Performance,emissions and combustion characteristics of CI engine fuel with watermelon (Citrullus vulgaris) methyl esters |
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| Authors: | N. Panneerselvam A. Murugesan C. Vijayakumar D. Subramaniam |
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| Affiliation: | 1. Department of Mechanical Engineering, Mahendra Institute of Technology, Mallasamudram, Tiruchengode, Namakkal, Tamil Nadu 637503, India;2. Department of Mechatronics Engineering, K.S. Rangasamy College of Technology, Tiruchengode, Namakkal, Tamil Nadu 637215, India;3. Department of Mechanical Engineering, Haramaya University, Haramaya, Dire Dawa, Ethiopia |
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| Abstract: | In this paper, bio-diesel was prepared from watermelon seed oil by using transesterification processes. The performance, emission and combustion characteristics of the various bio-diesel and diesel blends (B20–B80 and B100) are compared with those of the diesel. The experimental result indicates that owing to a lower heating value of bio-diesel, the brake-specific fuel consumption increased and the brake thermal efficiency decreased. However, bio-diesel and its blends reduced carbon monoxide and hydrocarbon, while the oxides of nitrogen and smoke slightly increased. The combustion analysis proved that increasing bio-diesel blend ratio decreases the cylinder pressure and heat release rate when compared with base diesel. |
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| Keywords: | Watermelon seed oil performance emission combustion bio-diesel |
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