| 模拟计算和试验研究在柴油机改进过程中的应用 |
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| 引用本文： | 黄流军,郭一鸣. 模拟计算和试验研究在柴油机改进过程中的应用[J]. 柴油机, 2009, 31(5): 14-18 |
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| 作者姓名： | 黄流军 郭一鸣 |
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| 作者单位： | 湖北汽车工业学院,湖北十堰,442002 |
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| 摘 要： | 以优化燃烧过程、改善排放性能为目标，对某重型柴油机进行改进。将原机所配机械直列喷油泵升级为电控单体泵。应用气相喷注模型，对喷嘴流量和锥角进行了预选。通过试验对其他参数进行了优化标定，确定了优化方案。试验表明，该优化方案的排放性能满足国Ⅲ标准，达到了预定目标。
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| 关 键 词： | 重型柴油机 电控单体泵 气相喷注 试验 优化方案 |
Simulating Calculation and Experimental Investigations on Improvement of Diesel Engine |
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| Huang Liujuan,Guo Yiming. Simulating Calculation and Experimental Investigations on Improvement of Diesel Engine[J]. Diesel Engine, 2009, 31(5): 14-18 |
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| Authors: | Huang Liujuan Guo Yiming |
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| Affiliation: | Huang Liujuan,Guo Yiming(Hubei Automotive Industries Institute,HubeiShiyan 442002) |
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| Abstract: | Improvement was carried out on a model of heavy duty diesel engine to optimize combustion process and emissions.Its original mechanical in-line fuel injection pump was improved into EUP.Using gaseous phase spout model to realize preselection of nozzel flow and angle.Through tests,other parameters are optimized and calibrated,and the optimization program is determined.Experiments results show that this optimization program can satisfy national standard Ⅲ and reach the predetermined target. |
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| Keywords: | heavy duty diesel engine EUP gaseous phase spout experiment optimization program |
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