The effects of simulated EGR via intake air dilution on combustion in an optically accessible di diesel engine

David L. Mitchell, John A. Pinson, Thomas Litzinger

Research output: Contribution to conferencePaperpeer-review

35 Scopus citations

Abstract

An experiment was performed using an optically accessible direct injection (DI) diesel engine to investigate the effects of exhaust gas recirculation (EGR) on diesel combustion. EGR was simulated using nitrogen and carbon dioxide as intake air diluents. Timing was adjusted to maintain constant start of combustion for all cases. Both diluents were found to be effective in reducing emissions of oxides of nitrogen. Soot emission was not changed by the addition of nitrogen; however, carbon dioxide substantially reduced soot emission while simultaneously reducing NOx emissions. NOx is reduced by intake air dilution is a change in flame temperature.

Original languageEnglish (US)
DOIs
StatePublished - Dec 1 1993
EventFall Fuels and Lubricants Meeting and Exposition - Philadelphia, PA, United States
Duration: Oct 18 1993Oct 21 1993

Other

OtherFall Fuels and Lubricants Meeting and Exposition
CountryUnited States
CityPhiladelphia, PA
Period10/18/9310/21/93

All Science Journal Classification (ASJC) codes

  • Automotive Engineering
  • Safety, Risk, Reliability and Quality
  • Pollution
  • Industrial and Manufacturing Engineering

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