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Research for nonlinear turbulent combustion control in common rail diesel engine by new injection control strategies

  • Yongfeng Liu*
  • , You Tong Zhang
  • , Qinghui Xiong
  • , Xiaoliang Ding
  • *此作品的通讯作者
  • Beijing Institute of Technology
  • Beijing University of Civil Engineering and Architecture

科研成果: 书/报告/会议事项章节 › 会议稿件 › 同行评审

摘要

To control cylinder pressure in diesel engine multiple injections is presented by using new control strategy. The improvements of the solenoid injector and of the electronic control unit of the present common rail (CR) injection system allow the use of multiple sequential injections. Two injections are included in the new injection strategies. The first injection is the pre-injection and at 33 CAD(Crank angle degree) BTDC (before top dead center) , whose duration time is 110μs. The second injection is the main injection at five different angles, whose duration time is 1000μs. Thus, little diesel is ignited first and the temperature is decreased in the cylinder. Much diesel is ignited later and large torque is got. This paper describes the experimental results obtained with the application of a prototype of this advanced common rail system to a 4JB1 eight-valve four-cylinder engine. Multidimensional modeling of the combustion process and heat release rate was also employed to interpret the trends observed in the experiments.

源语言英语
主期刊名Proceedings - 2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009
DOI
出版状态已出版 - 2009
活动2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009 - Wuhan, 中国
期限: 11 12月 2009 → 13 12月 2009

丛书

姓名Proceedings - 2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009

会议

会议2009 International Conference on Computational Intelligence and Software Engineering, CiSE 2009
国家/地区中国
市Wuhan
时期11/12/09 → 13/12/09

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