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The Influence of High Cetane Blending Components on Emissions From a Heavy-Duty Diesel Engine With EGR

[+] Author Affiliations
W. Stuart Neill, Wallace L. Chippior

National Research Council Canada, Ottawa, ON, Canada

Ken Mitchell

Shell Canada Products

Craig Faibridge

National Centre for Upgrading Technology

René Pigeon

Natural Resources Canada

Robert L. McCormick

National Renewable Energy Laboratory

John Van Heyst

Suncor Energy, Inc.

Paper No. ICEF2004-0887, pp. 315-323; 9 pages
doi:10.1115/ICEF2004-0887
From:
  • ASME 2004 Internal Combustion Engine Division Fall Technical Conference
  • ASME 2004 Internal Combustion Engine Division Fall Technical Conference
  • Long Beach, California, USA, October 24–27, 2004
  • Conference Sponsors: Internal Combustion Engine Division
  • ISBN: 0-7918-3746-7 | eISBN: 0-7918-3748-3
  • Copyright © 2004 by ASME

abstract

The exhaust emissions form a single-cylinder version of a heavy-duty diesel engine with exhaust gas recirculation (EGR) were measured with eight high-cetane components blended into an ultra-low sulphur diesel base fuel. the blending components evaluated were conventional nitrate and peroxide cetane improver additives, paraffins from two sources, three ethers, and soy methyl ester. The blending components were used to increase the cetane number of a base fuel by ten numbers, from 44 to 54. Exhaust emissions were measured using the AVL eight-mode steady-state test procedure. PM and NOx emissions from the engine were fairly insensitive to ignition quality improvement by nitrate and peroxide cetane improvers. Soy methyl ester and two of the ethers, 1,4 diethoxybutane and 2-ethoxyethyl ether, significantly reduced PM emissions, but increased ONx emissions. The two paraffinic blending components reduced both PM and NOx emissions.

Copyright © 2004 by ASME

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