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Characterization of partially premixed combustion
Lunds Tekniska Högskola, Värme- och kraftteknik.
2006 (English)In: SAE, Session: Diesel Engine Experiment (Part 2 of 3), 2006Conference paper, Published paper (Refereed)
Abstract [en]

Partially Premixed Combustion (PPC) provides the potential of simultaneous reduction of NOx and soot for diesel engines. This work attempts to characterize the operating range and conditions required for PPC. The characterization is based on the evaluation of emission and in-cylinder measurement data of engine experiments. It is shown that the combination of low compression ratio, high EGR rate and engine operation close to stoichiometric conditions enables simultaneous NOx and soot reduction at loads of 8bar, 12bar, and 15bar IMEP gross. The departure from the conventional NOx-soot trade-off curve has to be paid with a decline in combustion efficiency and a rise in HC and CO emissions. It is shown that the low soot levels of PPC come along with long ignition delay and low combustion temperature. A further result of this work is that higher inlet pressure broadens the operating range of Partially Premixed Combustion.

Place, publisher, year, edition, pages
2006.
Series
SAE Technical papers, 2006-01-3412
Keyword [en]
CO emissions, Combustion efficiencies, Combustion temperatures, Engine operations, Ignition delays, Inlet pressures, Measurement data, Operating ranges, Partially premixed combustion, Simultaneous reduction, Trade-off curves
National Category
Mechanical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-177583DOI: 10.4271/2006-01-3412Scopus ID: 2-s2.0-53349159676OAI: oai:DiVA.org:kth-177583DiVA: diva2:873448
Conference
Powertrain & Fluid Systems Conference and Exhibition, Toronto, ON, CANADA, 16 October 2006 through 19 October 2006
Note

QC 20151124

Available from: 2015-11-24 Created: 2015-11-24 Last updated: 2015-11-24Bibliographically approved

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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
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Output format
  • html
  • text
  • asciidoc
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