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气缸压力
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  cylinder pressure
     Reconstruction of Diesel Engine Cylinder Pressure Based on BP Neural Network
     基于BP神经网络的柴油机气缸压力重构
短句来源
     The bench test shows that the power, economy and emission of SDA-02 modified engine oil has been improved, with a reduction of fuel consumption of 5-10%, increase in output power by 6.4% (2700r/min), increase of cylinder pressure of 28.9%, and increase of idle speed by 10.2%, and reduction of idle emission of HC and NOX by 60% and 20.5% respectively.
     发动机台架试验表明:SDZ-02型改性发动机油的动力性、经济性和排放性均有较大改善,可节省燃油5%~10%,输出功率增加6.4%(2700r/min),气缸压力增加28.9%,怠速提高10.2%,怠速排放HC和NOx分别降低60%和20.5%。
     Identifying Method for Cylinder Pressure of Diesel Engine Based on Local Wave and Hilbert Transform
     基于局域波和Hilbert变换的柴油机气缸压力识别方法
短句来源
     Identification of Diesel Engine Cylinder Pressure and Timing of Combustion
     柴油发动机气缸压力和燃烧始点的辨识
短句来源
     Spectrum Analysis of Cylinder Pressure of Internal Combustion Engine
     内燃机气缸压力频谱分析
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  in cylinder pressure
     The second injection pump drive and installation, the secord injector arrangement, the cylinder head and rocker arm support modifications are described in detail, as well as the installation of crankshaft rotation angle grating disc which is necessity for combustion research in cylinder pressure sensor.
     详细论述了喷油泵的安装和驱动、喷油器的布置、气缸盖和摇臂座的改造以及气缸压力传感器、曲轴转角信号光栅盘轴的安装。
短句来源
  “气缸压力”译为未确定词的双语例句
     The pressure sensor is Kistler 6117A46 spark plug piezoelectric pressure sensor.
     压力传感器为瑞士Kistler公司的6117A46型火花塞式气缸压力传感器。
短句来源
     Research on cushion valve based on pressure feedback ror high speed cylinder
     高速气缸压力反馈式缓冲阀研究
短句来源
     This paper introduces an intelligent diagnosis instrument of diesel based on dual-MCU of TMS320C31 and AT89C52.The instrument detects valve and cylinder cover abrasion,the pressure of diesel cylinder according to build-model by measuring the vibration signal of diesel cylinder header.
     本文介绍了一种基于TMS320C31和AT89C52双微处理器芯片构成的柴油机综合智能诊断仪。 该仪器通过测量柴油机缸盖、机身的振动信号和气缸压力,检测气阀磨损、缸套磨损,反推气缸压力等。
     The method, when applied to waveform recovering is easier to be realized by hardware because of the simplicity of its computational procedures, which gives considerable significance in source signal real time monitoring and fault diagnosis.
     采用时域反滤波方法恢复时域波形比基于频域变换重建气缸压力波形方法,计算环节少,易于硬件实现,对源信号的实时远距离监测和故障诊断具有十分重要的意义。
短句来源
     This paper introduces an intelligent diagnosis instrument of diesel based on dual MCU of TMS320C31 and AT89C52.The instrument detects valve and cylinder cover abrasion,the pressure of diesel cylinder according to build model by measuring the vibration signal of diesel cylinder header.
     本文介绍了一种基于 TMS32 0 C31和 AT89C5 2双微处理器芯片构成的柴油机综合智能诊断仪。 该仪器通过测量柴油机缸盖、机身的振动信号和气缸压力 ,检测气阀磨损、缸套磨损 ,反推气缸压力等。
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  cylinder pressure
However, the maximum cylinder pressure, maximum pressure rise rate and combustion noises of the DME engine are lower than those of diesel.
      
Detection of cylinder pressure in diesel engines using cylinder head vibration and time series methods
      
This offers an effective means for diesel engine cylinder pressure detection and condition monitoring.
      
An interlaboratory comparison of piston-cylinder pressure calibration using the albite-breakdown reaction
      
The best results (coupled to acceptable cylinder pressure levels) is obtained at a diesel fuel substitution value of 75% of maximum load, with an LPG mass fraction in the range 10 to 15%.
      
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  in cylinder pressure
Heat release occurs as the result of this reactivity and leads to an increase in cylinder pressure and temperature and eventually to ignition.
      
The newly proposed model gives good predictions of trends in cylinder pressure and exhaust NOx emissions for both the engines.
      
Variation in cylinder pressure, unburned and burned temperature with crank angle.
      


In order to analyse and evaluate the combustion process in diesel

为了分析和评定柴油机的燃烧过程,须要从气缸压力——曲轴转角图计算放热规律。本文通过对不同方法的计算结果进行比较和分析,选定了冷却散热的计算方法,燃烧始点的计算方法和放热终点的确定方法。介绍了编制的通用计算程序的框图。还提到了利用放热规律计算结果分析问题的一些方法。

In this paper a digital recording system for cylinder pressure diagram

本文介绍了一种测取气缸压力图的数字记录系统。该系统也可以用来测取发动机的其它瞬变参数。文中还介绍了在压缩上止点附近取样的方法和一种结构紧凑、分辨率较高的曲轴转角信号发生器。

It has been a major concern of the designer of a reciprocating compressor that the overall high-press are cylinder designed by traditional method is usually liable to fracture. From the point of view of fracture mechanics and taking into consideration the effects of cyliuder size material properties and it straeture mechanism as well as the real load characteristi(?). this paper derives some new reliability criteia for the design of high pressure cylinder. Various metallic material samples taken from real high...

It has been a major concern of the designer of a reciprocating compressor that the overall high-press are cylinder designed by traditional method is usually liable to fracture. From the point of view of fracture mechanics and taking into consideration the effects of cyliuder size material properties and it straeture mechanism as well as the real load characteristi(?). this paper derives some new reliability criteia for the design of high pressure cylinder. Various metallic material samples taken from real high pressure cylinders (P_d=320atm) are used to make fracture mechanics testing in order to find out the rules governig the orack growth in fracture toughness. The characteristics of the load ratio are analogous to those of the pressure ratio of high pressure cylinders. Based on experimental results we presont the limited values and control level of stress range, crack (impurities) length and the threshold stress intensity amplitude △K_(th). With these experimental data available, the reliable design of a high-pressure cylinder is ensured.

用传统方法设计的压缩机整体式高压气缸经常发生断裂,已成为压缩机行业重大的技术障碍之一。本文用断裂力学的观点,结合高压气缸的结构因素、材料性质和载荷谱特性,导出设计计算高压气缸的可靠性准则,并用不同材质的320atm高压气缸本体试样进行裂纹发展规律的实验研究,实验中采用的载荷比模拟实际气缸的压力比.根据实验数据给出保证可靠性所允许的应力幅度、裂纹(缺陷)尺寸及相应的界限应力强度因子幅度⊿K_(th)的控制指标.

 
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