简单的压缩机轴系扭振频率一般根据比率系数就可对其进行判定；
The shaft torsional vibration analysis is a key technique in the design of the compressor shaft, which determines the safety operation of the compressor.
计算结果表明，机组扭振频率避开了工频与倍频，轴系不会因共振而破坏。
The calculation result indicates that the torsional vibration frequency will avoid from power frequency and multiple frequency.
轴系扭振频率和响应计算采用连续质量模型，次同步谐振特性分析采用集中质量模型。
The continuous model is adopted in the torsional vibration frequency and resonance of shaft system, the lumped parameter equivalent applied in the sub-synchronous resonance.
其次，在双质量飞轮设计模型的基础上，分析了双质量飞轮转动惯量系数、扭转刚度、变速器与系统扭振频率的关系。
Secondly, the relationship between rotary inertia coefficient, torsional stiffness, transmission gearbox and torsional vibration frequency is analyzed on the basis of the design model.
最后使用有限元法计算了某钢厂冷轧机主传动轴系的扭振固有频率和转矩放大系数。
Finally, the torsion vibration nature frequency and torque amplitude factor of a rolling mill are calculated by using finite element method.
本文分析了内燃机曲柄连杆机构往复运动件的高谐次运动对轴系惯量变化和固有频率的影响，并对一多缸机轴系进行了扭振计算。
The effects of high order motions of reciprocating parts on the variation of inertias and natural frequencies of crankshaft system are discussed in this paper.
采用摄动法研究了楔形杆轴的固有纵扭振动，并且推导出了其固有纵扭振动的振型函数及频率特征方程。
The natural longitudinal or torsional vibration of a wedge-shaped shaft is studied with perturbation method. The vibration mode function and the frequency characteristic equation are derived.
依据设计原则，利用模态刚度矩阵、模态质量矩阵和模态频率相似进行了扭振模拟机轴系的设计，扭振模拟机轴系前三阶固有特性与实际机组轴系扭振动特性基本一致。
By modal stiffness matrix, modal mass matrix and modal frequency, shaft units of simulator is designed. The former three steps natural characteristics are identical with the real units'.
每一段的扭振方程可精确求出，然后，根据边界条件和连续条件可将扭振固有频率计算出来。
The torsional vibration equation can be solved exactly in every segment, then the natural frequency is given by using continuous conditions and boundary conditions.
每一段的扭振方程可精确求出，然后，根据边界条件和连续条件可将扭振固有频率计算出来。
The torsional vibration equation can be solved exactly in every segment, then the natural frequency is given by using continuous conditions and boundary conditions.
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