Journal
FUEL
Volume 174, Issue -, Pages 89-96Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2016.01.076
Keywords
Neat lemongrass oil; Diesel; Antioxidants; Performance; Emission
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In this experimental investigation, the effect of antioxidant additives on the performance and the exhaust emissions of a computerized single cylinder direct injection compression ignition (DICI) engine has been studied. The test fuel used in this study was neat lemongrass oil (LGO)-diesel blend. Neat lemongrass oil is a new alternate fuel used in a diesel engine. Antioxidant additives butylated hydroxyanisole (BHA) and butylated hydroxytoluene (BHT) were individually dissolved at concentrations of 500, 1000, 2000 ppm by weight in LGO25 blend (75% diesel + 25% neat lemongrass oil by % volume). The emission results showed a significant reduction of NOx at the expense of increasing CO, Smoke and HC emissions. The addition of BHA at 2000 ppm with LGO25 exhibited a maximum reduction of NOx by 11% than LGO25 without any antioxidant additives. The results showed that LGO25 with antioxidant additives produced an increase in Brake thermal efficiency (BTE) and decrease in exhaust gas temperature (EGT) and specific fuel consumption (BSFC). BHA antioxidant additive exhibits a better stability than BHT in LGO25 fuel. Thus, LGO25 with added antioxidants can be used in diesel engines without any modification. (c) 2016 Elsevier Ltd. All rights reserved.
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