Stratified combustion can extend the lean combustion limit to very lean region.
分层燃烧可使稀燃极限延伸到很小的当量比。
This paper briefly introduces a new lean combustion system which can effectively reduce fuel consumption rate and exhaust emissions.
简要介绍了一种新型的汽油机的稀薄燃烧系统，可以有效地降低燃油消耗率和废气排放。
Firstly, this paper studies the components, structure and control of the tumble-stratification lean combustion system on GDI engine.
首先，研究了直喷汽油机滚流稀薄燃烧系统的组成、结构及其控制。
The results show that a rather strong tumble motion exists in this GDI engine, which is beneficial to the formation of stratified mixture and lean combustion.
结果表明，该直喷汽油机具有较强的滚流性能，有利于分层混合气的形成和稀薄燃烧。
Combination of low temperature plasma technology with the selective catalytic reduction technology is the effective method to reduce emissions for lean combustion engine.
低温等离子体技术与选择性催化还原技术相结合是降低稀燃发动机排放的有效方法。
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.
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。
The combustion form of rich flame is part-premixed combustion and lean flame is premixed combustion.
浓火焰燃烧形式为部分预混燃烧，淡火焰的燃烧形式为全预混燃烧。
The Shenmu bituminous and Yangquan lean coal are tested, the research of air staged combustion technology tes is executed in the one-dimensional flam furnace.
本文以神木烟煤和阳泉贫煤为试验对象，在一维火焰炉上对其进行了空气分级燃烧技术模拟试验研究。
The stronger air motions are helpful in organizing mixture strength distribution and then realizing lean mixture combustion in two-valve gasoline engines.
强化空气运动的结果有利于组织燃料在缸内的浓度分布，从而为在二气门汽油机上实现稀薄燃烧打下基础；
The effect of variable swirl on the fuel consumption of SI engine when TEFI (Twice Electronic fuel Injection) was adopted to lean burn combustion was studied.
主要研究了火花点燃式发动机采用二次喷油技术实现稀薄燃烧时，可变涡流对燃油经济性的影响情况。
Because the slow rate of combustion of natural gas, it's easy to produce the phenomenon of cyclic variations, when taking lean burn technology, the cyclic variations will be increased.
由于天然气的燃烧速率较慢，易产生燃烧循环变动现象，采用稀燃技术时会加剧燃烧循环变动。
A lean mixture combustion system is presented in this paper. And the test effect of fuel injection time, fuel adjustment, miximum load speed and emission characteristics are analysed.
介绍了一种汽油机的快速稀燃系统，并对该系统的喷油时刻，燃油调整特性，外特性及排气性能等进行了试验分析。
Lean burn mixture combustion of gasoline engine is an effective approach for reducing emissions and fuel consumption.
汽油机燃烧稀混合气是降低有害尾气排放、燃油消耗率的有效途径。
This paper analyzes the physical properties and the dynamic characteristics of anthracite and low volatile lean coal, and their effect on the combustion process.
对无烟煤和低挥发份贫煤的物理性质、动力学性能及其对燃烧过程的影响进行了分析。论述了烧好低挥发份煤的技术措施。
Combustion instability in a lean premixed combustor typically used in industrial gas turbines was studied with computational fluid dynamics technology.
对工业燃气轮机所使用的典型贫油预混燃烧室内的不稳定燃烧特性进行了数值研究。
The results show that the lean quasi-homogeneous mixtures can be formed by early-injection, and the shape of combustion chamber has an obvious effect on density and temperature fields of mixture.
模拟计算表明，利用早喷可以形成稀薄准均质混合气；燃烧室形状影响混合气浓度场和温度场。
The present invention is an aftertreatment system for lean burn internal combustion engines.
本发明涉及一种稀燃式内燃机的后处理系统。
In addition, there are limits of the high combustion gas mixture is suitable for lean burn performance.
另外，还有混合气发火界限高，适于稀燃的性能。
In addition, there are limits of the high combustion gas mixture is suitable for lean burn performance.
另外，还有混合气发火界限高，适于稀燃的性能。
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