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Position: Home > Articles > Study on Variation Rules of Intake and Exhaust Pressure Waves for Turbocharged Diesel Engine——Based on One-dimension Simulation Journal of Agricultural Mechanization Research 2013 (12) 193-199

增压柴油机进排气压力波变化规律研究——基于一维仿真模型

作者：

梁澄清;文华;姜水生;林宇星

单位：

南昌大学

关键词：

涡轮增压柴油机;进气压力波;排气压力波;一维仿真

摘要：

使用Boost软件建立起一款增压柴油机工作过程的一维计算模型,并利用发动机台架实验数据对该模型进行了标定和验证,进而在确保模型满足误差要求的情况下,通过该模型计算得到了实验难以获取的气门位置的进排气压力波信息;结合柴油机实际特点,对这些不同工况下的进排气压力波的变化规律进行了归纳比较及合理性分析,并与相应工况下缸内压力进行了比较;最后,基于理想进排气压力波的关键要素要求,指出了进一步优化进排气压力波的必要性,并提出了优化的初步方向及具体措施。研究工作表明了一维仿真研究进排气压力波的可行性、实用性和准确性。

译名：

Study on Variation Rules of Intake and Exhaust Pressure Waves for Turbocharged Diesel Engine——Based on One-dimension Simulation

作者：

Liang Chengqing,Wen Hua,Jiang Shuisheng,Lin Yuxing(Nanchang University,Nanchang 330031,China)

关键词：

turbocharged diesel engine;intake pressure wave;exhaust pressure wave;one-dimesion simulation

摘要：

Using the boost software,computational simulation model of one-dimension for the work process of a turbocharged diesel engine was created,and for the accuracy of the simulation,the model was calibrated and verified by using the base engine experiment data.With the model,we got the intake and exhaust pressure wave information which were not easily got by these base experiments at positions of valves.With the actual characteristics of the diesel engine,the pressure waves of different cases was inductive compared and analysed,and comparison between pressure waves and cylinder was made.At last,base on the requirement of ideal of intake and exhaust pressure wave,we not only point out the necessity of improving intake and exhaust pressure wave,and also give suggestions of improving the intake and exhaust wave.The research shows the feasibility,practicability and accuracy of studying on pressure wave by one-dimension model.

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增压柴油机进排气压力波变化规律研究——基于一维仿真模型

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