喷油压力

柴油机喷油压力的智能开关型模糊PID复合控制

Study on the Intelligent-Switch Fuzzy-PID Control for the Fuel Injection Pressure of Diesel Engines

喷油压力波动对喷嘴内空穴发展影响的CFD分析

CFD Analysis for Effect of Injection Pressure Fluctuation on Cavitating Flow in Diesel Engine Nozzle

在一定的EGR率范围内，提高喷油压力可降低THC排放和其中CH4成分。

In certain EGR rate range , both THC emission and CH4 component in THC can be reduced by increasing injection pressure .

提高喷油压力对6110Z型柴油机燃烧过程的影响

Effect of Increasing Injection Pressure on Combustion Process in 6110Z Diesel Engine

在发动机模拟软件AVLboost上使用均匀试验设计方法安排了不同水平的喷孔直径、喷油压力、喷油提前角和燃烧室压缩比对柴油机性能影响的模拟试验。

By using uniform design experimentation , a simulation test based on AVL boost was done to study the influence of nozzle diameter , injection pressure , injection timing and compression ratio on performance of diesel engine .

柴油机喷油压力波形的分析方法

Pattern Recognition of Oil Jet Pressure Waveform of Diesel Engine

柴油机喷油压力波形的符号描述与结构模式分类

Symbolic Representation and Sural Pattern Parsing for Fuel Pressure Waveform of Diesel

根据喷油压力波形特征判断燃油喷射装置故障部位

Fault location for fuel injection device according to waveform characteristic of injection pressure

夹持式喷油压力传感器电压波研究

Investigation on Voltage Waves Measured by Clamp-On Pressure Transducer for Fuel Injection System

然后，根据柴油机喷油压力波形的特点，具体讨论了压力波形的符号化方法及步骤，并给出了描述实例。

Then the symbolized means on pressure waveform of diesel fuel injection system is discussed .

高强化柴油机涡流比与喷油压力匹配的多维燃烧模拟研究

Numerical Simulation of Matching Swirl Ratio and Injection Pressure in a High Intensified DI Diesel Engine

喷油压力、喷油始点、喷油持续角和喷油率均取决于柴油机转速和负荷。

The injection pressure , timing , duration and rate depend on the engine speed and load .

根据某自行火炮喷油压力的波形特点，分析确定了反映典型故障的特征参数。

The feature parameters extracted from the waveform of the full injection pressure reflecting typical faults are analyzed .

喷油压力和燃烧室壁面干涉对喷雾混合过程的影响

An Investigation of Effects of Injection Parameters and Chamber Wall Confinement on Spray Characteristics in Constant Volume Bomb

在该流动模型中，考虑了喷油压力、喷孔几何尺寸、流动因素以及喷雾背压的影响。

An orifice flow model , which takes account of the injection condition , orifice geometry , was constructed .

改变的参数有：混合燃料的配比、喷油压力、碰壁位置。

The parameters changed as follow : the ratio of the mixed fuel , injection pressure , impingement location .

柴油机电力传动柴油机电力传动装置电控柴油机共轨管进出油口位置对喷油压力波动的影响

Oil electric drive Effect of Entrance and Outlet Position of Common Rail in Electronic-control Diesel Engine on Inject Pressure Fluctuation

柴油机油压信号在起喷点和最大喷油压力点往往包含着故障信号的重要特征。

Diesel oil pressure signal often contains important fault features at the spray point and the maximum injection pressure point .

在油泵出油阀端，采取渐缩管结构措施，利用管路动态效应提高喷油压力；

The construction of conical nozzle is used by pump 's delivery-valve , making use of the dynamic characteristics of conventional .

此外，还以四种喷油压力调整试验所对应的四个燃烧持续期为水平，进行了局部调整参数的模拟计算。

Four combustion durations corresponded with the tests of fuel injection pressure adjustment are used as the 4 levels in simulative calculation .

喷射初期喷雾的贯穿距离和贯穿速度几乎不受介质压力的影响；喷雾的贯穿距离受喷油压力的影响不大，但随着喷油压力的提高，喷雾锥角增大，喷雾质量得到改善。

At initial time of fuel injection , the spray penetration length and its velocity are not dependent on the medium gas pressure .

喷油压力对碳烟排放量的影响较为复杂，对噪声水平影响较小；

The influence of fuel injection pressure on smoke emission value is comparatively complicated , while its influence on noise level is comparatively small .

高喷油压力、高喷油率条件下喷油器的设计和研究水平越来越受到关注。

Therefore , the capability of design and research on injector with high injection pressure and rate is to be paid more and more attentions .

在柴油机上提高喷油压力和加装燃油加热装置后，进行了燃用菜籽油的耐久性试验。

The durability of diesel engine fueled with rapeseed oil was tested after the fuel injection pressure improved and a fuel pre-heating device was installed .

另外撞击反弹方向和喷油压力等也是影响混合气形成和燃烧的重要因素。

The direction of fuel spray after impingement and opening pressure of nozzle were important factors to influence fuel and air mixing and burning process .

最后就柱塞副磨报后供油提前角和喷油压力的调整策略提出了新观点。

And new viewpoints about the adjust of the fuel delivery advance angle and fuel-injection pressure were put forward under the condition of plunger wear .

实机试验表明，该控制策略的应用保证了柴油机急减速时转速与喷油压力的平稳过渡，减少了燃油消耗与废气排放，改善了车用柴油机的调速性能。

The test results indicate that engine speed and common rail pressure can be precisely and flexibly controlled to meet the requirements for diesel engines .

随着喷油压力的提高，最高气缸压力和放热率峰值基本随之增大，燃烧持续期缩短。

As the injection pressure increased , the maximum cylinder pressure and the peak heat release rate both increased . And the combustion duration was shortened .

在定容弹系统上研究了喷油压力、环境背压和温度对喷雾特性参数的影响。

The influence of injection pressure , the back pressure and temperature in the constant volume chamber on the spray characteristic parameters of gasoline fuel was studied .

研究结果表明：供油提前角、喷油压力、气门间隙、转速、负荷率五个运用参数对柴油机烟度排放、噪声水平的影响是相互联系相互作用的，不是独立的；

The results of the study reveal that the influence of the five operating parameters on smoke emission , noise level is correlative instead of being independent .