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TECHNICAL PAPERS—SPECIAL ICE SECTION: Alternative Fuels Combustion and Emissions

Stoichiometric Operation of a Gas Engine Utilizing Synthesis Gas and EGR for NOx Control

[+] Author and Article Information
Jack A. Smith

Department of Engine Research, Engine and Vehicle Research Division, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78226-0510

Gordon J. J. Bartley

Department of Emissions Research, Automotive Products and Emission Research Division, Southwest Research Institute, 6220 Culebra Road, San Antonio, TX 78226-0510

J. Eng. Gas Turbines Power 122(4), 617-623 (Apr 02, 2000) (7 pages) doi:10.1115/1.1289386 History: Received March 20, 2000; Revised April 02, 2000
Copyright © 2000 by ASME
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References

Figures

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Schematic of test engine setup
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Syngas composition as a function of catalyst equivalence ratio
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CO2 mole fraction in intake charge as a function of overall system equivalence ratio
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Maximum EGR fractions for syngas fractions of 0, 30, and 40 percent
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Brake thermal efficiency versus the EGR fraction
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Effect of syngas on lower heating value of fuel mixture at intake port
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Indicated thermal efficiency versus the EGR fraction
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Ignition delay versus the EGR fraction
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10–90 percent MFB duration versus the EGR fraction
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Effects of syngas and EGR on raw, uncorrected, NOx emissions
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Minimum NOx for the baseline and syngas cases at the corresponding maximum EGR fraction
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Wet unburned HC emissions versus the EGR fraction
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Dry CO emissions versus the EGR fraction
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The COV of IMEP versus the EGR fraction

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