The analysis and research of engine cylinder pressure and transient speed is the important method to obtain the working condition and breakdown reason of engine.
对发动机气缸压力和瞬时转速的分析和研究是获取发动机工作情况和故障原因的重要手段；
Based on the engine vibration character induced by the piston impact on the cylinder, it is practical to judge the clearance condition between them by engine surface vibration intensity.
本文讨论了活塞撞击引起的发动机振动特性，指出利用表面振动信号判断活塞缸套间的间隙状态是可行的。
This offers an effective means for diesel engine vibration and noise control, condition monitoring, and cylinder pressure recognition.
为柴油机的振动噪声控制、状态监测，以及缸内气体压力的识别提供了一种有效的方法。
Referring to GB18352 test operate-condition, in order to test the emission of CNG-engine, and combustion condition in the cylinder is inspected using combustion-analysis instruments.
参照GB18352的试验运转循环工况的规定，在发动机台架上对汽油机燃用cng的排放污染物进行测试，并利用燃烧分析仪对气缸内燃烧状况进行辅助监测。
Measuring and analyzing the cylinder pressure of the diesel engine is import to improve the diesel engine performance, control the injecting timing , condition monitor and fault diagnosis.
柴油机气缸压力的测量和分析对于改善内燃机的工作性能、进行柴油机最优点火和喷油时刻控制，排放控制以及状态监测和故障诊断都具有很重要的作用。
Combining the experimental condition, the author aims to study the vibration of 2-cylinder diesel engine i. e. YC2108 after reading a lot of relevant scientific papers at home and abroad.
作者在阅读了大量国内外关于柴油机减振降噪的研究文献后，结合公司的具体实验条件，对以YC 2108为代表的两缸柴油机进行振动控制研究。
The research and analysis of the in-cylinder flow fields in a four valve engine under the motored condition have been carried out.
在倒拖工况下对四气门发动机气缸内流场进行了实验研究和分析。
The in cylinder turbulence is measured under the condition of a motored engine by using a hot wire anemometry.
缸内紊流测量是用热线风速仪在倒拖发动机试验台上进行的。
Taking a 4-cylinder diesel engine as the calculating model, the conclusion is proved that correct while keeping the other operation condition fixed.
以四缸柴油机为模型，在其它条件基本不变的情况下，通过计算证明了结论的正确性。
Taking a 4-cylinder diesel engine as the calculating model, the conclusion is proved that correct while keeping the other operation condition fixed.
以四缸柴油机为模型，在其它条件基本不变的情况下，通过计算证明了结论的正确性。
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