Engine performance is expressed in terms of brake thermal efficiency.
发动机的性能表现在刹车的热效率。
This section describes various ways in which engines and engine performance are measured.
本节内容介绍发动机和发动机性能的各种计量方法。
A method is developed for calculating turbocharged diesel engine performance at altitude.
提出了一种计算涡轮增压柴油机高原性能的方法。
The"non dimensional"engine performance parameter of turbo propsis a function of three variables.
涡轮螺桨发动机的无因次性能参数是三个变量的函数。
Through a series of experiments, Ethanol gasoline's influence on engine performance is discussed.
本文通过一系列实验，对乙醇汽油对发动机性能的影响进行了探讨。
An optimum method for selecting automotive engine performance parameters is proposed in this paper.
本文提出了一种优选汽车发动机性能指标的方法。
The engine performance was investigated in a multipoint EFI gasoline engine fueled with gasohol blend.
研究了多点电喷汽油机燃用醇汽油混合燃料的性能。
Influence of engine performance with ignition advance and air-fuel ratio was discussed and studied in detail.
本文对点火提前角和空燃比对发动机的性能影响作了较为深入的理论研究。
There will significantly be meaningful for analysing diesel engine performance and designing turbocharged system.
这对指导分析柴油机性能和设计增压系统具有重要意义。
This paper reviews the effect of induction Swirl on mixture formation and engine performance of DI diesel engine.
本文介绍了进气涡流对直喷式柴油机混合气形成的作用和它对整机性能的影响。
The effects of combustion chamber pressure and mixture ratio on engine performance were analyzed based on simulation.
并根据结果分析了燃烧室压强和混合比对发动机性能的影响。
The automatic control of engine performance test, data acquisition, storing and processing of test data can be done on it.
利用该系统可以实现发动机性能试验过程的自动控制，实验数据的自动采集、贮存和处理。
To feedback cylinder by cylinder uniformity is an important issue for engine performance optimization and emission control.
反馈并控制发动机的各缸工作均匀性是实现发动机性能优化和改善排放的重要措施。
Experimental results show that the exhaust tuning chamber can improve the engine performance at the middle low speed range.
试验表明，采用排气调谐腔能有效改善发动机在中低速区的性能。
Tip clearance numerical analysis is an important content of studying tip clearance control and improving engine performance.
叶尖间隙分析是研究叶尖间隙控制方法，改善发动机性能的重要内容。
Relative to uniform inlet pressure, the distorted or actual profiles may have a rather profound effect on engine performance.
与均匀的压力分布比较起来，畸变的或真实的压力场对发动性能具有相当大的影响。
Combustion analysis by using observed indicated diagram is of great importance for engine performance analysis and evaluation.
由测得的发动机示功图进行燃烧分析，对于分析和评估发动机性能具有十分重要的意义。
The experimental results show that the engine performance is enhanced greatly when a new designed combustion system is adopted.
实验表明，采用新设计的预燃室燃烧系统后，发动机综合性能有较大的改善。
Use of exhaust dynamic efficiency and improvement of the diffusion pipe structure are conductive to lifting the engine performance.
应用排气动力效应通过改善扩散管结构，可使整机性能显著提高。
Wake turbulence between the two aircraft as well as engine performance and flight control responsiveness in the stratosphere were evaluated.
两架飞机之间的尾流以及在平流层飞行时的发动机性能和飞行控制响应都进行了评估。
The dynamometer is core equipment of motor performance test station, mechanical drive test station and engine performance test station.
测功机是电机性能测试台、机械传动测试台、以及发动机性能测试台等试验装置中的核心设备。
During emissions testing, the cars' pollution controls systems were turned on, curbing toxic emissions at the cost of engine performance.
在排放检测中，车辆的污染控制系统会被打开，遏制发动机性能，削减有毒物质的排放。
In order to improve engine performance, reduce weight and production cost, a new kind of fragmentation connecting-rod steel is developed.
为提高发动机性能、减轻质量和降低生产成本，开发了一种新型的裂解连杆用钢。
In order to improve engine efficiency and torque as well as the engine performance, plastic intake manifold was developed for CA4GE engine.
为了提高发动机的效率和扭矩、改善发动机的性能，针对CA4GE发动机研究、设计、开发了发动机塑料进气歧管。
The results of dynamometer tests proved that the microcomputer controlled ignition system has a better effect in improving engine performance.
台架试验结果表明，该微机控制的点火系统对改善发动机的性能有较好的效果。
The experimental results also show that the design of the hot-surface ignition system is of parparamount importance to the engine performance.
试验结果还表明，热面点火系统的设计对发动机性能有着极为重要的影响。
The core part of the piston CAM engine is the spatial cylindrical CAM with dual surfaces, whose profile affects the overall engine performance.
凸轮活塞式发动机的核心部件为双面空间圆柱凸轮，其轮廓曲线将影响发动机的工作性能。
The fuel pressure signal was considered as the performance testing parameter of the spray system in high speed diesel engine performance testing.
在高速柴油发动机喷油系统性能检测中，一般以燃油压力信号作为喷油系统性能检测参量。
The F-5 is an agile, highly maneuverable, reliable supersonic fighter, combining advanced aerodynamic design, engine performance and low operating costs.
F - 5是一架灵活、高度可控、可靠的超音速战斗机，它结合了先进的气动设计、发动机性能和低运营成本。
The effect of preheating intensity on engine performance has analysed, and the parameters for evaluating preheating intensity are suggested as well.
分析了进气预热强度对发动机性能的影响，并提出了进气预热强度的评价指标。
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