Experimental study on EGR electronically controlled cooling system in diesel engine

被引：0
|
作者：
Li, Ai-Juan [1 ,2 ]
Guo, Xin-Min [1 ]
Liu, Gang [3 ]
Niu, Hua-Wu [1 ]
Sun, Xin-Nian [1 ]
机构：
[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, China
[3] Electricity Project Limited Company of Chinese Railway Tenth Group, Jinan 250000, China
来源：
Neiranji Xuebao/Transactions of CSICE (Chinese Society for Internal Combustion Engines) | 2009年 / 27卷 / 01期
关键词：
Cooling systems - Thermoelectric equipment - Cooling water - Temperature control - Smoke abatement - Cooling - Nitrogen oxides - Smoke;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
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 the control system could effectively reduce the NOx, smoke and oil consumption while slightly increasing CO and HC emissions.
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页码：55 / 61
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