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ABSTRACT
The aim of the present research is to investigate the emission characterics of the engine using neem oil methyl ester (N100) with higher alcohol. The N100 is mixed with pentanol by varying the percentage from 10 to 20. The emission parameter such as hydrocarbon(HC), nitrox oxide(NOx) and carbon monoxide(CO) was measured at various load conditions using the gas analyzer. Nitrox oxide and CO content increase with increasing the load but HC content decreases up to half load conditions and then it decreases with increasing load. By doping 20% of pentanol to neem oil biodiesel shows 2.3 and 4.2% reduction in HC and CO than neat biodiesel at all loads respectively. In addition, by doping 20% of pentanol to neem oil biodiesel shows 3.3 and 4.7% reduction in smoke and NOX emissions than neat biodiesel at all loads respectively. Further, the operation of the engine is smooth and no visible damage in engine parts were noticed.
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Disclosure statement
No potential conflict of interest was reported by the authors.