JJEM: Special Edition 1 (December 2023)
JJEM: Special Edition 1 (December 2023)
2023-12-08
Comparison of Performance Analysis and Emission Characteristics of Conventional and Piezoelectric Fuel Injection.
Pradeep N R and Hemanna K B
In this study, we conducted experimental investigations using a single four-stroke water-cooled DICI engine. We tested it in two modes: conventional direct injection and high-pressure piezoelectric direct injection, using both diesel and Pupae-biodiesel as fuels. We compared the performance and emission characteristics of the mechanical direct injection (MDI) engine under varying load conditions with the high-pressure piezoelectric direct fuel injection (PDI) system engine, considering both neat diesel and biodiesel. During the tests, the engine was operated at a constant speed of 1500 rpm, and load conditions were adjusted accordingly. We maintained the optimum injection timing and injection pressure for the experiments. In the MDI mode, we used an injection timing of 23° CA for both diesel and biodiesel. In the PDI mode, we used 11° CA for both diesel and biodiesel. Injection pressures were set at 260 bar for MDI and 1200 bar for PDI, irrespective of the fuel type (diesel or biodiesel).
Pupae-biodiesel, Mechanical Direct Injection, Piezoelectric Direct Fuel Injection.