摘要
基于AVL Excite Designer软件建立了6150型柴油机曲轴动力学模型,得到主轴承在标定工况下的轴心轨迹图及最小油膜厚度图,并据此对轴承的工作状况进行分析。试验结果和理论结果比较表明,最小油膜厚度理论值与试验值接近,但轴心运动轨迹的计算结果同试验结果有一定的偏差:同时试验也验证了所开发的试验装置可以方便地进行曲轴轴心轨迹的试验测量和分析,可以实时对船用柴油机的轴承工作状态进行评估。
In order to get trajectory diagram of journal center and minimum oil film thickness diagram in calibrated work condition, 6150 diesel engine crankshaft dynamic model was built with AVL Excite Desig- ner software. Based on these, analysis was carried out on the working condition of the hearing. Contrasting test results with theoretical values, it shows that the results of minimum oil film thickness is close, whereas the results of trajectot7 diagram of journal center has some deviations. This experiment also verifies that the testing unit can measure and analyze trajectory of journal center conveniently and evaluate working state of diesel engine＇ s bearing in real time.
出处
《柴油机》
2014年第1期34-37,共4页
Diesel Engine
关键词
船用柴油机
主轴承
轴心轨迹
电涡流传感器
marine diesel engine
main bearing
trajectory of journal center
electrical current eddy transducer
