转子

Based on this theory, a new fluid excitation nonlinear vibration model of rotor seal system was set up.

传统密封动态特性八参数模型是以线性系统稳定性为基础的，Muszynska模型在一定程度上发展了八参数模型，反映了流体激振力的某些非线性特性，但在描述转子密封系统大涡动状态下的非线性特点时，就有很大的局限性。

At the beginning of the numerical simulation, the nonlinearity of rotor system supported by journal bearing has been studied.

在仿真构成中，先分析了转子系统的非线性特性随着不平衡增长的变化。

It is similar with normal induction motor with high efficiency and power factor while operation with the adoption of parallel star-shape connection and nonparticipation of appended interspaced resistor. During starting stage the adoption of unique serial triangle connection with the participation of appended interspaced resistor improves the starting performance with the character of low start current and high start torque.

它正常运行时，采用并联星形连接，使得中间附加电阻不参与运行，其运行性能类似于普通感应电动机，具有较高的效率和功率因数；而在起动时，采用独特的串联三角形连接，使得中间附加电阻参与运行，相当于转子电阻增加，从而有着起动电流小、起动转矩高的优良的起动性能。

Dynamic analysis shows that the system can get stable commutating voltage to attain the load-commutation if there is no nonperiodic transient current component in the rotor.

动态特性分析表明，只要不出现转子暂态电流，系统可获得稳定的换流电压而实现负载换流。

In the perturbation approach the ro-vibrational Hamiltonian is expanded in terms of the normal coordinates, their conjugate momenta, and the rotational momenta. The harmonic oscillator and rigid rotor wavefunctions are then used as the basis functions.

根据光谱理论，在谐振子和刚性转子的表象中，通过切变换导出一个等效的哈密顿量，考虑各种共振相互作用后，对角化哈密顿矩阵得到本征能量。

Problems of normal transitional curve s and the effects of which on the performance of rigid rotator model vane pump is pointed out.

指出了常见过渡曲线存在的问题及其对叶片泵性能的影响，根据叶片泵最佳过渡曲线满足的条件，在系统分析的基础上得出刚性转子式叶片泵最佳过渡曲线方程。

The semi-low normal distribution membership function of fatigue limit is determined, and the anti-fatigue fuzzy reliability compute formula of rotor is deduced. The fuzzy reliability model of rotor anti-fatigue is set up. Taking an internal shaft of the rotor of aero electric generator for an example, its reliability design can be realized by adopting the anti-fatigue reliability design theory presented in the dissertation.

首次确定出了疲劳极限降半正态分布形式的隶属函数，推导出了转轴抗疲劳的模糊可靠度计算公式，建立了转轴抗疲劳的模糊可靠性模型；以航空发电机转子内轴为例，对其进行了抗疲劳的可靠性设计，并用本文建立的抗疲劳的模糊可靠度计算公式，对其进行了模糊可靠性校核。

The numerical method for the equation is studied and numerical simulation on a practical rotor-bearing system is carried out.

并针对具体的转子－轴承系统模型进行了数值仿真。

Norma mode lets you set run condition using the numerical keyboard and parameter entry keys: ROTOR, SPEED, TIME, TEMP, ACCEL/DECEL, Or you can recall a program you've previously stored in memory. Then press START the instrument is auto-program controlled.

您设定好运转参数，按相关参数键、数字键，如转子号、转速、时间、温度、加/减速速率，或直接调用已存储的程序号，按启动键后仪器自动进入程序控制。

The results show that the computing speed and stability of numerical value are greatly improved compared with other Transfer Matrix Methods.

利用此方法进行了多转子耦合系统的临界转速和振型的计算，结果表明，计算速度和数值的稳定性与其它传递矩阵法相比具有明显的提高。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。