It is shown that the error of transient engine speed measurement comes from both the time interval counter and crank angle measure.
瞬时转速测量的主要误差为晶振脉冲计数误差和转角计量误差。
It can measure the oil film thickness, oil temperature, crank Angle, speed, journal center locus and minimum oil film thickness of main bearing in diesel engine.
该系统可测量内燃机主轴承的油膜厚度、油膜温度、曲轴转角、转速、轴心轨迹和最小油膜厚度。
The results showed that:the combustion processes in the engine could be observed, and the flame images and pressure changes with the crank angle could be recorded;
并进行了初步的试验，结果表明：该装置能够观测到发动机缸内的燃烧过程，能够记录下燃烧过程照片和缸内压力随曲轴转角的变化规律；
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