| Investigation to meet China Ⅱ emission legislation for marine diesel engine with diesel methanol compound combustion technology |
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| 引用本文： | Hui Wang,Anren Yao,Chunde Yao,Bin Wang,Taoyang Wu,Chao Chen. Investigation to meet China Ⅱ emission legislation for marine diesel engine with diesel methanol compound combustion technology[J]. 环境科学学报(英文版), 2020, 32(10): 99-108 |
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| 作者姓名： | Hui Wang Anren Yao Chunde Yao Bin Wang Taoyang Wu Chao Chen |
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| 作者单位： | 1. State Key Laboratory of Engines,Tianjin University;2. School of Environmental Engineering of Tianjin University |
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| 基金项目： | financial support provided by the Natural Science Foundation of China (No.51676134)； |
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| 摘 要： | In order to reduce the pollutant emission and alleviate the pressure of petroleum resources shortage and greenhouse gas emission at the same time,the use of clean and renewable alternative fuel for marine engines is a promising option.In this study,a marine diesel engine,which was modified to run in diesel methanol compound combustion (DMCC) mode,was investigated.After the diesel injection parameters were calibrated,and combined with a sample after-treatment device DOC (diesel oxidation catalyst...
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| 收稿时间： | 2019-10-13 |
Investigation to meet China II emission legislation for marine diesel engine with diesel methanol compound combustion technology |
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| Hui Wang,Anren Yao,Chunde Yao,Bin Wang,Taoyang Wu,Chao Chen. Investigation to meet China II emission legislation for marine diesel engine with diesel methanol compound combustion technology[J]. Journal of environmental sciences (China), 2020, 32(10): 99-108 |
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| Authors: | Hui Wang Anren Yao Chunde Yao Bin Wang Taoyang Wu Chao Chen |
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| Affiliation: | State Key Laboratory of Engines, Tianjin University, Tianjin 300072, China;School of Environmental Engineering of Tianjin University, Tianjin 300072, China |
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| Abstract: | In order to reduce the pollutant emission and alleviate the pressure of petroleum resources shortage and greenhouse gas emission at the same time, the use of clean and renewable alternative fuel for marine engines is a promising option. In this study, a marine diesel engine, which was modified to run in diesel methanol compound combustion (DMCC) mode, was investigated. After the diesel injection parameters were calibrated, and combined with a sample after-treatment device DOC (diesel oxidation catalyst), the engine could meet the requirements of China II legislation. The overall MSP (methanol substitute percent) reached 54.1%. The value of each pollutant emission was much lower than that in China II emission legislation, and there was almost no methanol and formaldehyde emissions. When methanol was injected into the inlet manifold, the intake air temperature decreased a lot, as well as the exhaust gas temperature, which were beneficial to increase engine thermal efficiency and improve engine room environment. Compared with the engine running in pure diesel mode, when the engine ran in diesel/methanol dual fuel mode, the combustion phase was advanced, and the combustion duration became shorter. Therefore, the engine thermal efficiency increased, and fuel consumption decreased significantly. |
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| Keywords: | Corresponding author. Marine engine Diesel methanol compound combustion Dual fuel Combustion Emission |
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