查询词典 combustion engineering

The stoichiometric ratio of air tomethane for idealised combustion is 9.52:1, with the basic combustion reaction

空气与燃料之间的最佳混合比率为9.52：1，反应方程式如下

On the basis of referring the foreign and domestic literatures and systematically generalizing the former research results, firstly, from the adsorption gas, coal spontaneous combustion and the heat resolves, thesis analyzes the ignitable gas occurrence. Secondly, though the experiment station of coal spontaneous combustion, thesis obtains the critical temperature 60 ℃～ 100 ℃, splits temperature 100℃～ 150 ℃, the fission temperature 150℃～ 180 ℃ and the speed-up temperature 210℃～ 250 ℃ and ignitable gas release rules in the several temperatures sections according to the results. Finally according to fire resource and the catastrophe theory, ignitable gas explosion characteristic and the influence factors have been conducted of the qualitative investigation and the quantitative determination. The gas explosion control technologies are put forward. It has built the certain foundation for the effective prevention gas explosion accident occurrence.

本论文采用理论分析和实验模拟相结合的综合研究方法，首先从煤层吸附瓦斯、煤氧复合过程及煤高温热解三方面对采空区可燃性气体的产生进行分析；其次通过对大型煤自然发火实验测试台的应用，根据实验结果得到临界温度60℃～100℃、干裂温度100℃～150℃、裂变温度150℃～180℃和增速温度210℃～250℃等几个温度段的可燃性气体释放规律；最后根据爆炸引火源，结合瓦斯爆炸流变-突变理论，对可燃性气体爆炸特性及影响因素进行了定性研究和定量测定，提出瓦斯爆炸事故的控制对策，为有效预防瓦斯爆炸事故的发生打下了一定的基础。

Homogeneous charge compression ignition combustion is gradually becoming a new combustion mode. However, it is still confronted with problems in real-time control and control system.

均质压缩燃烧是一种新的燃烧方式，要实现对HCCI发动机的实时控制还很困难。

The homogeneous charge compression ignition combustion mode is becoming a hot research for internal combustion engines.

均质压燃是目前发动机领域的研究热点之一。

The influences of combustion boundary conditions on ethanol homogeneous charge compression ignition combustion were investigated.

在一台由CA6110柴油机改造而成的单缸发动机上进行了燃烧边界条件对乙醇燃料均质压燃燃烧过程影响的试验研究。

ABSTRACT Homogeneous Charge Combustion Ignition is an attractive advanced combustion process that offers the potential for substanti...

均质压燃着火燃烧概念给出了实现内燃机高效、低污染燃烧的新途径，是目前国际内燃机界的研究热点。

In this paper, an experimental study on combustion and emission characteristics of homogenous charge compression ignition combustion engines using n-heptane combined with methyl tertiarybutyl ether was conducted.

研究了含甲基叔丁基醚的正庚烷HCCI燃烧特性和排放影响因素。

In addition, the HC and CO emissions are much lower than the emissions of HCCI and the indicated thermal efficiency of HCCI/DI is higher than the prototype diesel engine.Furthermore, without spark ignition and hot EGR, the HCCI/DI combustion of in-cylinder directly injected iso-octane is achieved with the induction of thermal and chemical active atmosphere generated by the HCCI combustion of port injected n-heptane.

通过对燃料理化特性、预混合率和缸内直喷时刻这三个影响因素的优化，实现了对HCCI/DI燃烧相位、放热分布和形态的调制，使发动机的负荷拓展到全负荷，在全负荷范围内NOx排放低于40×10-6排放水平，HC和CO排放显著低于HCCI燃烧，同时发动机指示热效率η_i高于原机柴油直喷的水平。

In boiler field, proper atomization of high viscosity liquid fuel is the essential assurance to safe .stable and high efficient combustion for boiler; in the propulsion equipment of rockers and turbo jet-propelled engine, the atomization quality of liquid fuel is the precondition to improve combustion efficiency and supply sufficient propulsion; in the field of industrial manufacture, metal powder is made by liquid metal which is impacted by high velocity gas; in the field of agricultural irrigation, the water with certain velocity is used to strike metal disk to make insufflations proportionally to the irrigation field; in the technique of desulphurization and coal gasification, proper design of nozzle is the essential factor to advance the efficiency of desulphurization and coal transformation.

在锅炉领域，高粘度液体燃料的良好雾化是锅炉安全稳定高效燃烧的重要保证；在火箭推进装置、涡轮喷气式发动机中，液体燃料的雾化质量是提高燃烧效率并产生足够推力的前提；在工业生产领域，用高速气流冲击液态金属来制备金属粉末：在农业灌溉中，用一定速度的水流冲击金属圆盘破碎并改变方向实现对灌溉区域的均匀喷洒：在烟气脱硫、煤气化等工艺中，良好的喷嘴设计是提高烟气脱硫效率和碳转化率的重要因素。

The gaseous emission from straw and joss paper combustion was studied in this study. All tested materials were sent to a fix-bed batch incinerator for combustion.

摘要 本研究主要探讨稻草与纸钱燃烧后排放之气状污染物特性，并结合排放特性进一步探讨前述物质的燃烧性质。

Aquatic or marsh-growing fern allies; known to have existed since the Cenozoic; sometimes included in Lycopodiales.

生活于水中或湿地的蕨类；从新生代生存至今；有时归于石松目之中。

The engine was uprated from a 90hp Franklin to a 125hp Lycoming.

改良过的引擎是从90hp到125hp莱康明富兰克林。