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TECHNICAL PAPERS: Internal Combustion Engines: Flow, heat transfer, and combustion

Study of Using Oxygen-Enriched Combustion Air for Locomotive Diesel Engines

[+] Author and Article Information
D. N. Assanis

The University of Michigan, Ann Arbor, MI 48109

R. B. Poola, R. Sekar

Argonne National Laboratory, Argonne, IL 60439

G. R. Cataldi

Association of American Railroads, Washington, D.C. 20019

J. Eng. Gas Turbines Power 123(1), 157-166 (Mar 16, 2000) (10 pages) doi:10.1115/1.1290590 History: Received December 21, 1999; Revised March 16, 2000
Copyright © 2001 by ASME
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References

Figures

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Functional representation of a prototype membrane
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Air separation membrane modes of operation
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Turbocharged diesel system configuration using oxygen-rich air supplied by air separation membrane
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Validation of diesel simulation with experimental results
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Effects of intake air oxygen-enrichment on engine performance at various notch positions
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Effects of fuel injection timing on performance characteristics at various oxygen-enrichment levels
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Fuel injection timing map: brake power versus peak cylinder pressure at various intake air oxygen-enrichment levels
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Overall combustion and stoichiometric core-flame temperatures with intake air oxygen-enrichment
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Effects of oxygen and injection timing on NO emissions in stoichiometric and overall combustion regions
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Nitric oxide concentrations at different intake air oxygen-enrichment levels
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Variation of permeate oxygen concentration with stage cut at various pressure ratios for CMS-3 membrane material
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Total isentropic work required to drive membrane under three operating modes
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Minimum isentropic work required by membrane module at various oxygen-enrichment levels
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Potential of brake power enhancement with oxygen-enrichment at full load
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Potential of oxygen-enrichment over turbocharging with increased boost to enhance the power output

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