High Pressure Fuel Injection for High Power Density Diesel Engines

Paper #:
  • 2000-01-1186

Published:
  • 2000-03-06
Citation:
Woods, M., Kamo, R., and Bryzik, W., "High Pressure Fuel Injection for High Power Density Diesel Engines," SAE Technical Paper 2000-01-1186, 2000, https://doi.org/10.4271/2000-01-1186.
Pages:
14
Abstract:
High-pressure fuel injection combustion is being applied as an approach to increase the power density of diesel engines. The high-pressure injection enables higher air utilization and thus improved smoke free low air-fuel ratio combustion is obtained. It also greatly increases the injection rate and reduces combustion duration that permits timing retard for lower peak cylinder pressure and improved emissions without a loss in fuel consumption. Optimization of these injection parameters offers increased power density opportunities. The lower air-fuel ratio is also conducive to simpler air-handling and lower pressure ratio turbocharger requirements. This paper includes laboratory data demonstrating a 26 percent increase in power density by optimizing these parameters with injection pressures to 200 mPa.
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