柴油机

The relationship between bosch smoke unit and particulate concentration are analyzed,as well as coefficient of light absorption.

分析了波许烟度、吸光系数与柴油机排气中碳粒质量浓度的关系。

The fatigue reliability analysis for the 16V240ZJB diesel engine crankshaft inserving DF4B internal-combustion locomotive were carried out in thisdissertation.Firstly,according to the fatigue loads of the crankshaft,the bendstress and torsion stress at danger zone in rated operation modes werecalculated respectively.The stress randomicity of the crankshaft was analyzedrelating operation modes of acceptance,and the probability distribution ofstresses were obtained with statistical analysis.

运用本文所提出的疲劳可靠性分析模型(干涉模型-Miner准则综合法及弯扭复合模型)和经分析简化得到的材料p-S-N曲线和p-Sa-Sm-N曲面，分别按一维、二维疲劳应力及弯扭复合应力三种情况对东风4B型内燃机车16V240ZJB柴油机曲轴进行了疲劳可靠性分析。

The diesel engine's noise is measured by using the acoustic pressure method.

采用声压测量法对柴油机进行了整机噪声的测量，通过试验研究成功分离了发动机的燃烧噪声、机械噪声及进气噪声。

Assembled Shifeng "FuXing"six-wheel farming chassis.24 horse power steam plus cycle used single vat diesel engine and 11KW electric motor as motor power;this type can use both diesel engine and motor to operate the machine.

使用时风&福星&六轮农用车底盘，装配24马力蒸循两用单缸柴油机和11KW电动机做动力，可分别使用柴油机和电动机作业。

Produced by single-cylinder diesel engine parts, more than 10 species more than 30 specifications, mainly to diesel engine manufacturers throughout the country and Southeast Asian countries and regions.

公司生产的单缸柴油机零部件，十余个品种三十多个规格，主要销往全国各地柴油机生产厂家及东南亚国家和地区。

What went wrong I do not understand engines, you said oil seal is the diesel engines that place the oil seal ...

是什么地方出了错我不明白柴油机，你说的油封是柴油机的那个地方的油封。。。

Because of variety of tasks, the badness of working condition, unsbenchlow speed and incline of overspeed, construction vehicle usually use dieselengine with fullscale actiyator as power source.

由于工程车辆作业条件与作业工况复杂、多变，以及柴油机怠速不稳、易于超速的缺点，所以工程车辆一般采用全程调速柴油机作为动力源。

The effects of biodiesel blending fuels with different biodiesel fractions on the exhaust emission characteristics of the diesel engine were investigated on a heavyduty automotive electronically controlled highpressure commonrail diesel engine. Five diesel/biodiesel blends were tested according to ESC steadystate 13mode test cycle without modifications of engine construction and parameter adjustment.

针对一台大排量电控高压共轨柴油机，在发动机的结构和参数不作变动和调整的条件下，使用5种生物柴油混合燃料进行ESC稳态排放测试，研究了不同生物柴油含量的混合燃料对柴油机排放特性的影响。

Furthermore, increasing injection pressure can also improve the performance of model 6150 turbocharged diesel engine.

喷油压力的改变，也对柴油机性能有一定影响，优化这些参数，能够进一步改善柴油机的性能。

At the same time, pattern recognition has been used for abstracting characteristics、predicting the life and evaluating the properties of engine. This research contributes toward global diagnosis for the diesel engine in eight ways.(1) Put forward"the Arithmetic of distinguish the period automatically using auto-correlation method";(2) Separate the waves of continuous knocks using WV distribution;(3) Propose"the logarithmic spectrum approximate method"to analysis the response of the knock between the steel and steel;(4) Discuss the relationship between the time-frequency distribution and timescale distribution in detail, and give the principle of classification;(5) Use the wavelet method to analysis the pressure signal of exhaust、suction;(6) Use the shape of vibration signal to analyse the working situation of cylinder;(7) Use the pattern recognition to select the good samples and abstract the effective characteristics;(8) Develop the model of total properties evaluation and life prediction.

本文在广泛的、深入研究的基础上，应用多种信号处理手段来分析处理数据，同时利用模式识别方法对故障的特征提取、寿命预测以及性能评价作了探讨，本文进行了以下几项工作：（1）提出了基于自相关自动周期识别算法的柴油机振动信号预处理策略；（2）提出了基于WVD分布的连续撞击响应信号的分离策略；（3）提出了基于对数谱拟合方法的钢—钢撞击响应求解模型；（4）提出了基于波形分析的非正常燃烧振动信号的诊断模型；（5）提出了基于小波细节信息的进气压力信号和曲轴箱压力信号的诊断模型；（6）提出了基于小波近似的喷油正时信号中燃烧位置的自动定位；（7）提出了基于统计模式识别方法的故障诊断知识的自学习与自组织策略；（8）提出了基于特征压缩思想的柴油机总体性能评价及寿命预测模型。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。