Study of antioxidant effect on oxidation stability and emissions in a methyl ester of neem oil fuelled DI diesel engine |
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| Affiliation: | 1. Department of Mechanical Engineering, Velammal Engineering College, Surapet, Chennai 600066, India;2. Department of Biochemistry, SRM University, Ramapuram, Chennai 600089, India;1. Centre for Energy Sciences, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia;2. School of Mechanical Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysia;3. School of Mechanical and Manufacturing Engineering, University of New South Wales, Kensington, 2033 NSW, Australia |
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| Abstract: | Biodiesel as an alternative diesel fuel prepared from vegetable oils or animal fats has attracted more and more attention because of its renewable and environmental-friendly nature. But biodiesel undergoes oxidation and degenerate more quickly than mineral diesel. Further several studies report NOx emissions increases for biodiesel fuel compared with conventional diesel fuel. In this paper, the experimental investigation of the effect of antioxidant additive (Butylated hydroxytoluene) on oxidation stability and NOx emissions in a methyl ester of neem oil fuelled direct injection diesel engine has been reported. The antioxidant additive is mixed in various proportions (100–400 ppm) with methyl ester of neem oil. The oxidation stability was tested in Rancimat apparatus and emissions, performance in a computerized 4-stroke water-cooled single cylinder diesel engine of 3.5 kW rated power. Results show that the antioxidant additive is effective in increasing the oxidation stability and in controlling the NOx emissions of methyl ester of neem oil fuelled diesel engines. |
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| Keywords: | Biodiesel Butylated hydroxytoluene Antioxidants Oxidation stability Engine emissions |
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