轻型汽车ASM排放特性

彭美春; 赵锌泽; 许志刚; 樊晶明; 姜柏成; 王文涛

轻型汽车ASM排放特性

1.
广东工业大学机电工程学院, 广东广州 510090
2.
深圳市汇银实业开发有限公司, 广东深圳 518019

基金项目:

国家“十五”科技攻关项目 2003BA408B29

详细信息

作者简介:
彭美春(1963-), 女, 湖南衡阳人, 广东工业大学高级工程师, 博士, 从事汽车排放研究

中图分类号: TK401
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- 被引次数: 0
出版历程
- 收稿日期: 2004-09-25
- 刊出日期: 2005-06-25

ASM exhaust emission characteristics of light vehicle

1.
School of Electromechanical Engineering, Guangdong University of Technology, Guangzhou 510090, China
2.
Shenzhen Huiyin Industrial Economic Co.Ltd., Shenzhen 518019, China

More Information

Author Bio:
Peng Mei-chun(1963-), female, PhD, senior engineer, 86-20-37626950, zzspmc@163.com

摘要

摘要: 应用加速模拟工况排放测试方法对3000多辆在用轻型汽油车进行了排放测试, 通过对实验结果进行统计分析, 研究了车辆CO、HC、NO_x的排放特性, 通过回归分析得出了CO、HC、NO_x的排放值与车辆行驶里程、车龄的数学关系式。结果表明车辆行驶里程从1.0×10⁵km增长到3.0×10⁵km, CO、HC、NO_x排放值增大约0.24~0.73倍, 车龄从2a增长到10a, CO、HC、NO_x的排放值增长约1.7~2.0倍, 4a内车龄车辆的CO、HC、NO_x排放不合格率在10%以下, 10a以上车龄CO、HC、NO排放不合格率大于20%。
- 车辆工程 /
- 排放特性 /
- 加速模拟工况 /
- 车龄 /
- 行驶里程
Abstract: In order to cleanse city air, reduce vehicle emission, the paper studied the exhaust emission characteristics of light gasoline vehicle by the emission test of acceleration simulation mode(ASM) for more than 3 000 used vehicles, analyzed the relationships of CO, HC, NO_x emission levels with vehicle driving distance and vehicle age, derived their tropic formulas. The results indicate that CO, HC, NO_x emission concentrations increase by 0.24~3.73 times with driving distance increase from 1.0×10⁵ km to 3.0×10⁵ km, CO, HC, NO_x emission concentrations increase by 1.7~2.0 times with vehicle age increase from 2 a to 10 a. The nonconformity ratios of CO, HC, NO_x emission are less than 10% when vehicle age is less than 4 a, but they are more than 20% when it is more than 10 a.
- automobile engineering /
- emission characteristics /
- ASM /
- vehicle age /
- driving distance

HTML全文

图 1 y_CO与x的关系

Figure 1. Relation of y_CO and x

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图 2 y_HC与x的关系

Figure 2. Relation of y_HC and x

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图 3 y_{NO_x}与x的关系

Figure 3. Relation of y_{NO_x} and x

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图 4 y_CO与x的关系

Figure 4. Relation of y_CO and x

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图 5 y_HC与x的关系

Figure 5. Relation of y_HC and x

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图 6 y_{NO_x}与x的关系

Figure 6. Relation of y_{NO_x} and x

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图 7 y_CO与x的关系

Figure 7. Relation of y_COand x

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图 8 y_HC与x的关系

Figure 8. Relation of y_HC and x

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图 9 y_{NO_x}与x的关系

Figure 9. Relation of y_{NO_x} and x

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表 1 车辆数分布

Table 1. Vehicle quantity distribution

行驶里程/(10⁴ km)	< 3	3~6	6~9	9~12	12~15	15~18	18~21	21~24	24~27	27~30	30~33	33~36	合计
车辆数/veh	375	402	304	264	431	193	135	261	179	42	557	57	3200
所占比例/%	11.72	12.56	9.50	8.25	13.47	6.03	4.22	8.16	5.59	1.31	17.41	1.78	100

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表 2 车龄分布

Table 2. Vehicle age distribution

车龄/a	< 1	1~2	2~3	3~4	4~5	5~6	6~7	7~8	8~9	9~10	10~11	11~12	合计
车辆数/veh	369	477	271	480	564	329	195	242	162	89	49	30	3257
所占比例/%	11.33	14.65	8.32	14.74	17.32	10.10	5.99	7.43	4.97	2.73	1.50	0.92	100

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