Influence of hydrogen co-combustion with diesel fuel on performance,smoke and combustion phases in the compression ignition engine |
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| Affiliation: | 1. Vilnius Gediminas Technical University, Faculty of Transport Engineering, J. Basanaviciaus 28, LT-03224 Vilnius, Lithuania;2. Czestochowa University of Technology, Faculty of Mechanical Engineering and Computer Science, Dabrowskiego 69 street, 42-201 Czestochowa, Poland;1. Bangladesh Power Development Board, Ministry of Power, Energy and Mineral Resources, Power Division, Bangladesh;2. Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia;3. Department of Mechatronics Engineering, International Islamic University Malaysia, Jalan Gombak, 53100 Kuala Lumpur, Selangor, Malaysia;1. Cukurova University, The Faculty of Engineer?ng, Automotive Engineering, Adana, Turkey;2. Cukurova University, Institute of Natural and Applied Sciences, Automotive Engineering, Adana, Turkey |
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| Abstract: | The main objective of this study was to examine impact of hydrogen addition to the compression ignition engine fueled with either rapeseed methyl ester (RME) or 7% RME blended diesel fuel (RME7) on combustion phases and ignition delay as well as smoke and exhaust toxic emissions. Literature review shows in general, hydrogen in those cases is used in small amounts below lower flammability limits. Novelty of this work is in applying hydrogen at amounts up to 44% by energy as secondary fuel to the compression ignition engine. Results from experiments show that increase of hydrogen into the engine makes ignition delay shortened that also affects main combustion phase. In all tests the trends of exhaust HC and CO toxic emissions vs. hydrogen addition were negative. The trend of smokiness decreased steadily with increase of hydrogen. Amounts of hydrogen addition by energy share were limited to nearly 35% due to combustion knock occurring at nominal load. |
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| Keywords: | Hydrogen Diesel fuel Vegetable oil Engine Combustion Emission |
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