Abstract
The influence of metal-based nanomaterial Titanium Dioxide (TiO2) nanoparticles and ethanol (C2H5OH) on engine performance and emission were studied. Various fuel blend ratios were created using TiO2 nanoparticles, diesel, biodiesel, and ethanol. The fuels used in the tests were diesel (D100) as baseline fuel, BD30D69E1 termed as fuel E1, BD30D68E2 termed as fuel E2, BD30D67E3 termed as fuel E3, BD30D66E4 termed as fuel E4, and BD30D65E5 termed as fuel E5. The test was performed on a 3.7 kW, single cylinder, water-cooled, diesel engine with a constant speed of 1500 RPM and varying load conditions. The outcomes of the study showed that the Brake specific fuel consumption was reduced for low load 5 % whereas increase for higher load up to 17 % and brake thermal efficiency improved and increased 6 % for higher load condition. Moreover, TiO2 additive improves engine performance and decreases CO 30 % and HC 6–21 %, CO2, smoke, and NOx emissions reduces in comparison to diesel whereas increased up to 18–70 % with the load and ethanol percentage in the blends.
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