Dynamic Pressure Analysis of High Pressure Fuel Systems

In this paper is presented the dynamic study on the fuel feeding line of a compression ignition two stroke engine with two cylinders. The common rail type feeding line is working on a pressure of 1600 bar. To provide a uniformity of the fuel dosage introduced in the cylinder and a suitable control of fuel mixture realization a study was made of dynamic phenomenons that occur during the openings and closings of the injectors. The mathematic model was calibrated based on the experiments done on the engine.