| 天然气成分对发动机性能及排放影响的试验研究 |
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| 引用本文： | 程伟,黄荣华,代称程,顾善愚.天然气成分对发动机性能及排放影响的试验研究[J].内燃机工程,2005,26(5):24-26. |
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| 作者姓名： | 程伟 黄荣华 代称程 顾善愚 |
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| 作者单位： | 1. 华中科技大学,能源与动力工程学院,武汉,430074
2. 东风汽车有限公司,商用车研发中心 |
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| 摘 要： | 在同一台发动机上通过燃用属于同类别的两地天然气的对比试验，研究了天然气（CNG）成分对发动机性能及排放的影响。试验结果表明：天然气成分的差异导致发动机的空燃比发生变化，是造成发动机性能与排放产生较大变化的主要原因，而控制发动机空燃比在较小范围变化，可以减少天然气成分对发动机性能及排放的影响。
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| 关 键 词： | 天然气成分 发动机 排放影响 内燃机 空燃比 |
| 文章编号： | 1000-0925（2005）05-024-03 |
| 收稿时间： | 12 9 2004 12:00AM |
| 修稿时间： | 2004-12-09 |
Test Research on Influence on CNG Composition on Engine Performance and Emissions |
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| CHENG Wei,HUANG Rong-hua,DAI Cheng-cheng,GU Shan-yu.Test Research on Influence on CNG Composition on Engine Performance and Emissions[J].Chinese Internal Combustion Engine Engineering,2005,26(5):24-26. |
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| Authors: | CHENG Wei HUANG Rong-hua DAI Cheng-cheng GU Shan-yu |
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| Affiliation: | CHENG Wei, HUANG Rong-hua, DAI Cheng-cheng, GU Shan-yu (1. College of Energy and Power Engineering, Huazhong University of Science and Technology, Wuhan 430074,China;2. CV R |
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| Abstract: | The influence of CNG composition on engine performances and emissions were studied by the comparison of the same CNG engine test using same grade CNG from two areas. The results of the comparative testing indicates that the differencs of air fuel ratio led to more change of CNG engine performances and emissions. The methods to control accuracy air fuel ratio or to get the CNG composition change in a smaller range are of benefit to engine performances and emissions. |
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| Keywords: | I C Engine Natural Gas Composition Performance Exhaust Emissions |
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