This paper introduces the layout of exhaust gasrecirculationsystem in parallel with venturi tube of YC6105ZLQ diesel engines, basic principles and dimension calculation on venturi tube.
The key to an EGR system is introduced, and the control of exhaust gas quantity recirculation quantity of that in every point at best.
EGR系统的关键就是控制废气的引入量，使废气的再循环量在每一个工作点都达到最佳状况。
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A check valve exhaust gasrecirculation (EGR) system, which makes effective use of intake and exhaust pressure waves, was proposed for turbocharged diesel engines.