| 加速工况与双怠速工况的汽油汽车排放:共性与差异 |
| |
| 引用本文： | 张雨,臧斌.加速工况与双怠速工况的汽油汽车排放:共性与差异[J].南京工程学院学报(自然科学版),2008,6(1):11-15. |
| |
| 作者姓名： | 张雨 臧斌 |
| |
| 作者单位： | 1. 南京工程学院车辆工程系,江苏,南京,211167
2. 长沙理工大学载运工具运用工程研究所,湖南,长沙,410076 |
| |
| 摘 要： | 考察和比较了汽油汽车加速工况瞬态排放与双怠速稳态排放的共性与差别.采用移动检测方案获得汽油汽车升挡加速瞬态排放,双怠速方案获得汽油汽车稳态排放;采用体积分数、面积量和符号时间序列分析方法的"Shannon熵"评价汽油汽车排放.汽车加速工况瞬态排放与双怠速工况稳态排放的共性是转速越低、空气过量系数λ越小、排放越大;差别是前者的排放均大于后者高怠速时的排放,前者的燃烧紊乱程度均高于后者;在双怠速工况下获得的汽油汽车排放量不能反映升挡加速工况的排放量;随着汽车加速工况挡位升高,其瞬态排放量上升而燃烧紊乱程度下降.
|
| 关 键 词： | 汽车工程 汽油汽车 瞬态排放 移动检测 符号时间序列分析 单缸Shannon熵 |
| 文章编号： | 1672-2558(2008)01-0011-05 |
| 修稿时间： | 2007年6月29日 |
Similarities and Differences of Gasoline Automobile Emission under Conditions of Speeding up and of Two-speed Idle |
| |
| ZHANG Yu,ZANG Bin.Similarities and Differences of Gasoline Automobile Emission under Conditions of Speeding up and of Two-speed Idle[J].Journal of Nanjing Institute of Technology :Natural Science Edition,2008,6(1):11-15. |
| |
| Authors: | ZHANG Yu ZANG Bin |
| |
| Institution: | ZHANG Yu1,ZANG Bin2(1.Dept.of Vehicle Engineering,Nanjing Institute of Technology,Nanjing 211167,China,2.Institute of Vehicle Operation Engineering,Changsha Univ.of Science , Technology,Changsha 410076,China) |
| |
| Abstract: | Analysis and comparison were made as to the similarities and differences of gasoline automobile transient emission under conditions of speeding up and that of two-speed idle.The speeding up transient emission of gasoline automobile was obtained by adopting movement detection program,the steady emission of gasoline automobile obtained by the program of two-speed idle.And the transient emission of gasoline automobile was evaluated by means of volume fraction,area value and Shannon entropy of the symbolic time... |
| |
| Keywords: | automobile engineering gasoline vehicle transient emission movement detection symbolic time series analysis Shannon entropy of single cylinder |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
