Fuel and Combustion

Fuel and Combustion

Experimental Investigating the mutual effects of bioethanol, acetone and n-butanol as gasoline fuel additives on the performance and emissions of a spark ignition engine

Document Type : Original Article

Authors
Hadi Ghaebi 1
Sina Faizollahzadeh Ardabili 2
Hossein Babazadeh 1
1 UMA
2 Department of Biosystem engineering, university of Mohaghegh Ardabili, Ardabil, Iran
10.22034/jfnc.2024.435996.1371
Abstract
The general goal of this research is to find the right fuel composition containing bioethanol, gasoline, acetone and n-butanol in order to increase engine performance and reduce engine pollutants and energy production costs. In this research, in order to use sample fuels, a single cylinder engine was coupled with a 5kWh generator. A TDGC2-5kVA type variable resistor and a 1kW heater were used to load the motor. By measuring the power of the motor, the amperage and voltage of the electricity were measured. It should be noted that the engine test was performed at full load (100% load) and a fixed speed of 1500 rpm as the rated speed of the engine. Based on the obtained results, adding n-butanol from 2 to 5% caused a relative decrease and from 5 to 7% caused a relative increase in braking power. The lowest amount of braking power was obtained in the range of combined additives of bioethanol and n-butanol without acetone. The highest amount of braking power was obtained in the highest percentage of n-butanol, acetone and bioethanol additives in the gasoline fuel sample. In this interval, the thermal efficiency was also higher than the control fuel sample and the special braking fuel consumption was also lower than the control fuel sample. The highest amount of nitrogen monoxide emission was relatively in the sample of fuels containing combined additives of bioethanol and n-butanol. The lowest amount of nitrogen monoxide emission occurred in the fuel sample containing the combination of bioethanol and acetone. By adding n-butanol to fuel samples, the emission of nitrogen oxides increased. The results also showed that the effects of these additives can be highly dependent on engine design, operating conditions, and the specific blend ratios used. This research paves the way for several future research directions in the field of alternative fuel additives and spark ignition engines.
Keywords
Fuel additives
bioethanol
spark ignition engine
n-butanol
acetone

Subjects

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