| 柴油机 EGR 电控冷却系统试验研究 |
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| 引用本文： | 李爱娟,郭新民,刘刚,牛化武,孙新年. 柴油机 EGR 电控冷却系统试验研究[J]. 内燃机学报, 2009, 27(1): 55-61 |
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| 作者姓名： | 李爱娟 郭新民 刘刚 牛化武 孙新年 |
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| 作者单位： | 山东农业大学,机械与电子工程学院,山东,泰安,271018;南京航空航天大学能源与动力学院,江苏,南京,210016;山东农业大学,机械与电子工程学院,山东,泰安,271018;中铁十局集团电务工程有限公司,山东,济南,250000 |
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| 基金项目： | 山东省教育厅资助项目 |
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| 摘 要： | 研究了 CA498 柴油机在不同工况下EGR冷却温度对NOx等排放的影响规律,确定了各个工况下EGR的最佳冷却温度,据此设计出一套EGR冷却温度控制装置,可以通过单片机控制伺服电动水泵的转速来调节冷却水的循环量,确保不同工况下的最佳EGR冷却温度.将该电控冷却系统在CA498柴油机上进行了试验.结果表明,与未冷却的EGR系统相比,该EGR电控冷却系统在c0和Hc的排放略有增加的情况下,可以有效地降低NOx的排放、烟度和油耗率.
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| 关 键 词： | 柴油机 EGR 冷却系统 控制装置 |
Experimental Study on EGR Electronically Controlled Cooling System in Diesel Engine |
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| LI Ai-juan,,GUO Xin-min,LIU Gang,NIU Hua-wu,SUN Xin-nian. Experimental Study on EGR Electronically Controlled Cooling System in Diesel Engine[J]. Transactions of Csice, 2009, 27(1): 55-61 |
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| Authors: | LI Ai-juan GUO Xin-min LIU Gang NIU Hua-wu SUN Xin-nian |
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| Affiliation: | 1.Mechanical and Electrical Engineering College;Shandong Agricultural University;Tai'an 271018;China;2.Energy and Power Engineering College;Nanjing University of Aeronautics and Astronautics;Nanjing 210016;3.Electricity Project Limited Company of Chinese Railway tenth Group;Jinan 250000;China |
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| Abstract: | The influence of EGR cooling temperature on NOx emission was studied under different operation conditions in CA498 diesel engine,and the optimum EGR cooling temperature was obtained under different operation conditions.An EGR cooling temperature control device is designed and the temperature is controlled by regulating the rotating speed of the accessional electric servo pump and ensures the optimum EGR cooling temperature.The flux of cooling water is controlled by the water pump.Testing result showed that ... |
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| Keywords: | EGR |
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