| 柴油机掺烧DMM的燃烧和排放性能影响研究 |
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| 引用本文： | 朱瑞军,王锡斌,苗海燕,黄佐华,蒋德明.柴油机掺烧DMM的燃烧和排放性能影响研究[J].内燃机学报,2009,27(4). |
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| 作者姓名： | 朱瑞军 王锡斌 苗海燕 黄佐华 蒋德明 |
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| 作者单位： | 西安交通大学,动力工程多相流国家重点实验室,陕西,西安,710049 |
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| 基金项目： | 国家自然科学基金，国家自然科学基金创新研究群体基金 |
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| 摘 要： | 研究了柴油掺混不同比例二甲氧基甲烷(0～50%DMM)对柴油机燃烧和排放性能的影响.结果表明,在发动机燃油和燃烧系统不作变动的条件下,随着二甲氧基甲烷在柴油中添加比例的增加,排气烟度逐步下降,有效燃油消耗率有所增加,但折算成当量柴油的有效燃油消耗率降低,热效率增加.同一工况下,发动机排气碳烟和CO排放随二甲氧基甲烷的加入而降低,NOx则无明显的上升,HC排放随着二甲氧基甲烷的增加略有增加.混合燃料的放热规律与纯柴油相比预混燃烧量增加,扩散燃烧速率加快,发动机最高燃烧压力、放热率偏高.柴油掺混30%DMM的混合燃料能够取得较好的燃油经济性和排放水平.
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| 关 键 词： | 热效率 排放 燃烧 柴油机 |
Investigation on the Performance and Emissions of Direct Injection Diesel Engine Fuelled with Diesel-DMM Blends |
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| ZHU Rui-jun,WANG Xi-bin,MIAO Hai-yan,HUANG Zuo-hua,JIANG De-min.Investigation on the Performance and Emissions of Direct Injection Diesel Engine Fuelled with Diesel-DMM Blends[J].Transactions of Csice,2009,27(4). |
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| Authors: | ZHU Rui-jun WANG Xi-bin MIAO Hai-yan HUANG Zuo-hua JIANG De-min |
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| Affiliation: | State Key Laboratory of Multiphase Flow in Power Engineering;Xi'an Jiaotong University;Xi'an 710049;China |
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| Abstract: | Combustion,performance and emissions were studied for a DI diesel engine fuelled with DMM/diesel blends with DMM content from 0 to 50%.Results showed that,without changing the fuel supply system and the combustion system of a diesel engine,when using blended fuel with increased DMM percentage,BSFC is increased because the heating value of DMM is lower than that of diesel,while thermal efficiency increases a little.Smoke and CO emissions decrease while NOx emission remains almost unchanged but HC emission in... |
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| Keywords: | DMM Thermal efficiency Emissions Combustion DMM Diesel engine |
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