The early rub impact fault detection of an engine rotor system in noise circumstances is researched.
研究了在有噪环境下发动机转子系统早期碰摩故障的检测问题。
Thus, in the primary project of the engine rotor system, it is very useful to predict the dynamic parameters which the flexible supports must have.
因此，在发动机轴系初步设计时，预先估计弹性支承应具有的动力特性参数是很有意义的。
According to the calculating methods of current rotor structure dynamic characteristics, a general calculating program of analyzing aero-engine rotor system is developed.
结合现有的转子结构动力特性计算方法，开发出分析航空发动机转子系统动力特性的通用计算程序。
The relative correlation distance entropy is applied to fault diagnosis and state recognition of aero engine rotor-case system.
将相对关联距离熵应用于航空发动机转子—机匣系统状态识别和故障诊断。
There is inevitable unbalance in the dual-rotor system of the aero-engine, the beat vibration will occur to engine when two rotors are operating at approximately the same speed.
在双转子航空发动机中，由于转子系统不可避免地存在不平衡量，当两个转子的转速比较接近时，发动机会出现拍振现象，拍振将引起振动强度过大问题。
An improved transfer matrix method-Whole transfer matrix method was applied to calculation of the critical speeds and vibration modes of a dual-rotor system with engine casing.
提出了一种新的计算转子机匣系统动力特性的方法—整体传递矩阵法，并在此计算方法的基础上进行了系统应变能的计算和分析。
An improved transfer matrix method-Whole transfer matrix method was applied to calculation of the critical speeds and vibration modes of a dual-rotor system with engine casing.
提出了一种新的计算转子机匣系统动力特性的方法—整体传递矩阵法，并在此计算方法的基础上进行了系统应变能的计算和分析。
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