| 预喷射对轻型车用柴油机排放性能的影响 |
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| 引用本文： | 尹必峰,贾和坤,刘胜吉,何建光,徐毅.预喷射对轻型车用柴油机排放性能的影响[J].车用发动机,2011(1):42-45. |
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| 作者姓名： | 尹必峰 贾和坤 刘胜吉 何建光 徐毅 |
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| 作者单位： | 江苏大学汽车与交通工程学院;常柴股份有限公司; |
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| 基金项目： | 江苏省科技成果转化专项资金项目(BA2009060); 江苏省动力机械清洁能源与应用重点实验室开放基金项目(QK08006) |
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| 摘 要： | 以某轻型车用柴油机为样机,研究了预喷射对柴油机排放及燃油经济性的影响.研究表明:采用预喷射可以对燃烧室进行预热.缩短主燃烧滞燃期,降低缸内最高燃烧温度,从而降低NOx的排放,同时炭烟排放及燃油经济性要好于单纯推迟喷油提前角的单次喷射方案;随着预喷油量的增加,NOx炭烟和燃油消耗率都有所上升,预喷提前角对轻型车用柴油机燃...
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| 关 键 词： | 柴油机 高压共轨 预喷射 排放 |
The Influence of Pilot-injection on Diesel Engine Emission for Light-duty Vehicle |
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| YIN Bi-feng,JIA He-kun,LIU Sheng-ji,HE Jian-guang,XU Yi.The Influence of Pilot-injection on Diesel Engine Emission for Light-duty Vehicle[J].Vehicle Engine,2011(1):42-45. |
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| Authors: | YIN Bi-feng JIA He-kun LIU Sheng-ji HE Jian-guang XU Yi |
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| Institution: | YIN Bi-feng1,JIA He-kun1,LIU Sheng-ji1,HE Jian-guang2,XU Yi2(1.School of Automobile and Traffic Engineering,Jiangsu University,Zhenjiang 212013,China,2.Changchai Co.Ltd.,Changzhou 213001,China) |
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| Abstract: | For a diesel engine of light-duty vehicle,the influence of pilot-injection on emission was researched.The result shows that the pilot-injection can preheat the combustion chamber,shorten the ignition delay period and decrease the maximum combustion temperature,which leads to the reduction of NOx emission.Compared with the traditional single injection that delays the injection advance angle only,the soot emission and fuel economy were improved.With the increase of pilot-injection fuel quantity,the NOx,soot a... |
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| Keywords: | diesel engine high-pressure common rail pilot-injection emission |
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