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TECHNICAL PAPERS: Internal Combustion Engines

A Nonlinear, Transient, Single-Cylinder Diesel Engine Simulation for Predictions of Instantaneous Engine Speed and Torque

[+] Author and Article Information
Z. S. Filipi, D. N. Assanis

W. E. Lay Automotive Laboratory Automotive Research Center, Department of Mechanical Engineering and Applied Mechanics, University of Michigan, Ann Arbor, MI 48109-2121

J. Eng. Gas Turbines Power 123(4), 951-959 (Oct 01, 2000) (9 pages) doi:10.1115/1.1365122 History: Received January 01, 1997; Revised October 01, 2000
Copyright © 2001 by ASME
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References

Bowns,  D. E., 1970–71, “The Dynamic Characteristics of Reciprocating Engines,” I. Mech. E. Proc., 185, pp. 185–201.
Hazell,  P. A., and Flower,  J. O., 1970, “Sample-Data Theory Applied to the Modeling and Control Analysis of Compression Ignition Engines,” Part I and II, Int. J. Control, 13, pp. 549–562.
Windett,  G. P., and Flower,  J. O., 1974, “Sample-Data Frequency-Response Measurements of a Large Diesel Engine,” Int. J. Control, 19, pp. 1069–1086.
Ledger, J. D., Benson, R. S., and Whitehouse, N. D., 1973, “Dynamic Modelling of a Turbocharged Diesel Engine,” I. Mech. E. Proc. CP15.
Benson, R. S, Ledger, J. D., Whitehouse, N. D., and Walmsley, N. D., 1973, “Comparison of Experimental and Simulated Transient Responses of a Turbocharged Diesel Engine,” SAE Paper 730666.
Jensen, J. P., Kristensen, A. F., Sorenson, S. C., Houbak, N., and Hendrics, E., 1990, “Transient Simulation of a Small Turbocharged Diesel Engine,” SAE Paper 904182.
Berglund,  S., 1993, “A Model of Turbocharged Engines as Dynamic Drivetrain Members,” SAE Paper 933050, SAE Trans., 102, pp. 1027–1034.
Benson, R. S., 1971, “A Comprehensive Digital Computer Program to Simulate a Compression Ignition Engine Including Intake and Exhaust Systems,” SAE Paper 710773.
Assanis, D. N., and Heywood, J. B., 1986, “Development and Use of a Computer Simulation of the Turbocompounded Diesel System for Engine Performance and Component Heat Transfer Studies,” SAE Paper 860329.
Winterbone, D. E., Thiruarooran, C., and Wellstead, P. E., 1977, “A Wholly Dynamic Model of a Turbocharged Diesel Engine for Transfer Function Evaluation,” SAE Paper 770124.
Watson., N., and Marzouk, M., 1977, “A Non-Linear Digital Simulation of Turbocharged Diesel Engines Under Transient Conditions,” SAE Paper 770123.
Zhang,  G., Filipi,  Z. S., and Assanis,  D. N., 1997, “A Flexible, Reconfigurable, Transient Multi-Cylinder Diesel Engine Simulation for System Dynamics Studies,” Mech. Struct. Mach., 25 No. 3, pp. 357–378.
Poola, R. R., Sekar, R., Assanis, D. N., and Cataldi, G. R., 1996, “Study of Oxygen-Enriched Combustion Air for Locomotive Diesel Engines,” ICE-Vol. 27-4, Proceedings of ASME-ICE Fall Technical Conference, Fairborn, OH.
Assanis, D. N., 1985, “A Computer Simulation of the Turbocharged Turbocompounded Diesel Engine System for Studies of Low Heat Rejection Engine Performance,” Ph.D. thesis, M.I.T.
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Shampine, L. F., and Gordon, M. K., 1974, Computer Solution of Ordinary Differential Equations: The Initial Value Problem, Freeman, San Francisco.
Millington,  B. W., and Hartles,  E. R., 1968, “Frictional Losses in Diesel Engines,” SAE Paper 680590, SAE Trans, 77, pp. 2390–2406.
Liu, H., Chalhoub, N. G., and Henein, N., 1997, “Simulation of a Single-Cylinder Diesel Engine Under Cold-Start Conditions Using Simulink,” ASME-ICE Spring Technical Conference Proceedings, Fort Collins, CO.
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Figures

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Diesel engine cylinder as a thermodynamic control volume
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Block diagram for the single-cylinder engine dynamic system
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Equivalent system for engine-external load dynamics
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Forces on the slider-crank mechanism
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Calculated fluctuations of torque on the crank shaft of the single-cylinder engine during a “steady-state” cycle
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Calculated fluctuations of the instantaneous crank-shaft angular velocity in the single-cylinder engine during a “steady-state” cycle
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Comparison of predicted and measured instantaneous single-cylinder engine speed during free acceleration with 100 percent fueling rate and no external load
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Predicted effect of engine speed on (a) cylinder pressure, temperature, and rate of heat release; (b) turbulence intensity and rate of heat transfer in the single-cylinder diesel engine
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Predicted effect of the inlet manifold pressure on (a) flow rate through the inlet valve; (b) cylinder pressure and rate of heat release in the single-cylinder diesel engine
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Predicted crank-shaft speed fluctuations during starting for three values of engine polar moment of inertia
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Simulated engine response during an elementary transient initiated by the step change of the fueling rate
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A suite of the single-cylinder torque fluctuation lines calculated for individual cycles occurring during the transient shown in Fig. 11

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