It is significant for equivalence principle test for extended rotating bodies with a torsion balance to measure the internal friction torque of a gyroscope. 本文简要阐述等效原理的研究背景,通过对自由落体法和扭秤法检验等效原理的详细介绍来具体讨论等效原理的实验检验。
The simulation of the internal flow field inside the converter was made to reveal the substantial cause for the performance improvement of torque converter. 对内流场进行了仿真分析,探讨了液力变矩器性能提高的本质原因。
Rotating bearing plate reduces internal loading for lower starting torque and long-life operation. 旋转支承板,降低了较低的起动转矩和长寿命运行的内部装载。
The internal characteristics of the torque converter were calculated from its tested external characteristics by the method of proration. 根据综合式液力变矩器外特性的试验结果,应用比例分配法对其内特性进行了计算。
The total internal torque in any system is equal to zero. 任何一个系统,其总内转矩等于零。
The results show that the algorithm is simple and reliable, it can be used to study the internal properties of hydraulic torque converters. 结果说明,本文提出的算法简单可靠,可供研究液力变矩器内特性时应用。
Study on Methods of Internal 3-Dimension Flow Field Numerical Simulation and Performance Prediction for Hydrodynamic Torque Converter 液力变矩器内部三维流动数值模拟与特性预测方法研究
This paper described the characteristics of cold form tapping of 300M steel internal threads, analyzed its mechanism and studied through experiments the torque variation during cold form tapping. 本文介绍了300M钢内螺纹冷挤压成形特点,分析了冷挤压加工机理,并对冷挤压加工过程中扭矩变化规律进行了实验研究。
Loss analysis of internal flow in torque converter 液力变矩器流场损失的分析
Based on the model of two kinds of relative stream surface, a finite dement method for internal flow field calculation in torque converter is developed. 本文以两类相对流面模型为基础,发展了变矩器内部流场计算的流体有限元法。
Significance and principle of laser doppler fluid velocity meter applied to the measurement of internal flow field of hydraulic torque convertor are described, as well as the optical system configuration for flow field measurement of general impeller type mechanisms. 介绍了激光多普勒流速计应用于液力变矩器内部流场测量的意义、测量原理,以及用于测定一般叶轮机械流场的光学系统组成;
Then, based on eliminating the internal force inherent in redundant mechanism, torque of each driving joint are calculated from the force acting on the terminal of the parallel-mechanism. 然后,基于消除冗余并联机构固有内力的原则,由冗余并联机构的末端力得到机构各个主动关节的驱动力。
These matrices represent the internal connection of stator coil groups and the final connections to two independent three-phase supplies of different frequencies and voltages. The resulting model of electrical performance and the associate torque equations simulate the interactions among the machine, the converter and the utility supply. 并根据电机的实际接线,利用连接矩阵得到电机与不同频率、电压的两个独立电源相联的特性方程,这个方程能仿真电机、变频器与供电电源间的相互作用。
The presented model not only takes into account the internal motion which the rod rotates about its own axis due to the use of flexible spherical joint but also analyzes the reaction torque generated by the elasticity deformation of flexible spherical joints. 所建模型不仅考虑了因柔性铰链的特殊性,微机器人连杆绕自身轴线转动的内部运动,还分析了柔性球铰弹性变形产生的反力矩。
The calculation of internal characteristics and the choice of optimum blade angle for the single stage torque converter 单级涡轮液力变矩器的内特性计算与最佳叶片角度的选择
An improved adaptive control approach based on sliding-mode control is proposed in this paper for the spacecraft subjected to internal perturbation torque. 文中基于滑模控制方法提出一种改进的自适应姿态控制规律,适用于有内扰动力矩存在的航天器。
The ratchetings of piping under internal pressure and bending moment and pressure and torque were evaluated, and ratcheting boundaries have been determined in this study. Also ratcheting of pressurized pipe with pit defect was analyzed. 本文对直管道在内压与弯矩和内压与扭矩组合载荷下的棘轮效应进行了预测分析,确定出相应的棘轮边界,同时对含球形凹坑缺陷压力管道的棘轮效应进行了分析研究。
The import and export point of pump wheel, turbine, guide pulley of Torque converter is very important. The internal characteristics of the torque converter. External characteristics and efficiency of its transmission has played a crucial role. 液力变矩器的泵轮、涡轮、导轮的叶片形状是十分重要的,对液力变矩器的内部特性、外部特性以及对其传动效率起到了至关重要的作用。
Therefore, different conditions needed to be analyzed in the internal torque converter flow field,. Identify the main factors affecting its efficiency. 故需要分析不同工况下液力变矩器的内部流场特性,找出影响其效率的主要因素。