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The effects of density, cetane index, aromatics, poly aromatics and T90 on emissions were studied in two light-duty diesel vehicles. The fuel properties were varied independently using a de-coupled fuel matrix to understand the effects. The results show that density and cetane index are most influential for CO, HC and particulate. Density had a bigger influence in the J.10.15 mode, whereas cetane...
An electronically controlled fuel injection system was developed for RV diesel engines. The electronic control substantially improves accuracy of injected fuel quantity and injection timing. The developed injection nozzle has a built-in piezoelectric element to detect the actual timing of injection. In combination with this, a signal from a sensor allows more accurate engine control without being...