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DME,as a kind of alternative fuel of diesel engine,has been researched by the worldwide engine researchers for many years and a profound understanding of the spray,autoignition,and combustion process of DME has been acquired.

多年来各国对DME作为柴油的代用燃料作了大量的研究，对DME的喷雾过程、自燃着火过程和燃烧过程等方面有了较为深入的了解。

Autoignition ; combustion ; mathematical model ; dual fuel engine

着火过程；燃烧过程；数值模型；双燃料发动机

Methanol ; Diesel Fuel ; Combustion ; Optical Measurement ; Optical Radiation ; Autoignition ; Flame Propagation ; Diesel Engine

甲醇；柴油；燃烧；光学测量；光辐射；自燃；火焰传播；柴油机

DMEbecomes a potential alternative fuel,for its excellent autoignition performance and capacity to meet ULEV emissions standards for diesel engines without any exhaust gas after-treatment.

由于DME有良好的压燃着火性能以及不需特别的措施就能达到超低排放标准，因而成为柴油发动机一种很有潜力的替代燃料。

The results show that the liftoff height of the CH4/Air jet flame decreases with the increase of the coflow temperature, and the change of the liftoff height versus the coflow temperature presents the twostages behavior, and the stabilization of lifted flame is dominated by the autoignition of premixed homogeneous mixture in lower coflow temperature range. The phenomena of rapid multipoint autoignition were observed in the experiment of diesel fuel spray issuing into the CATA, and a special lifted flame appeared with a triple flame.

结果表明：甲烷气体燃料火焰起升高度随协流温度的升高而降低，呈现出两阶段变化特点，低温段发生了明显的自燃现象，其火焰稳定由均质混合气自燃所主导；柴油液雾燃烧试验观察到了快速的多点自燃现象，形成了独特的起升火焰，有三重火焰的特征。

The plane continued flying on automatic pilot until it ran out of fuel over the American state of Georgia.

这架无人驾驶的飞机就这样一直在空中飞行着，直到它燃油耗尽坠毁在美国的乔治亚州。

Guangan brand can adjust load and economize power,it is a key environment protection product,which can be a substitute product for coal and oil fuel boiler non-pollution,non-noise,small volume,automatic control,safe and reliable in operation,and the hear efficiency reaches 98%,a green boiler product save us both money and labour.

生产"广安牌"电锅炉是国家科技部、国家环保总局、国家电力公司向全国推广应用的调荷节能、环保重点产品。可代替燃煤、燃油锅炉。具有无污染、无噪音、体积小、全自动控制、运行安全可靠，热效率高达98%等优点，是省钱省力的绿色锅炉产品。

The invention concerns a burner comprising a premix designed to produce a flammable air-fuel mixture, said burner including a vortex generator, wherein are provided two complementary burner shells forming a passage body, having each a first half-cone burner shell section (1) and delimiting together a turbulence chamber, widening in the axis in the form of a cone, as well as tangential air intake slots in the axial longitudinal direction of the cone.

描述了一种用于产生可点燃的燃料-空气混合物的预混燃烧器，该预混燃烧器具有涡流发生器，该涡流发生器设置了至少两个对穿流本体进行补充的燃烧器壳，所述燃烧器壳分别具有构造为分锥形状的第一燃烧器壳区段(1)并且共同限定着在轴向上按锥形方式扩展的涡流室并且限制着所述沿轴向的锥体纵向伸展方向相互相切的进气缝隙。

The M/V Selendang Ayu was carrying half a million gallons of bunker C fuel oil. The last great cargo ship disaster in the Aleutians occurred in 1997 when the M/V Kuroshima ran aground, releasing 39,000 gallons of bunker oil.

这次 Selendang Ayu 泄漏了其一半的燃料。1997年马来西亚的 Kuroshima 货轮搁浅事故造成了39万加仑的燃料泄漏，是阿留申群岛海域最大的一次泄漏事故。

Sodium azide is the fuel of choice for a number of reasons. It is a solid propellant with a very high gas generation ratio. It is very stable in this application.

钠叠氮化物被选作燃料是有原因的，它是固体的，能够推进产生气体的发生率，并且在应用中非常稳定。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。