转子的

The rotor, supported by babbitt metal made bearing, suspends on the bearing pad thanks to oilfilm lubrication by the fuel feeding system. The end clearances can be adjusted automatically to make oilfilm on both ends the same thickness and ensure no leakage. Compared with screw compressors whose output ends would clasp, this compressor has no possibility of the bearing and rotor biting together.

采用航空级的巴氏合金轴承支撑的转子，通过供油系统提供的油膜润滑：转子能悬浮与轴瓦上，并自动调节端面间隙，使两端油膜厚度相并无泄露，该轴承能保证转子轴绝无咬死之可能，而螺杆压缩机因受轴向力的作用排气端间隙，容易有咬死，抱紧现象。

Based on the geometry and motion chamacteristics of hydraulic end in eccentric and squirmy rotor pump, the stress and restriction condition of rotor during the squirmy process were analyzed. According to the design parameters of eccentric and squirmy rotor pump, the load and restriction condition at six operating points were calculated and anaized.

针对偏心蠕动式转子泵液力端的几何结构及运动特性，分析了转子平面蠕动运动过程中的受力以及约束情况，并结合偏心蠕动式转子泵实际设计参数，计算和分析了泵工作过程中的6个工况点的载荷和约束。

The phase of ω0 frequency fluctuates tempestuously. The resonance peaks of flexural and torsional vibrations response are present at 2/3ω0 1/2ω0 1/3ω0 and 1/4ω0 with three kinds cracked rotor models. Near 1/2ω0 frequency, quasi-periodic and chaotic motions maybe appear. Periodic, quasi-periodic and chaotic motions show on alternately when the rotating speed is near to 2/3ω0.Combined step-by-step integral method with traditional transfer matrix method, an increment transfer matrix method is put forward.

研究结果表明：各种故障情况下，华北电力大学博士学位论文弯振和扭振之间都存在祸合关系，但弯扭祸合振动一般不会威胁机组安全运行：在叶片丢失或滑环飞脱故障时，将产生很大的弯振，同时各转子扭振也将被激发出来，它以工倍频和前三阶固有频率为主；在各种电气故障情况下，各转子都很快被激励出较大幅值的扭振来，相应各转子弯振也发生一定的变化，但它的变化明显滞后于扭振，扭振和扭矩主要以前三阶固有频率为主。

Simulations show that the proposed observer can track rotor flux vector in a large speed range and be robust to the variable rotor time constant.

仿真结果表明该转子磁链观测器可以在较大速度范围内跟踪转子磁链矢量的变化，同时对变化较大的转子时间常数具有一定的鲁棒性。

The use of CAE on the analysis of motor rotor-bearing system, During the numeric model processes, the finite element method is used to build the discrete model and analytical theory of the rotor-bearing system. The entire system is divided into several dividable substructures, each of which develops individual systematic mathematic model. Finally, the motion equation of whole structures is combined by the integrity of the dynamic variables and force balances on connections of each substructure.

本文探讨马达转子-轴承-框架系统之结构动态特性，提供动态特性之关系设计过程中，其转子-轴承系统的动态设计考量方法，利用电脑辅助工程技术，以有限元素方法，先将马达转子-轴承-框架系统分离各个部位成为子结构，将子结构个别的数学模型加以离散化，最后以各子结构结合面上节点的动态参数一致性及力系平衡，连结离散化子结构成为整体结构的运动方程式。

The working principle of the rotor pump: rotor pumps rely on the two synchronous reverse rotation of the rotor (2-4 teeth) during rotation in the entrance have a suction, to be inhaled in order to transport materials.

转子泵的工作原理：转子泵依靠两同步反向转动的转子(齿数为2—4)在旋转过程中于进口处产生吸力，从而吸入所要输送的物料。

Analyzing on the fault of local rubbing caused by compatible misalignment of rotors, a dynamic model for the rotor system with misalignment and rub-impact was established. Then the dynamic behaviors of this system, which varied with the values of parallel misalignment and declination, were investigated by using numerical integral method.

以水轮发电机组转子系统为研究对象，针对刚性联轴器综合不对中引起转子局部碰摩的问题，建立了机组转子不对中–碰摩耦合故障的动力学模型和微分方程，并利用数值积分方法研究该系统随不对中平行量和偏角参数变化的动力学行为。

The wirings of the wheel would lead to an output letter from the first rotor with a different value, let's say 'D', this impulse would then go to the second rotor, and the same thing would happen there, and in the third rotor.

该轮的线路，将导致从一个不同的输出值的第一个字母转子，我们说'D'类，这种冲动然后到第二个转子，而同样的事情会发生在，在第三转子。

To obtain more uniform temperature distribution and relative lowest temperature over cross section of the rotor, on the basis of test data of a given example of a 150MW turbo generator with air coolant, numerical solution of two dimensional modelling equations of air turbulent flow and heat transfer in and between cooling duct and rotor were carried by the Finite Volume Method at condition of varying configuration parameters of sub slot, the number of winding's cooling ducts and center distance of them, and the diameter of slot wedge.

为了能够得到转子截面较均匀并且最高温度值较低的优化温度分布，文中在150MW空冷汽轮发电机转子实验研究基础上，改变副槽的几何形状、径向通风沟的条数及间距、槽楔出风口直径等几何量，采用有限体积法求解转子本体及通风道内空气的传热及紊流流动等二维离散方程组。

In order to coordinate with the model experiment of rotor, three rotor temperature measurement systems are developed in the paper. System No.1 transfers temperature signal through slip rings. Multi-channel switch circuit is installed on the rotor and changes multi-channel input into one-channel output, thus multi–channel temperature signal can be transferred through less slip rings than the common solution.

为了配合转子模型的实验工作，本论文研发了三套转子测温系统：第一套是通过滑环传递温度信号的测温系统，转子上安装多点信号切换装置，将多路信号输入变为选通的一路信号输出，可以利用较少的滑环传递多路信号。

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％。