Open AccessInfluence of duration and fuel injection pressure on two stroke gasoline direct injection engine performance
Author(s) -
Darwin Rio Budi Syaka,
G Margono,
A T Tyasmadi,
Totok Dewantoro
Publication year - 2021
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/1098/6/062090
Subject(s) - automotive engineering , petrol engine , fuel injection , integrated engine pressure ratio , brake specific fuel consumption , vapor lock , internal combustion engine , crankshaft , environmental science , engine control unit , engine power , tachometer , combustion , combustion chamber , power (physics) , engineering , engine coolant temperature sensor , mechanical engineering , electrical engineering , chemistry , dc motor , physics , organic chemistry , quantum mechanics
The 2-stroke gasoline engines produce high air pollution because there is fuel wasted directly into the exhaust during the scavenging process. Solution to overcome the problem of pollution and improve engine performance is changing the fuel system into a direct injection fuel system. This study aims to determine the performance characteristics (power and torque) of two stroke gasoline direct injection engine in variations in injection duration and fuel pressure entering the combustion chamber with fixed injection timing 85° before TDC. The timing of fuel injection is carried out by a solenoid valve which is regulated using a disc board mounted on a crankshaft and detected by infrared sensors. Variations in the degree of duration of injection testing are 45°, 55° and 65°, in variations of fuel pressure of 6 bars, 7 bars and 8 bars The tools used for data collection are pressure gauge to measure fuel pressure and a tachometer is used to measure engine speed and engine torque measured by Prony brake. The results of this study indicate that increasing the duration and fuel pressure will increase power but do not directly affect the increase in torque, both because there is a certain duration and pressure which results in maximum performance.