Study of diesel spray combustion and ignition using high-pressure fuel injection and a micro-hole nozzle with a rapid compression machine: improvement of combustion using low cetane number fuel |
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| Institution: | 1. Department of Cardiology, Odense University Hospital, Odense, Denmark;2. Heart Center, Tampere University Hospital, Tampere, Finland;3. Division of Cardiology, Department of Internal Medicine, Oulu University Hospital, Oulu, Finland;4. Department of Cardiology, Aarhus University Hospital, Aarhus, Denmark;5. Latvian Center of Cardiology, Paul Stradins Clinical Hospital, Riga, Latvia;6. Department of Coronary Heart Disease Lund University, Skane University Hospital, Lund, Sweden;7. Department of Cardiology, Aalborg University Hospital, Aalborg, Denmark;1. CNRS-INSIS, I.C.A.R.E., 1C, Avenue de la recherche scientifique, Orléans cedex 2 45071, France;2. University of Orleans, 1 rue de Chartres, Orléans cedex 2 45067, France;3. CORIA - CNRS, Normandie Université, INSA de Rouen Normandie Rouen 76000, France;4. CNRS-CORIA - INSA de Rouen, Campus du Madrillet, Avenue de l’Université, St-Etienne-du-Rouvray 76801, France;1. Capital University of Science and Technology, Islamabad, Pakistan;2. Advanced System Engineering, Continental Automotive France, Toulouse, France;3. Laboratoire de Mécanique des Fluides et d''Acoustique, Ecole Centrale de Lyon, Ecully, France |
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| Abstract: | This study aimed to reduce NOx and soot by creating a more homogeneous lean fuel distribution in a diesel spray using high-pressure fuel injection and a micro-hole nozzle. This injection system shortened the ignition delay, but a homogeneous lean fuel distribution in the diesel spray was not achieved. Using a lower cetane number fuel, the resulting longer ignition delay made a uniform, lean fuel distribution in the diesel spray possible with this injection system. Ignition and combustion were analyzed by the combustion chamber pressure history, and flame temperatures and KL values were analyzed by the two-color method. |
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