这就是碳烟生成离子机理的基本内容。
在加州,这样的法律已削减该州一半柴油碳烟的排放。
Such laws in California have cut diesel-soot emissions in that state by half.
试验结果表明:随掺混比的增大,碳烟排放在满负荷降低较多;
The experimental results show that with the rise of blending ratio, smoke is greatly reduced under high load;
在柴油中添加消烟助燃剂能有效减少柴油机碳烟等污染物的生成。
Adding smoke suppressor and combustion promoter in diesel oil can effectively reduce the formation of pollutants such as soot and so on in diesel engines.
柴油机燃烧过程中产生的碳烟严重污染了环境,危害着人类健康。
The soot formation in diesel engine's burning not only badly pollutes the environment, but also brings harm to human's health.
本论文采用溶胶-凝胶法、浸渍法和涂抹法制备了碳烟氧化催化剂。
In this paper, we adopted the sol-gel, dipping and smear methods to prepare the soot oxidation catalysts.
所获得的结论有助于解决运行在高原地区的柴油机的碳烟排放问题。
The obtained conclusions are useful to solve the exhaust emission problems of the engine running at the high altitude regions.
研究碳烟的生成和氧化机理,已成为控制柴油机排放的重点和热点之一。
Researching the soot formation and oxidation has become one of important and hot question about the emission controlling of the diesel engines.
气门间隙增大,碳烟排放量增大,但对噪声水平的影响则不是十分显著;
The influence of fuel injection pressure on smoke emission value is comparatively complicated, while its influence on noise level is comparatively small.
本文采用浸渍法制取碳烟氧化催化剂,并对其催化性能、结构进行了研究。
In this study, the catalysts were prepared by using dipping method for carbon particulate oxidation from diesel soot.
本文采用浸渍法制取碳烟氧化催化剂,并对其催化性能、结构进行了研究。
In this study, the catalysts were prepared by using dipping method for carbon particulate oxidation from diesel soot. Their catalytic properties and structures were also studied at the same time.
结果表明,相同条件下:柴油机存在一个最佳喷油提前角使碳烟排放最少;
The result show that, under the same condition:the diesel engine has a best injection timing which makes the emission of soot least.
使用样条函数可以准确拟合计算柴油添加剂降低碳烟排放效果的实验数据。
The spline function can be used in calculating accurately the experimental data of diesel fuel additives for lowering the smoke emission from diesel engines.
转速增加碳烟颗粒数密度增加,但是却存在一个最佳转速使碳烟的体积分数最小;
The number density of soot is increased by the engine speed. But there is a best speed that makes the volume fraction of soot least.
图6碳烟累积量与压降增量的关系,随着碳烟的增加,压降明显增加,呈线性关系。
Figure 6 is the relation between soot cumulant and pressure drop increment, as soot increases, pressure drop increases obviously, in linear relation.
试验表明改进后的加热器低温点火能力明显提高,启动过程的碳烟排放水平显著降低。
The experiments found that the modification of the ignition place improved the cool-start ability and the added small holes reduced the soot emission during the starting process.
柴油车尾气排放的碳烟颗粒已引起严重的环境污染问题,柴油车排气标准也在不断提高。
Soot particles in exhaust gas from diesel-fuelled vehicles have caused a serious environmental pollution, thus promoting the establishment of more emission standards.
说明L 30喷雾所产生的小颗粒液滴多于柴油,雾化质量提高,碳烟排放得以大幅度降低。
This indicates that smaller drops of L30 are more than those of diesel, spray quality is good, and engine smoke reduces accordingly.
原来印度尼西亚地区放火烧林清理土地时产生的一种碳烟是可入肺的,它缩短了东南亚地区人们的寿命。
Turns out forest fires set to clear land in Indonesia generate the kind of soot that lodges in lungs and shortens lives across Southeast Asia.
对TR燃烧系统应用增压和增压中冷进行预测,采用增压可使碳烟排放降低6%,但NO升高75%。
The application of supercharge and intercooling in the TR is forecasted. The results show that supercharge reduces smoke by 6% but increases NO by 75%.
与原柴油机相比,双燃料发动机的碳烟排放大幅度下降,NOX排放降低,而HC和CO排放有所增加。
Compared with the conventional diesel engine, the soot emissions of dual fuel engine reduce dramatically and NOX emissions decrease, while HC and co emissions increase slightly.
提高进气压力由于进气温度的影响使滞燃期缩短,大EGR率尤其明显,导致碳烟峰值随进气压力升高而增大。
The ignition delay was shortened by increase intake pressure due to higher intake temperature, which resulted in higher smoke, and this phenomenon was more obvious at high EGR rate situation.
除了无碳烟排放的重要特点以外,和柴油相比二甲醚还具有较好的燃烧性能、较低的自燃温度和较好的雾化特性。
In addition to the significant merit of no soot emission, DME would be of better ignition quality, lower autoignition temperature and better atomization compared to diesel fuel.
为了建立基于进气流量、DPF床温、碳烟以及喷油量的DPF压降模型,论文进行了一系列的试验,采集了大量数据。
In order to build the DPF pressure drop model based on air intake flow, DPF bed temperature, soot and fuel charge, the paper has carried out a series of tests, collected a mass of data.
对于柴油机微粒排放的控制,目前普遍采用的是柴油机微粒过滤器(DPF),通过这种方式能除掉绝大部分的碳烟微粒。
Diesel particulate Filter (DPF) is currently an effective and widely used approach to trap the particulate materials of diesel exhaust emissions.
为了研究电动增压补气系统对于柴油机加速补气减少碳烟排放这一方法的可行性,将研制的电动增压补气系统应用到试验台架中去。
To illustrate this method feasibility to reduction the smoke emission, the air injection system developed was applied to the naturally aspirated engine experimental station.
准均质充量压缩点火燃烧(QHCCI)方式占总燃料多数的预混合燃料以稀薄燃烧完成,故可能有很低的排放,尤其是碳烟和氮氧化物。
Quasi homogeneous charge compression ignition (QHCCI) combustion may be with low emissions, especially for soot and NO_X, according as the most fuel which is pre-mixed is lean burnt.
研究结果表明,壁面催化重整反应可以缩短乳化油着火延迟,保证高掺水率下的平稳运行,同时能使NO、碳烟和未燃燃料蒸气均得以下降。
The numerical results show that the wall catalytic reform reaction can reduce the delay of ignition of emulsified fuel and assure the stable running under high content of water.
采用6120Q直喷式柴油机对十六烷值改进剂、表面活性剂和有机金属化合物作为柴油添加剂降低柴油机碳烟排放的规律进行了试验研究。
Effects of cetane number improver, surfactants and organometallic compounds as diesel fuel additive on soot emission reduction were investigated with a 6120q di diesel engine.
利用该燃烧模型进一步研究柴油机的燃烧和碳烟生成中的一些问题:如点火延迟时间与混合气浓度的关系,排气中的碳烟浓度与混合气油气当量比的关系。
Using a combustion model some problems such as: the relationship between ignition delay and fuel concentration, the relationship between soot concentration and the equivalent ratio of mixt...
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