查询词典 instantaneous angular velocity

The calculated result of the distribution of the mean flow velocity and turbulence energy has been given under the different calculated conditions,such as model functions and disposition of grid and Reynold numbers...

分别给出了时均流速和紊流动能分布的计算结果，并分别与实验结果进行比较和分析，得知在不同计算条件下对计算结果的影响程度，计算结果与实验结果较好符合。

In this acticle, thermal oil velocity was determined in accordance with Reynold criterion, in order to be convenient for heat transfer of thermal oil and prevent thermal oil carbonizing.

为了便于导热油的传热和防止结焦现象，根据雷诺准则确定了导热油在管束内的流速。

This study found that pump jet's inflow velocity affect all flow field when in shallow water; pump-jet almost avoids tangling problem;rim-driven propellers can easily clean tangled material by reversing operation or different speed, and can still operate even when ropelike material stuck with the blades.

研究结果发现：在模拟泵喷推进器出入口方面，入口流速只在浅水时对整个流场影响较大。

The criterion of stability and formula of the criti-cal rotative velocity obtained just is the same as that of the linear theory ofContensour-Magnus complately.

所得的稳定性判据及临界转速的表达式与Contensou-Magnus线性理论完全相同。

Compared with the induction generator and the synchronous generator, the doubly-fed generator shows few differences in structure, but the most outstanding characteristic is that it has no special requirement on rotative velocity to the axes.

从结构上看，双馈发电机与常见的感应发电机和同步发电机无太大的差别，但它却有一个引人注目的特点，即对轴上输入转速无任何特殊的要求。

It used frequency spectrum of analysis and low-pass filter to calculate the motor s rotative velocity from the vibration signals collected on site.

根据某大型电机在线监测诊断系统的具体情况，在开发在线振动监测系统的过程中综合应用频谱分析、低通滤波等方法，从实测振动信号中精确计算了主轴转速的大小。

The paper presents the working principle, performances and system structure of the monitoring system for the current and rotative velocity of stretch reducing mill at Baogang Steel Tube Plant.

针对宝钢钢管厂张力减径机在生产中的问题，研制了在线监测减径机电流和转速微机系统，本文介绍系统的工作原理、性能、结构及其在应用中取得的满意效果。

The results show that the transmission characteristics are affected by exoteric irregularities,specially at sensitive wavelength,but its frequency is mainly determined by rated rotative velocity of the shaft.

结果表明，万向轴传动特性受外界干扰的影响，在敏感波长不平顺作用下最为显著，但其频率特征则主要由万向轴名义转速决定。

The result shows that the temperature for copolymerization, the dosages of initiator and cross-linker are major factors while the amount of dispersing agent and rotative velocity of agitator are minor factors affecting the absorbility.

结果表明聚合温度、引发剂浓度和交联剂用量是决定吸水率和吸盐水率的主要因素，而分散剂用量、搅拌转速对反应结果影响不明显。

The effect of anisotropy vary with the azimuth of fracture, especially a couple of level waves which have different schismatical degrees because of the difference of azimuth and velocity difference.

研究表明：①裂隙密度增大，各向异性效应增强，三类波的速度减小，衰减系数增大，特别是P波的衰减系数十分敏感，因此，可以利用振幅、速度等特征确定裂隙发育带。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。