铁基燃油添加剂对柴油机微粒排放的影响

›› 2012, Vol. 42 ›› Issue (05): 1173-1178.

铁基燃油添加剂对柴油机微粒排放的影响

王丹¹, 刘忠长¹, 王忠恕¹, 吴楠², 刘江唯²

1. 吉林大学汽车仿真与控制国家重点实验室,长春 130022;
2. 中国第一汽车股份有限公司技术中心,长春 130011

收稿日期:2012-03-22 出版日期:2012-09-01 发布日期:2012-09-01
通讯作者: 王忠恕(1977-),男,副教授,硕士生导师.研究方向:发动机燃烧与排放.E-mail:wangzhongshu@jlu.edu.cn E-mail:wangzhongshu@jlu.edu.cn
基金资助:
国家自然科学基金项目(50976046).

Effect of Fe-based fuel additive on diesel engine particulate emissions

WANG Dan¹, LIU Zhong-chang¹, WANG Zhong-shu¹, WU Nan², LIU Jiang-wei²

1. State Key Laboratory of Automobile Simulation and Control,Jilin University,Changchun 130022,China;
2. Research and Development Center,FAW Group Corporation,Changchun 130011,China

Received:2012-03-22 Online:2012-09-01 Published:2012-09-01

摘要/Abstract

摘要： 在低硫(w(S)=30×10^-6)柴油中直接添加微量的铁基添加剂,通过发动机台架试验研究了铁基添加剂对柴油机性能、气体排放、微粒数量浓度及其粒度分布的影响。研究结果表明:采用铁基添加剂时,发动机动力性稍有提高,燃油消耗率略有下降,CO、HC和NO_x排放有降低趋势。铁基添加剂能够显著提高总微粒数量浓度,尤其是核态微粒排放,试验工况下加剂柴油的核态微粒数比例均高于纯柴油,基本上都大于90%。此外,除了高速工况,燃油添加剂的使用降低了积聚态微粒排放。

关键词: 动力机械工程, 柴油机, 燃油添加剂, 微粒排放, 数量浓度, 粒度分布

Abstract: Adding small amount of Fe-based additive into the low-sulfur (w(S)=30?10^-6) diesel fuel to investigate experimentally the effects of Fe on the diesel engine power, fuel economy, gaseous emissions and particulate emissions including particle number concentration and size distribution. Results showed that Fe addition leads to a slight increase in power output, a slight decrease in specific fuel consumption, and more or less decrease of CO,HC,and NO_x emissions. Fe additive produces the additional nano-particles beyond the diesel particulates and increases the total particle number concentration, especially the nucleation mode particle. Under all test conditions, Fe additive makes the ratios of the nucleation mode particle higher than 90%, and always higher than those using the standard diesel fuel without Fe additives. Use of Fe additive leads to an obvious reduction of the accumulation mode particle emission except under high-speed conditions.

Key words: power machinery and engineering, diesel engine, fuel additive, particulate emissions, particle size distribution, number concentration

中图分类号:

TK42

王丹, 刘忠长, 王忠恕, 吴楠, 刘江唯. 铁基燃油添加剂对柴油机微粒排放的影响[J]. , 2012, 42(05): 1173-1178.

WANG Dan, LIU Zhong-chang, WANG Zhong-shu, WU Nan, LIU Jiang-wei. Effect of Fe-based fuel additive on diesel engine particulate emissions[J]. , 2012, 42(05): 1173-1178.

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