| 基于米勒循环的配气凸轮型线设计 |
| |
| 引用本文： | 魏胜利,王忠,毛功平,倪培永. 基于米勒循环的配气凸轮型线设计[J]. 小型内燃机与摩托车, 2012, 41(5): 49-53 |
| |
| 作者姓名： | 魏胜利 王忠 毛功平 倪培永 |
| |
| 作者单位： | 江苏大学汽车与交通工程学院 江苏镇江212013 |
| |
| 基金项目： | 国家自然科学基金项目（51106065）; 江苏大学高级专业人才科研启动基金项目（10JDG078） |
| |
| 摘 要： | 分析了在高速发动机中应用高次多项式优化设计配气凸轮型线的必要性.阐述了米勒循环的基本思想,通过延迟进气门关闭时刻有效地降低压缩比,进而降低NOx排放这一方法来重新优化设计凸轮型线.采用五次多项式给出了工作段型线设计的一般方法,得到了改进后的凸轮型线方程,并利用AutoCAD拟合绘制了凸轮型线.
|
| 关 键 词： | 米勒循环 配气机构 凸轮型线 高次多项式 |
Design of Cam Profile Based on Miller-cycle |
| |
| Wei Shengli , Wang Zhong , Mao Gongping , Ni Peiyong. Design of Cam Profile Based on Miller-cycle[J]. Small Internal Combustion Engine and Motorcycle, 2012, 41(5): 49-53 |
| |
| Authors: | Wei Shengli Wang Zhong Mao Gongping Ni Peiyong |
| |
| Affiliation: | (School of Automobile and Traffic Engineering,Jiangsu University(Zhenjiang,Jiangsu,212013,China)) |
| |
| Abstract: | The necessity which high-order polynomial is used for optimization design of cam profile is analyzed in valve train of high-speed engines.Basing on the basic idea of Miller-cycle delayed intake valve closing time to reduce the compression ratio,this method is used for re-optimize design of the cam profile in CY4D47 diesel engine.The general method is given by the five-order polynomial.So,the improved cam profile equations can be obtained,then,the lift,velocity,acceleration and Jerk curves are got,lastly,the cam profile are drawn by AutoCAD software. |
| |
| Keywords: | Miller-cycle Valve train Cam profile High-order polynomial |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
