2 results listed
In this study, biodiesel produced from safflower oil was used in a diesel engine as pure fuel. It aimed that the presented availability as a diesel fuel of biodiesel. Results presented as engine performance (torque and specific fuel consumption), exhaust emissions (CO, CO2, HC, NOx and smoke opacity), and combustion analysis. According to test results performed at different injection pressures, biodiesel provided a good engine performance at high injection pressure. Similarly, its exhaust emissions which are already good (expected NOx emission) were better due to the increase injection pressure. Biodiesel increased NOx emission at all conditions. Combustion analysis results shown that it has similar combustion characteristics with diesel fuel. Besides, although ignition delay of biodiesel shortened, its combustion duration extended.
International Combustion Symposium
INCOS2018
Murat Ciniviz
Ilker Ors
Ali Kahraman
Bahar Sayin Kul
In this study, effects on engine performance, combustion analysis and exhaust emissions of a ternary fuel blend (diesel-biodiesel-bioethanol) were investigated at different injection pressure in a diesel engine which has single cylinder and direct injection. According to test results, although biofuels decreased engine performance, this negative effect improved noteworthy owing to increased injection pressure. However, both biodiesel and bioethanol increased heat release rate at all conditions. The low cetane number of bioethanol increased ignition delay at all injection pressure. Ternary fuel decreased CO and smoke opacity emissions, although bioethanol and biodiesel increased HC and NOx emissions respectively. Besides, both biodiesel and bioethanol increased exhaust gas temperature at especially high injection pressure.
International Combustion Symposium
INCOS2018
Ilker Ors
Ali Kahraman
Murat Ciniviz
Bahar Sayin Kul