研究往复运动件变惯量下的曲轴系自由扭振特性。
Considering the variable inertia of the reciprocating parts, free torsional vibration characteristics of crankshaft are studied.
首先建立了推进轴系的扭振模型，并进行了扭振特性计算。
Firstly the torsional vibration model of the propulsion shafting was built up and its performance parameter was calculated.
该方法能明显地改善轴系的扭振特性，可用于多种内燃机减振器的优化设计工作。
The method greatly improves the characteristics of torsional vibration of shafting and can be used in optimum design for several engines.
目前大型汽轮发电机组轴系扭振特性的现场试验中广泛采用稳态不对称短路变频激振法。
Presently, the method of steady state unbalanced currents is widely used in the field test of torsional vibration characteristics of large-scale steam turbine generator rotor system.
进而在符合机床实际加工状态的边界约束条件下，利用传递矩阵法对传动链扭振特性作了计算分析。
Under new boundary restraint condition in accordance with the actual working condition of the machine, the torsional freqency response is computed with complex transfer matrix method.
为了进一步掌握动力传动系各个部件的扭振情况，选取动力传动系中的重要位置和部件进行了稳定工况下的强迫扭振特性分析。
The important placement and components were chosen to study the forced torsional vibration in steady conditions to further understand the torsional vibration of the components on the power driveline.
利用开发的TVCA-1软件对汽车动力传动系进行了较全面的扭振计算分析，讨论了系统在不同档位下的固有特性。
Using the TVCA-1 software developed to calculate and analyze in detailed the power driveline of vehicle, the inherent characteristics in different gear locations were discussed.
从分析结果可以看出，二维计算才能真实地反映出水闸单墩的模态特性，并且水闸扭振的影响是不可忽略的。
The calculated result indicates that the two dimensional analysis can really reflect the modal characteristics of the sluice, and the effect of the twist vibration of the buttress cannot be neglected.
通过动扭剪试验研究饱和粉煤灰的动孔隙水压力特性、动强度特性以及振陷变形特性。
Some behaviors of saturated flyash such as pore water pressure, dynamic strength, and dynamic deformation are studied by the dynamic torsional shear test.
在进行汽轮发电机组轴系扭振分析时，通常假设轴系材料特性参数为常数。
In the process of torsional vibration analysis for turbogenerator rotors, the material characteristics parameters of shafts are often considered to be constant.
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.
将大型汽轮发电机系统作为一类复杂开放系统，基于非线性科学分析了该系统的动力学特性，论述了该系统轴系扭振的原因及其本质。
The causes and essence of the torsional oscillation of large turbogenerator which consider as a kind of complex open system was investigated by using nonlinear science theory.
介绍了汽轮发电机组轴系扭振模拟系统的设计原则，利用雷卡迪传递矩阵分析计算了汽轮发电机组轴系扭振的固有特性。
The paper introduces the principle of torsion vibration simulator on turbo-generator rotor system, and computes natural characteristics using Riccati matrix.
分析了粗轧机主传动扭振模型及动态特性计算方法。
The analytic model and dynamic response solution for torsional vibration of main driving system on rougher of rolling mill were studied.
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'.
本文研究了叶片三心(重心、扭心、气动力中心)对颤振特性的影响。
The effects of three centres, i. e. aerodynamic centre, centre of gravity and centre of torsion, of blade on fluttering have been studied.
本文研究了叶片三心(重心、扭心、气动力中心)对颤振特性的影响。
The effects of three centres, i. e. aerodynamic centre, centre of gravity and centre of torsion, of blade on fluttering have been studied.
应用推荐