查询词典 combustion engine

In this paper, based on the specific CNG engine parameters and characteristics, the influence of the injection timing, ignition energy and lean combustion for the engine is tested, in order to explore the control rules of fuel injection, ignition energy and lean combustion and then draw the following conclusions: small injection advance angle of electronic controlled injection CNG engine is optimum

文章根据天然气发动机的具体参数和特性，探索电控喷射CNG发动机在燃料喷射、点火能量和稀燃等方面的控制规律，确定最优的控制参数，开展了喷射定时、点火能量及稀薄燃料等参数对发动机性能影响的试验研究工作，并根据试验结果分析，得出了以下结论：电控喷射WT615CNG发动机燃料喷射提前角要小些为宜

Based on the analyses of the chemical and the physical characteristics of hydrogen peroxide, the effect mechanism of H2O2 additive on diesel combustion was put forward and proved by the heat release rate of the single-cylinder engine test. The experimental results on 135 diesel engine bench show that H2O2 additive is effective to improve diesel combustion, and the specific fuel consumption, particulate matter and NO are decreased obviously.

对过氧化氢的化学及物理特性进行了分析，建立了过氧化氢组液影响内燃机燃烧过程的机理模型，并且通过放热规律进行了试验验证。135单缸机的试验结果表明，过氧化氢组液的效果相当显著，可以同时降低油耗以及碳烟和NO的排放。

Combustion process of a ceramic heat insulated compound engine was experimentally studied in a constant-volume combustion bomb and a B1135 type single-cylinder diesel engine.

结果表明，由于陶瓷隅热复合机的压缩终点温度和压力很高，使滞燃期过短，空气粘度高，着火点在喷油嘴孔口附近，初期火焰横贯喷注，使空气与燃油混合条件差，因而仍沿用常规发动机燃烧系统参数时，燃烧过程恶化、燃油消耗率上升。

Dieseal Engine s dynamism and economy,as the impoortant indices of its properties,are determined by the correctness,timeliness and entireness of its combustion Therefore,analysis on factors influencing dieseal Engine s combustion appears to be most importan

柴油机的动力性和经济性是衡量柴油机性能好坏的重要指标，而柴油机的燃烧过程能否正确、及时、完全地进行将直接影响柴油机的动力性和经济性。

In this paper, the different volume ratio additives'influences on the economy of different fuels as well as the characteristics of combustion and emission have been investigated employing the knowledge about combustion dynamics and chemical reaction dynamics on the base of the gasoline additives application actuality in engine. Dimethyl Carbonate, Diisopropyl Ether and Ditert-Butyl Peroxide are selected as gasoline additives to explore the potential and promotable additives by engine tests in different base fuels.

本文根据汽油添加剂的应用现状并结合内燃机燃烧学、化学反应动力学等知识，选择用碳酸二甲酯、二异丙醚、二叔丁基过氧化物作为汽油添加剂，通过不同基础燃油的发动机台架试验，研究不同添加体积比的添加剂对不同燃油经济性、燃烧特性、排放特性的影响，以探求潜在的可推广使用的汽油添加剂。

According to the experimental single-cylinder carbureted gasoline engine Honda G200, combustion chamber geometry is measured by three coordinate measuring machine,and a combustion chamber model is proposed by node integral,method.Boundary conditions are confirmed,the characteristics of flame propagation in combustion process and some parameters,such as burned volume,are calculated to analyze combustion model of engine.

5利用三坐标测量仪对Honda G200型单缸化油器式发动机燃烧室结构进行测量，利用节点积分法建立燃烧室几何模型，确定边界条件，获得汽油燃烧过程中火焰传播特征，用于燃烧模型的分析计算。

For Diesel/Gas dual-fuel engine, commixing combustion of gas fuel and diesel in cylinder results in some problems, as economical performance and emissions of engine become worse at light load and knocking combustion at heavy load and so on.

由于柴油和气体燃料的不同物化和燃烧特性，给双燃料发动机带来一些问题，如小负荷时发动机的经济性和排放不好，大负荷工况下易爆震等。

The results show that proper reentrant combustion chamber can effectively organize and control the flow distribution and intensity in the combustion chamber. There exists an optimized fuel injection position and intake swirl ratio for this kind of combustion chamber to decrease engine emission without scarifying engine power output and fuel economy.

结果表明，通过低排放缩口型燃烧室结构参数的优化，可有效地组织和控制燃烧室内气流分布规律及其强度，而且对于这种燃烧室结构存在着最佳的喷射位置和进气涡流强度，使得在动力性和经济性基本保持不变的条件下，可有效地改善柴油机的排放特性。

By analyzeing the characteristic of the combustion of the diesel engine, a new method of strengthened combustion for diesel engine is presented.

分析了柴油机燃烧过程的特点，并且提出了一种新的柴油机强化燃烧的研究方法。

A method and apparatus for increasing the propelling force of pulse engine features that the fuel nozzle of pulse explosion engine is arranged in combustion chamber to close jet tube exit, and the fuel is reversely sprayed out to generate a shock wave barrier near the jet tube for preventing the airflow from flowing out of the combustion chamber, resulting in raising the pressure in combustion chamber and in turn increasing the propelling force.

本发明公开了一种提高脉冲发动机推力的方法和装置，它是通过将脉冲爆轰发动机的燃料嘴置放在燃烧室中靠近喷管出口附近，并使燃料逆向喷出，在燃烧室内靠近喷管附近形成一道阻止气流流出燃烧室的激波，激波的作用是使燃烧室压力升高，从而的到较大的推力。同时由于本发明的结构特别的简单，所以实现非常容易，并且工作效果十分显著。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷