A Study on Engine Performance and Emission Reduction by Ethanol Addition in Compression Ignition Diesel Engine
Journal Title: International Journal of Engineering and Science Invention - Year 2017, Vol 6, Issue 4
Abstract
Using alcohol fuels instead of fossil fuels is encouraging for alternative fuels. However, the use of compression ignition engines has been limited by its low viscosity and cetane number. In this study, fumigation combustion was performed using a dual fuel supply system that supplies diesel fuel through a compression ignition engine and ethanol through a carburetor. As the ethanol feed rate increased compared to pure diesel fuel, Torque, BMEP and BHP were slightly decreased. As the latent heat of vaporization of ethanol is higher than that of diesel and oxygen is sucked due to the role of ethanol as an oxygenate, the generation of CO, HC, and Smoke is less as the ethanol mixture increases compared with the operation of diesel fuel . Ethanol fuel has the effect of lowering the combustion temperature because it has larger latent heat of vaporization than diesel fuel. Therefore, it was found that the effect of reducing NOx is great.
Authors and Affiliations
Sung Bin Han
Keywords
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