查询词典 start the engine

Firstly,based on the WR Sexton method,the method and mathematic models of supplementing the sub-idle rotating component characteristics is presented.Secondly,the turbofan windmilling high-low pressure rotor co-working equations and the whole engine co-working equations are established.lastly,a turbofan engine windmilling characteristics under various windmilling conditions are simulated and analyzed.

首先，基于不可压流理论，附以可压缩效应修正的指数法发展了补充慢车转速以下部件特性的计算模型和计算程序；其次，根据流量连续、压力平衡、功率平衡、燃烧室进出口总温相等及转速相等等约束条件建立了风车状态时涡扇发动机高低压转子及整机的共同工作方程；最后发展了具有一定计算精度的涡扇发动机风车状态特性计算模型和程序，并以某型涡扇发动机为例，计算分析了不同飞行条件下发动机的风车特性，从计算结果看，其趋势是合理的。

The results indicate that, air flow meter's abnormal performance and oxygen sensor signal bias have great effect on engine emission, the other two sensors' abnormal performance has unobvious effect on emission of the engine with stable operation.

结果表明，空气流量计工作特性变化和氧传感器信号偏移对排放的影响较大，其它两个传感器的非正常技术状况对发动机稳定运转时的排放没有明显影响。

The design can also be used as an air motor, steam engine, gas compressor, hot air engine, or pump.

设计还可以用来作为空气马达，蒸汽机，气体压缩机，热空气引擎，或泵。

He maintains that the US, where GE still employs 160,000 of its 316,000 employees, remains the ideal place to manufacture complex equipment such as the jet engine turbines once built by his father, who worked for GE's aircraft engine division for nearly 40 years.

他坚持认为，美国仍是制造喷气机引擎涡轮等复杂设备的理想之地。他父亲为通用电气飞机引擎部门工作了近40年，曾参加建造过这种涡轮。目前，在通用电气的31.6万雇员中，仍有16万人是在美国雇用的。

When the alcohol content in blends is lower than 20%, the performance of SI engine will remain the same and there is no need to modify the structure of the engine for alcohol operation.

在不改变原机结构的情况下，燃用低含醇量的混合燃料时，基本不影响发动机的性能。

This view of the "Victoria" horizontal engine shows the alcohol burner under the boiler which provides the steam power to drive the engine.

这一观点的&维多利亚&横向引擎显示，酒精燃烧器下的锅炉提供蒸汽动力来驱动发动机。

Cartwright (I think it was the same Cartwright) also came up with a conventional piston engine that ran on alcohol vapour; an alcohol engine .

卡特赖特也成立了一个传统的活塞式发动机即然对酒精蒸气；醇类燃料发动机。

Sensors, data acquisition cards and virtual instrument software are applied in the electronic control of ethanol injecting for optimized diesel/alcohol dual-fuel engine, through complement factor experiment which combines three fuel supply advance angle with four ethanol supply time, the performance of dual-fuel engine is compared with the original one under same condition.

使用传感器、数据采集卡和虚拟仪器软件改进柴油/乙醇双燃料发动机的乙醇喷射电子控制系统，通过三个供油提前角、四个供醇时刻组合的全因素试验，比较了双燃料发动机与原机相同工况下的性能。

In this paper Ⅰ successfully applied these methods to fault diagnosis, and presenting some new innovative machinery fault diagnosis method; First Ⅰ present a new gear wornout fault diagnosis method, this method use the vibration signal's time-frequency attribute and instantaneous phase undulation to accurately detect gear's fault, and by comparing with the traditional frequency domain analysis method, this method reveals that many nonlinear and nonstationary characteristic exist in gear's vibration, this tell us that if we use frequency domain analysis method without pay attention to the signal's characteristic, we could get wrong diagnostic result; Then Ⅰ present a new bearing fault diagnosis method, this method use ATVFD and Hilbert transform to do envelop demodulation,Ⅰ analyze the envelop with time-frequency method and find out that this method is more accurate then traditional method.Ⅰ also explain that the modulation of the fault to the carrier wave may also be non-stationary and nonlinear; Finally Ⅰ present a cylinder pressure measurement method of diesel engine by means of vibration, cylinder pressure is an important parameter of diesel engine fault diagnosis, the pressure measuring is simplified a lot by this method,Ⅰ also use the ATVFD and time-frequency analysis to realize it.

本文中将上述理论方法成功地应用到故障诊断中去，提出了几点创新性的诊断方法；提出了一种齿轮磨损故障诊断的新方法，该方法利用振动信号能量的时频域分布特征与瞬时相位波动特征可以进行精确的齿轮故障诊断，并通过与传统的频域诊断方法的比较，揭示出齿轮振动中存在的明显的非线性与非平稳特征，说明了不加选择地利用频域分析方法进行齿轮故障诊断很可能会得到错误的诊断结果；提出了一种轴承故障诊断的新方法，该方法利用ATVFD分解与Hilbert变换进行包络解调，并对解调得到的包络信号进行时频域分析，可以实现更加准确轴承故障诊断，说明了故障对载波信号的调制往往也是非平稳与非线性的；提出了一种利用振动信号进行柴油机汽缸内压力检测的新方法，柴油机汽缸压力的变化是柴油机故障诊断的重要参数，利用振动方法可大大简化汽缸压力的检测过程，该方法也是综合利用ATVFD分解与时频域分析方法实现的。

Oil filter, equipped in ubrication system, is mainly in charge of filtering the detrimental impurity in engine oil from oil pan so that the engine oil supplied to bent axle, connecting bar, camshaft and piston ring will be clean and the service life of those parts can be extended.

机油滤清器位于发动机润滑系统中。其作用是对来自油底壳的机油中有害杂质进行滤除，保证供给曲轴、连杆、凸轮轴、增压器、活塞环的机油的清洁，起到润滑、冷却、清洗作用从而延长这些零部件的寿命。

Analog output can display output results.

可以模拟输出显示输出效果。

It implied that RAPD technique pro vided a new alternative for checking irradiation induced effects.

对扩增产物进行数据分析，结果表明RAPD技术能够检测出辐射后唐菖蒲基因组变异情况，可用于对唐菖蒲辐射后基因变异的分析。