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14 October 2021 The effect of exhaust gas recirculation on engine combustion
Li-wei Han, Guo-xiang Lu, Jian-qiang Ning, Min-qi Zhong, Shao-ling He
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Proceedings Volume 11930, International Conference on Mechanical Engineering, Measurement Control, and Instrumentation; 119303C (2021) https://doi.org/10.1117/12.2611366
Event: International Conference on Mechanical Engineering, Measurement Control, and Instrumentation (MEMCI 2021), 2021, Guangzhou, China
Abstract
Facing the goals of carbon emission peak target and carbon neutral, exhaust gas recirculation (EGR) technology will be one of the widely used engine technologies. It is significant to study the effect of exhaust gas recirculation on engine combustion and performance. In this paper, some related experiments were investigated on a certain 1.5L engine. The EGR temperature has a certain effect on the engine intake temperature. With the increase of EGR temperature, the fuel consumption rate increases, but the increase range is not large. When the EGR temperature increases from 60℃ to 100℃, the fuel consumption rate increases by 0.5%. With the increase of EGR temperature, the knocking intensity gradually increases, which can results a post-correction angle of ignition advance angle, and a very slight increase of the combustion duration.
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Li-wei Han, Guo-xiang Lu, Jian-qiang Ning, Min-qi Zhong, and Shao-ling He "The effect of exhaust gas recirculation on engine combustion", Proc. SPIE 11930, International Conference on Mechanical Engineering, Measurement Control, and Instrumentation, 119303C (14 October 2021); https://doi.org/10.1117/12.2611366
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KEYWORDS
Combustion
Cooling systems
Thermal efficiency
Performance modeling
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