Using entropy theory, the droplet distribution of diesel spray is predicted in this paper as well.
运用最大熵原理，对柴油在不同喷油条件下的粒度分布做了预测。
This paper presents a study of diesel spray characteristics of spray shape and droplet diameter in a uniform flow field but at different gas velocities.
本文研究了柴油机喷雾在不同气体流速场中的喷雾结构特性和粒度特性。
The results of diesel spray experiment show the entrainment phenomenon between surrounding gas and diesel spray, and the vortexes appear in parts of the atomizing area.
利用该系统所进行的柴油喷雾实验表明，喷雾与空气相互作用产生卷吸现象，在局部雾化区域形成涡流。
And then the velocity of diesel spray and ethanol spray are measured by processing the reconstructed trajectory image with the method of particle measurement proposed in the paper.
利用本文所提的粒子测量方法对所得的轨迹再现像进行处理，实现对柴油喷雾场和乙醇喷雾场的速度测量。
This indicates that smaller drops of L30 are more than those of diesel, spray quality is good, and engine smoke reduces accordingly.
说明L 30喷雾所产生的小颗粒液滴多于柴油，雾化质量提高，碳烟排放得以大幅度降低。
These requests are resided to to the company with vehicle and other heavy type vehicle, economy and credibility first, therefore mostly adopt to high-efficiencily keep a spray type diesel engine.
这些要求对于商用车辆和其它重型车辆，经济性和可靠性居于首位，因此大多采用高效率的直喷式柴油机。
A mathematic model of spray wall-impingement was established based on discrete droplet model (DDM) considering the operating conditions of diesel engine.
基于离散液滴模型(DDM)，结合柴油机实际工作情况，建立了喷雾碰壁的数学模型。
The spray wall-impingement experiments of dimethyl ether(DME) and diesel were carried out in a constant volume chamber by using a high speed camera.
在压力定容室内，利用高速摄影机对二甲醚（DME）和柴油进行了喷雾碰壁的试验研究。
The gas flow and fuel spray status in combustion chamber are two important factors which affect the mixture formation in diesel cylinder.
而气缸或燃烧室内的气流运动和燃料的喷雾特性，是影响柴油机混合气形成和燃烧过程的两大重要因素。
The effect of different diesel parameters such as spray impingement mode and fuel supply advanced Angle and injection opening pressure on the performance and emissions is compared and analyzed.
比较分析了柴油机不同参数，包括喷雾碰撞形式、供油提前角、启喷压力等对第三代伞喷燃烧性能和排放的影响。
This paper presents a method in which using computer image identity tests the leakage of fuel spray nozzle in diesel engine.
提出了采用计算机图像识别技术的柴油机喷油嘴渗漏检测方法。
The quality of fuel spray is decided by the structure of nozzle and high-pressure fuel pipe in the pump-tube-nozzle fuel injection system, and it influences the whole diesel combustion.
泵-管-嘴式喷油系统中喷油嘴与高压油管的结构参数决定燃油的喷雾质量，从而影响整个柴油机的燃烧状况。
This paper presents some experimental results of the instantaneous macro-speed of diesel fuel spray and the micro-speed of droplets in a diesel fuel spray by using double pulse holographic technique.
本文介绍利用双脉冲激光全息术研究柴油机喷雾油束的宏观运动瞬时速度和喷雾粒子的微观运动速度。
The spray has been thoroughly investigated with a diesel combustion model. A rapid compression and expansion machine capable of simulating the diesel compression stroke has been made.
本文作者在自制的压缩膨胀装置中模拟有涡流和无涡流情况下的柴油机压缩过程，并用高速摄影方法拍摄喷雾的扩展形态。
Droplet distribution of the fuel spray inside a diesel combustion cham-ber has an important influence on engine performance.
燃烧室内燃油雾场的分布状态是影响柴油机性能好环的重要因素。
Precise metering of both the quantity of fuel injected and the fuel spray pattern brings the petrol engine closer to the efficiency of today's reborn diesel engines.
精准的测量出喷油量和油雾散开模式，从而使汽油发动机释放出接近当今获得重生的柴油发动机的效率。
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 high speed photography was applied to visualize the fuel spray and ignition process in main and prechamber in a swirl type diesel engine at cold starting condition.
本文对涡流室式柴油机在冷起动条件下主、副燃烧室内燃油喷雾和着火过程进行了高速摄影。
The basic requirements and the practical value range of the key parameters in the optical measurement of diesel fuel spray are analyzed.
分析了柴油机喷雾场光学测量中关键参数的基本要求和取值范围与测量系统的主要误差来源及计算公式。
The spray impingement of DME is simulated and compared with that of diesel.
利用该模型对二甲基醚碰壁过程进行了模拟计算，并与柴油作了对比分析。
The changing of detailed structure of diesel nozzle tip greatly affect the flow characteristics in the nozzle hole and the performance of the following breakup of spray.
柴油机喷嘴头部细微结构的变化对内部流动有显著的影响，进而影响到喷雾油束雾化性能。
In addition, the dual-component spray model was built up to simulate the spray and mixture formation of ethanol-diesel blend fuel in the engine cylinder before the ignition.
另外，建立了双组分喷雾模型并模拟了气缸内乙醇柴油混合燃料的喷雾过程与混合气分布情况。
Near the chamber wall and impingement spray, the spray angle of the diesel fuel spray increased very fast, but that of the DME spray almost had no significant change.
在燃烧室壁面附近，柴油的喷雾锥角迅速增大，而DME喷雾锥角几乎没有明显的变化。
The fuel spray is very important to the power performance, fuel consumption , exhaust emission of diesel .
燃油的雾化质量对发动机的动力性、经济性和排放性有着重要的影响。
The influence of injector nozzle four orifices flux distribution on fuel spray and ZH1105 diesel engine is studied.
探讨了四孔喷油器流量分布对燃油喷雾和柴油机性能的影响。
The influence of injector nozzle four orifices flux distribution on fuel spray and ZH1105 diesel engine is studied.
探讨了四孔喷油器流量分布对燃油喷雾和柴油机性能的影响。
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