Study on production, characterisation and utilisation of neem biodiesel as green fuel for compression ignition engine Online publication date: Tue, 22-Dec-2020
by Bheru Lal Salvi; Sudhakar Jindal
International Journal of Renewable Energy Technology (IJRET), Vol. 11, No. 3, 2020
Abstract: This work is aimed on preparation of neem (Azadirachta indica) biodiesel and its utilization in compression ignition engine. The neem bio-diesel (NB) was prepared by two stage trans-esterification and about 88% yield was obtained. The NB so obtained has higher viscosity and density, while slightly lower calorific value as compared to diesel. The blends of NB up to 20 vol.% (NB20) with petro-diesel were found to have nearly similar viscosity to that of petro-diesel. The study revealed that start of combustion was delayed, while the duration of combustion in degree crank angles increased with increase in NB in blends up to NB20. The use of NB20 had marginal effect on brake specific fuel consumption; the brake thermal efficiency is slightly improved, while smoke opacity decreased. The analysis of CO2 generated shows that use of NB20 led to savings in CO2 emission by 0.1414 kg per kWh of power generated.
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