简述了世界上一些柴油车自由加速烟度排放法规。
Regulations on diesel vehicle free accelerating smoke emission around the world are introduced.
通过大量的试验研究，发现大气温度和大气压力对柴油机烟度排放有很大的影响。
It is revealed by a great amount of test and research work that there is a significant effect of atmospheric temperature and atmospheric pressure on Diesel engine smoke emission.
利用瞬态控制及测量系统，对增压中冷柴油机在瞬态工况下的烟度排放特性进行了试验研究。
Smoke emission behaviors of a turbo charged after cooled diesel engine under transient operating conditions were investigated by transient measurement system.
烟度排放总体水平由于醇燃料的加入得到改善，试验表明，全负荷的烟度排放需要通过标定工作来改善。
The ethanol engine has a whole low level of soot while the only work is to decrease soot emission under full load conditions.
柴油机的扩散燃烧方式会产生较高的烟度排放，在燃油中加入少量的燃油添加剂能够改善燃烧过程降低排放。
Diesel engines can produce higher soot emissions due to its diffusion combustion mode and small amounts of fuel additives can improve such process and thereby reduce emissions.
阐述了使用乳化柴油的节油及降低烟度排放的机理，对CY6102BQ柴油机燃用乳化柴油进行了一系列的应用研究。
This paper expatiates on the mechanisms of saving fuel and lowering smoke emissions of emulsified oil, and we have do applied research on fuel emulsified used in CY6102BQ diesel engine.
结果表明，在柴油中添加石油磺酸钙清净分散剂，可以降低柴油机的排放烟度和CO含量，特别是烟度的降低幅度较大。
The results showed that the engine emissions of exhaust smoke and CO content decreased by adding fuel detergent in diesel fuel.
氧含量越多烟度降低的效果越明显，而PM的降低幅度小于烟度，这是由于可溶性有机物的排放特点造成的。
PM and smoke are reduced with the increase of oxygen fraction in the blends. Smoke reduction is more effective than PM.
通过氧化后处理系统对柴油机排放影响的试验，探索后处理系统对发动机排气烟度，加速烟度的影响。
Investigating the effect of aftertreatment system on exhaust smoke and accelerating smoke by the experiment of aftertreatment.
发动机排气温度和烟度明显降低，排放指标也在一定程度上得到了改善。
When using emulsified fuels the engine emissions are improved to a certain extent.
发动机排气温度和烟度明显降低，排放指标也在一定程度上得到了改善。
When using emulsified fuels the engine emissions are improved to a certain extent.
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