A new diesel oxygenate additive and its effects on engine combustion and emissions |
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| Affiliation: | 1. School of Energy and Power Engineering, Xi’an Jiaotong University, Xi’an, People’s Republic of China;2. Xi’an Research Institute of High Technology, Xi’an, People’s Republic of China;1. College of Mechanical Engineering, Guangxi University, Nanning 530004, China;2. Sir Joseph Swan Institute for Energy Research, Newcastle University, Newcastle Upon Tyne NE1 7RU, UK;1. Department of Shipping and Marine Technology, Chalmers University of Technology, 412 96 Gothenburg, Sweden;2. IVL Swedish Environmental Research Institute, PO Box 5302, 400 14 Gothenburg, Sweden;1. Key Laboratory of Medical Virology, Ministry of Health, National Institute for Viral Disease Control and Prevention, China CDC, Beijing 102206, China;2. Institute of Laboratory Animal Sciences, Chinese Academy of Medical Sciences (CAMS) & Comparative Medicine Center, Peking Union Medical Collage (PUMC), Key Laboratory of Human Disease Comparative Medicine, Ministry of Health, Beijing, China;3. CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China;4. Department of Pathogenic Biology, Hebei Medical University, Shijiazhuang 050017, China |
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| Abstract: | 2-methoxyethyl acetate (MEA) can be used to decrease exhaust smoke as a new oxygenated additive of diesel. Several fuel blends which containing 10%, 15% and 20% MEA were prepared. The effects of MEA on engine’s power, fuel economy, emissions and combustion characteristics were studied on a single cylinder DI diesel engine. Under the same speed and load conditions, the maximum cylinder pressure decreases when fueled with the blends, while the ignition delays and the combustion duration becomes shorter. The engine emissions of smoke, HC and CO are reduced when MEA is added in diesel. However, MEA has a little effect on NOx emissions. When fueled with MEA15, the coefficient of light absorption of smoke opacimeter decreases about 50% with expense of 5% power, and the engine’s thermal efficiency increases about 2%. |
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