Combustion and Emission Analysis of IDI-Diesel Engine operated with Neat Mahua Methyl Ester (MME) blended with Methanol as an Additive

Mahua methyl ester with methanol additive having higher latent heat and lower calorific value was tested on an IDI engine. This is to ensure both low temperature combustion and combustion dilution. Combustion pressure data was collected and the net and cumulative heat release rates have been calculated to analyze combustion in both the combustion chambers. Engine emissions and performance were studied to study the possibility of totally replacing the conventional diesel with the combination of the fuel tested. IDI engines are known for better performance in total combustion in the combustion chambers in succession and hence reduce HC emission to minimum level. The combo of 3% methanol additive in the bio-diesel proved better in gaining advantage in all aspects comprehensively leading to a conclusion to replace diesel fuel with the combo of the fuel tested.