在确定分析方法基础上,对拉杆转子的动力学特性进行了分析,得到了拉杆转子的临界转速随拉杆拉紧力增大而增加的变化规律。
Using the method, the rod fastening rotor dynamics was analyzed, and the discipline of the rod fastening rotor critical speeds increase with total tighten force was abstained.
临界转速是离心压缩机转子系统的主要动力参数之一。
Critical speed is one of the important dynamic parameters of the rotor system in centrifugal compressor.
本文研究转子系统临界转速的实验测定法。
In this paper the experimental methods for determining the critical speeds of rotor systems are investigated.
开发的程序可以计算转子各阶模态振型与临界转速,进行稳定性的分析。
The program can calculate modal shapes and critical speeds, analyze the stability of the rotor system.
因此,永磁同步电动机转子-轴承系统临界转速计算是一个典型的机电耦合问题。
Therefore, the calculation of critical speed of anisotropic supporting rotor-bearing system of the PMSM is a typical mechanical and electrical coupling problem.
并利用转子支承都具有一定弹性的特点,通过改变转子支承刚度达到调整转子临界转速和振动形态的目的。
Then the critical rotate speed and vibration shape are changed by changing the supporting stiffness with the characters of flexibility of rotor.
在稳态试验的基础上,对转子过前两阶临界转速的振动抑制进行了研究,并实施开环瞬态振动控制。
On the basis of steady state tests, the vibration suppression of the rotor through the first two critical speeds has been done.
采用MATLAB语言编制了对传递矩阵法计算多柔盘转子-支承系统的临界转速;
Secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi-tray rotor bearing system by MATLAB language.
利用ANSYS中的旋转结构分析模块对转子系统进行动力特性分析,特别是对不同结构的转子进行了临界转速的计算。
In this paper, the dynamic characteristics of a rotor system was analyzed by ANSYS rotating machinery module, especially for the critical speeds of the rotor with different structures.
将弹性支承轴系分为转子子系统与支承子系统,假定在交联点处的位移阻抗值,则可由频率方程序确定转子子系统的临界转速。
By assuming impedance values of the coupling points, the critical speeds of the rotor subsystem can be determined from its frequency equation.
本文先提出了弯曲刚性临界转速与弯曲挠性临界转速的概念,然后又提出半挠性转子的概念。
In this paper, first, the concepts of the bend-rigid critical speed and bend-flexible critical speed of rotors are presented, and then the concept of a semi-flexible rotor is presented.
第七章研究了转子系统降速过程中过临界转速时的减振问题,讨论了其平衡方法。
In chapter seven, the problem of reducing vibration in the speed-down process of a rotor system is noticed and its balancing methods are discussed in detail.
在进行大量计算后得到了可供实际使用的各型转子临界转速计算图线。
After a great quantity of calculations the critical speed diagrams are obtained, which can be used in...
为了避免转子超越弯曲模态的临界转速,转子轴伸长度应控制在安全范围内。
The shaft extension should be maintained at a safe range in order to avoid critical speed at rotor bending modes.
在进行大量计算后得到了可供实际使用的各型转子临界转速计算图线。
After a great quantity of calculations the critical speed diagrams are obtained, which can be us...
结果表明,基于转子的一阶、二阶和三阶临界转速以及轴向固有频率幅值能有效地检测涡轮泵的故障。
The results show that the turbopump faults can be detected effectively by using the amplitudes of rotor first, second and third order critical frequency as well as axial intrinsic frequency.
而挠性转子在接近或超过其第一、二阶临界转速时,转子处于共振状态,这时动挠度达到很大的数值。
The dynamic deflection may become very large due to resonance in case of the flexible rotor speed approaching or exceeding its 1st or 2nd order critical speed.
多级离心泵转子的干临界转速与湿临界转速差别较大,计算值与试验值基本一致。
The "dry" and "wet" critical speeds of multistage centrifugal pump rotor are quite different. The calculated and measured critical speeds are in good agreement.
本论文的核心内容是:应用谐波小波和人工神经网络理论对转子轴承系统动力参数——临界转速进行识别与修正。
The central content of this thesis includes identifying and revising the critical rotate speed-dynamic parameters of rotor-bearing system by the artificial neural network theory and harmonic wavelet.
本文还给出了转子在临界转速处的不平衡响应的预报方法。
Additionally the prediction of the rotor response to imbalance at critical speed can give an assessment of condition of the rotor balance.
在本文中,根据磁轴承-转子系统的动力学方程,为高速机的转子临界转速的有限元法(FEM)的方式计算出来的。
In this paper, based on the dynamical equation of magnetic bearing-rotor system, the critical speeds of the rotor for a high speed machine by means of finite element method (FEM) are calculated.
当本体长度达到直径的6倍以上时,转子的第二临界速度将接近于电机的运转速度,运行中可能发生较大的振动。
When the body length to 6 times the diameter of the above, the rotor speed will close to the critical speed motors, operation of vibration may occur.
当本体长度达到直径的6倍以上时,转子的第二临界速度将接近于电机的运转速度,运行中可能发生较大的振动。
When the body length to 6 times the diameter of the above, the rotor speed will close to the critical speed motors, operation of vibration may occur.
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