Reduction of NOx and Particulate Emissions by Using Oxygen-Enriched Combustion Air in a Locomotive Diesel Engine

[+] Author and Article Information
R. B. Poola

Electro-Motive Division, General Motors Corporation, 9301 W. 55th Street, LaGrange, IL 60525

R. Sekar

Argonne National Laboratory, 9700 South Cass Avenue, Building 362, Argonne, IL 60439-4815

J. Eng. Gas Turbines Power 125(2), 524-533 (Apr 29, 2003) (10 pages) doi:10.1115/1.1563236 History: Received November 01, 2001; Revised May 01, 2002; Online April 29, 2003
Copyright © 2003 by ASME
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Effects of intake air oxygen-enrichment at a rich oxygen-to-fuel ratio (constant fueling rate) on emissions and brake output
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Effects of constant oxygen-to-fuel ratio on particulate, NOx, THC, and CO emissions and brake power
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Effects of constant oxygen-to-fuel ratio with retarded fuel injection timing on particulates, NOx, and brake power
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Comparison of cylinder peak combustion pressures obtained while increasing the brake output using oxygen-enriched air
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Power and emissions characteristics with three different oxygen-enrichment strategies
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Comparison of performance and emissions with different oxygen concentration, fueling, and injection-timing strategies
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Tradeoff between emissions and bsfc at engine full load using optimum oxygen-enrichment strategy
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Reductions in observed brake specific fuel consumption by using optimum oxygen-enrichment strategy




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