The DI (Direct Injection) Diesel engine, which is inherently capable of achieving very low CO2 emissions, is affected by PM (Particulate Matter) that is the typical emission of turbulent diffusion flames and has the drawback of high NOx (nitrogen oxides) emissions. In Europe, the recent progress of diesel technology allows complying, with difficulty, with the EURO IV stage of European light duty vehicles regulation and limits planned for 2008 seem at the moment unachievable without a strong and innovative improvement of the combustion system configuration. In the present paper a new concept of highly diluted and low temperature combustion is presented and analyzed. In particular the mechanism of soot suppression at low flame temperature is achieved by the use of high-rate cooled exhaust gas recirculation. Tests were carried out on a medium duty engine equipped with a mechanical in-line injection pump and two modem common rail prototypes engines.
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ASME 2002 Internal Combustion Engine Division Fall Technical Conference
September 8–11, 2002
New Orleans, Louisiana, USA
Conference Sponsors:
- Internal Combustion Engine Division
ISBN:
0-7918-4662-8
PROCEEDINGS PAPER
Looking at New Concepts for Ultra-Low Emission Diesel Combustion System
Carlo Beatrice,
Carlo Beatrice
Istituto Motori CNR, Napoli, Italy
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Claudio Bertoli,
Claudio Bertoli
Istituto Motori CNR, Napoli, Italy
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Nicola Del Giacomo,
Nicola Del Giacomo
Istituto Motori CNR, Napoli, Italy
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Marianna Migliaccio
Marianna Migliaccio
Istituto Motori CNR, Napoli, Italy
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Carlo Beatrice
Istituto Motori CNR, Napoli, Italy
Claudio Bertoli
Istituto Motori CNR, Napoli, Italy
Nicola Del Giacomo
Istituto Motori CNR, Napoli, Italy
Marianna Migliaccio
Istituto Motori CNR, Napoli, Italy
Paper No:
ICEF2002-486, pp. 79-87; 9 pages
Published Online:
January 22, 2009
Citation
Beatrice, C, Bertoli, C, Del Giacomo, N, & Migliaccio, M. "Looking at New Concepts for Ultra-Low Emission Diesel Combustion System." Proceedings of the ASME 2002 Internal Combustion Engine Division Fall Technical Conference. Design, Application, Performance and Emissions of Modern Internal Combustion Engine Systems and Components. New Orleans, Louisiana, USA. September 8–11, 2002. pp. 79-87. ASME. https://doi.org/10.1115/ICEF2002-486
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