Characterization of a high-pressure diesel fuel injection system as a control technology option to improve engine performance and reduce exhaust emissions
National Aeronautics and Space Administration, 1983 - 37 pages
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100 pL/injection 20°/div Figure 2500 RPM Beginning 28 MPa supply 4.14 MPa/div Pinj accumulator supply pressure accumulator supply pump Beginning of Injection BSCO BSFC BSHC BSNOX BSPM BTC CYLPEAK BTC INPEAK carbon monoxide cathode ray tube CM CM CM cycle cylinder gas pressure cylinder pressure diesel engine duration of injection electro-hydraulic injector Electro-Hydraulic Nozzle electro-hydraulic system electronically controlled end of injection engine performance ERPM filter fuel injection system g/kW-hr higher loads hole nozzle hydraulic injection characteristic intensifier piston kPa BMEP Lewis Research Center mechanical system MPa Injector Configuration MPa supply pressure NASA nozzle valve organic mass fraction oxides of nitrogen Pcyl peak injection pressure percent lower point of peak Pressure of 28 pressure rise rate of injection Readjusted reduced sequence of tests shown in figure solenoid valves solid mass fraction soluble organic fraction soluble organic mass supply pump pressure Test results top dead center total particulates