发动机

This way is quite different from the former way, which only take the forebody and afterbody as the extend of engine inlet and spout, and surround the engine to optimize the forebody and afterbody, thus neglecting the effect with the whole aerocraft layout.

本文设计工作在保证发动机稳定及高效率工作的条件下，充分考虑前后体对整个飞行器气动性能的影响，不同于以往只将前后体作为发动机进气道和喷管的延伸，围绕发动机来优化前后体外形，而忽视其对整机布局设计的影响。

The theoretical analysis of the work cycle is made for the pressed air engine and liquid nitrogen engine.

从理论分析的角度，对压缩空气发动机和液氮发动机的工作循环进行了分析讨论，采用不同概念计算了两者的可用能，并着重分析了膨胀初始压力和温度对输出功的影响，还探讨了液氮发动机工作循环的优化途径。

In this paper, a spark advance angle adjusting system is presented. In the system, spark advance angle of engine with carburetor on which spark controlled ECU is installed can be matched, the spark advance angle was real time adjusted according to engine different speed and load to find the ideal spark advance angle.

提出了一种具有调节点火提前角功能的控制系统，该系统能够在对化油器发动机进行简单改造加装点火控制ECU后对其点火提前角进行标定，对发动机在不同转速和工况下的点火提前角进行实时的调节，寻找到发动机在该转速和工况下的理想点火提前角。

The dynamic process of the aero engine was described by using the Volterra progression model. And identification arithmetic of the Volterra progression model for aero engines was proposed. It was applied to a certain turbofan engine by imitating the dynamic respondence.

利用Volterra级数对航空发动机的动态过程进行描述，建立非线性模型，提出了模型的辨识算法利用某型涡扇发动机的动态仿真，进行了发动机Volterra模型辨识及验证。

As far as the automobile structure be concerned, since the automobile engine output rotation rate is very high, must actual running speed having rotation rate and carriage wheel a set of the speed change device , automobile change gear even if be used to harmonize an engine right away for the optimum performance bringing an engine into play.

就汽车的结构而言，由于汽车发动机的输出转速非常高，为了发挥发动机的最佳性能，就必须有一套变速装置，汽车变速器就是用来协调发动机的转速和车轮的实际行驶速度。

This paper presents a new model describing the autoignition of pilot diesel in the mixture of methane with air for dual fuel engines.

预测发动机的燃烧启动和敲缸都需要研究发动机的着火过程以及开发发动机的着火模型。

Along with energy crisis and worsened environment becoming more and more intensively, gas-vehicle receives the unprecedented recognition because of its less emissions, more economical and saving petroleum resource. The research and utilization of gas-vehicle develop quickly all over world. Of course, automotive fuel changing from gasoline and diesel into gas fuel is also carried out blazingly everywhere in our country.

中文题名燃气汽车发动机燃烧特性及工作性能研究副题名外文题名 Study on combustion characteristics and performances of automotive engine by gas fuel 论文作者詹樟松导师夏来庆教授学科专业动力机械及工程研究领域\研究方向学位级别博士学位授予单位浙江大学学位授予日期2001 论文页码总数132页关键词汽车发动机燃气汽车发动机燃烧馆藏号BSLW /2001 /U464 /32 随着能源危机和生态恶化日益严重，燃气（主要指压缩天然气和液化石油气）汽车以其优良的排放、良好的经济性以及能够部分替代紧张的石油资源而受到了空前重视，世界范围内燃气汽车的研究和应用也随之空前高涨。

Camshaft is one of the key components for an engine.

凸轮轴是发动机关键零部件之一，其产品质量对发动机的性能特别是发动机功率、凸轮挺杆摩擦副的寿命、配气机构的工作状态都有很大的影响。

In order to improve the operation frequency, the self-suck resonator pulse detonation engine was founded, the ignition principle of the new engine use the method of shock focus autooscillation, so, it possess high ignition and operation frequency, many experts have taken experiment and numerical simulation. However, the physical processes in the resonator cavity are very complicate,the reliable theory haven't set up by now, require the further study.

为了提高脉冲爆震发动机的工作频率，自吸气共振型脉冲爆震发动机模型被提出，该新型发动机点火原理采用激波谐振聚焦点火方式，具有很高的点火及工作频率，许多专家对此进行了实验研究和数值模拟，但由于谐振腔内的物理过程非常复杂，到目前为止没有一套可靠的理论，有待于进一步研究。

This research focuses on the investigation of application of compound combustion engine in generating sets. Through theoretical analysis and practical applications of diesel and generating sets produced by our company, comprehensive investigations have been carried out in such aspects as soot and NOx emissions reduction from compound combustion engines, specific fuel consumption reduction, improvements of fuel economy of generating sets and compound combustion engine meets special power match of generating sets.

本课题主要着眼于组合燃烧发动机在电站机组中的应用研究，通过对本公司生产的柴油机和电站机组的理论分析和具体实践，在组合燃烧发动机减少碳烟和NO_x排放，降低当量比油耗，提高机组的使用经济性，以及组合燃烧发动机满足电站机组特殊的动力匹配方面进行了创造性的总结，并论证了适合我国技术水平和能源状况的组合燃烧理论。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了