquid mass versus crank angle (effect of target path for open-valve injection, Cases 4 and 9)
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Variation of in-cylinder fuel vapor mass versus crank angle (effect of target path for closed-valve injection, Cases 1 and 8)
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Variation of film aera versus crank angle (effect of target path, Cases 1, 4, 8, and 9)
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Variation of in-cylinder fuel mass versus crank angle (effect of fuel enrichment, Cases 1 and 10)
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Variation of in-cylinder fuel mass versus crank angle (effect of fuel accumulation, Cases 1 and 12)

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