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TECHNICAL PAPERS: Injection and Fuel Air Mixture Preparation

Influence of the Injection Parameters on the Efficiency and Power Output of a Hydrogen Fueled Engine

[+] Author and Article Information
R. Sierens, S. Verhelst

Laboratory of Transporttechnology, Ghent University, Sint-Pietersnieuwstraat 41, B-9000 Bent, Belgium

J. Eng. Gas Turbines Power 125(2), 444-449 (Apr 29, 2003) (6 pages) doi:10.1115/1.1496777 History: Received May 29, 2001; Revised February 15, 2002; Online April 29, 2003
Copyright © 2003 by ASME
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References

Tebelis, T., and Krepec, T., 1985, “A Concept of Electronically Controlled Hydrogen-Gas Injector for High Speed Compression Ignition Engine,” Proc. Hydrogen from Renewable Energy, Cape Canaveral, FL, pp. 397–405.
Sorusbay, C., and Veziroglu, T. N., 1988, “Mixture Formation Techniques for Hydrogen-Fueled Internal Combustion Engines,” Proceedings of the 7th World Hydrogen Energy Conference, Moscow, 3 , pp. 1901–1921.
Green, C. J., and Wallace, J. S., 1989, “Electronically Actuated Injector for Gaseous Fuels,” SAE Paper No. 89147.
Das,  L. M., 1990, “Fuel Induction Techniques for a Hydrogen Operated Engine,” Int. J. Hydrogen Energy, 15, pp. 823–842.
Furuhama, S., 1995, “Problems of Forecasting the Future of Advanced Engines and Engine Characteristics of the Hydrogen Injection With LH2 Tank and Pump,” Calvin Rice Lecture, Apr. 23.
Lee,  S. T., Yi,  H. S., and Kim,  E. S., 1995, “Combustion Characteristics of Intake Port Injection Type Hydrogen Fueled Engine,” Int. J. Hydrogen Energy, 20, pp. 317–322.
Das,  L. M., Gulati,  R., and Gupta,  P. K., 2000, “Performance Evaluation of a Hydrogen-Fueled Spark Ignition Engine Using Electronically Controlled Solenoid-Actuated Injection System,” Int. J. Hydrogen Energy, 25, pp. 569–579.
Sierens, R., and Verhelst, S., 2000, “Experimental Study of a Hydrogen Fueled Engine,” Paper No. 2000-ICE-285, ICE-Vol. 34-3, ASME, New York.
ASTM, 1964, Manual for Rating Fuels by Motor and Research Methods, Philadelphia, PA.
FLUENT Incorporated, 1998, Fluent 5 User’s Guide, 1 , till 4.
FLUENT Incorporated, 1998, Fluent 5 Tutorial Guide, 1 , till 3.
FLUENT Incorporated, 1998, Gambit I Tutorial Guide.
Delbarge, B., and D’Haveloose, T., 2000, “Experimentele Studie en Optimalisatie van Waterstofinjectie in een CFR-Motor” (Experimental Study and Optimization of Hydrogen Injection in a CFR Engine—in Dutch), end of year thesis, Ghent University.
MacCarley, C. A., 1981, “A Study of Factors Influencing Thermally Induced Backfiring in Hydrogen Fueled Engines, and Methods for Backfire Control,” Proceedings 16th IECEC, ASME, New York.

Figures

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Inlet geometries (position of the injector)
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Mole fraction of H2 in the intake pipe (Y-junction, stationary condition, λ=2)
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Mole fraction of H2 (sequential injection, third cycle, at IVC, λ=2)
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Power output as a function of start of injection
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Maximum cylinder pressure as a function of start of injection
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Pressure development in the intake channel (at 8 cm from the inlet valve), for different SOI’s
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Power output as a function of the air/fuel equivalence ratio, Y-junction (for different ignition timings—between 2 deg and 20 deg ca BTDC)
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Power output as a function of the start of injection for different injection pressures, Y-junction
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Injection duration as a function of the air/fuel equivalence ratio for different injection pressures
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Indicated efficiency as a function of the start of injection
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CFD simulation: end cross section of different junctions (stationary condition)
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Indicated efficiency as a function of the air/fuel equivalence ratio λ (for different ignition timings)

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