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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。收藏指正
2.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。收藏指正
3.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。收藏指正
4.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。收藏指正
5.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。收藏指正
6.Auxiliary Calculation with PC Computer for Obtaining Rotational Inertia of the Rotary Parts on Drilling Rig
钻机旋转件转动惯量的PC机辅助计算收藏指正
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