| 1. | There is a actual example of application of rotary inertia
该文通过一个实例来阐述选择惯量的具体应用。 |
| 2. | The natural frequencies of the intelligent beam with the rotary inertia and shear deformation of the beam are lower than that without those
考虑梁的转动惯量和剪切变形时，智能阶梯梁的频率比没有考虑时的要低。 |
| 3. | The result also denotes rotary inertia and the shear formation of the beam have significant effect on the high frequencies
粘结层剪切弹性模量对一阶频率影响较小；考虑梁的剪切变形和转动惯量时，对梁的高阶频率影响较大。 |
| 4. | Adopting high slip motor and increasing the rotary inertia of the rotating parts is an effective approach to achieving good power - saving effect of beam pumping units
采用高转差率电动机，并增加旋转件的转动惯量，是综合提高游梁式抽油机节能效果的有效途径。 |
| 5. | The high power eletric motor increases the rotary inertia . after balance adjustment , the mechanical viberation and running noise of the rotary parts are remarkably reduced
：采用大功率电机后转动惯量较大，转动零件经过平衡调整后机械震动和转动噪音较以前产品显著减小。 |
| 6. | The main factors influencing power saving of the beam pumping unit with high slip motor are pumping speed of the unit , slip ratio of the motor and rotary inertia of rotating parts
指出影响使用高转差率电动机的游梁式抽油机节能的主要因素是抽油机的冲次、电动机转差率和旋转件的转动惯量。 |
| 7. | The paper tests tracks " dynamic responses by using euler beam model with no accounts of shear and rotary inertia effects and timoshenko model with consideration of shear and rotary inertia effects respectively
不考虑轨道的几何不平顺，不考虑阻尼，分别采用不考虑剪切效应和转动惯量作用的euler梁模型和考虑剪切效应和转动惯量作用的timoshenko梁模型对轨道动力响应进行了模拟。 |
| 8. | It is inevitable to choose servo motors while designing a cnc tool machine or parts , except the power , torque and rotating speed of motor , rotary inertia is a important performance to be must considered , especially in the occasion of rapid and exact feed moving
摘要在数控机床及功能部件的设计中，选择伺服电动机时除了要考虑它的功率、输出转矩和转速等性能指标外，电机的惯量也是一个很重要的指标，尤其是应用于要求快速、准确定位的场合。 |
| 9. | The mass characteristic parameters of hslrfo include mass , mass center , centroid , lateral misalignment of mass center , rotary inertia , dynamic balance , etc . since the lateral misalignment of mass center is the most important mass characteristic parameter , the demand for the measuring precision of this parameter is very stringent
高速远程飞行物体的质量特性参数有质量、质心、形心、质心横偏量、转动惯量、动平衡等内容,其中最重要的是质心横偏量,因此,在测量中,对质心横偏量的测量精度有着更高的要求。 |
| 10. | Abstract : in the light of the problems of high power consumption and low working efficiency in a beam pumping unit , a new method for power saving of the unit is proposed , that is , adopting an optimum structure of the unit and decreasing the periodic load coefficient of the pumping unit by changing the performance characteristics of the electric motor and by increasing the rotary inertia of the unit
文摘:针对游梁式抽油机能耗大，工作效率低的问题，提出游梁式抽油机节能的新方法，即在采用优化抽油机结构的基础上，通过改变电动机的工作特性和增加抽油机转动惯量的办法降低抽油机周期载荷系数。 |
