On one hand, the eccentric movable mass blocks form uniform load on the excitation shaft, the rotating radius is shortened, and the stability of the mechanical vibrator is increased. 激振轴上偏心活动质量块在其上形成均布载荷,缩短了回转半径,增加了起振机的稳定性;
The load forecasting function of software of city distribution automation system is discussed. It develops on the DAS of a movable platform model bases and control program of load forecasting. 研究城网自动化系统中负荷预测模块的功能,开发DAS平台下负荷预测模块的模型库及其控制程序-
On the base combined with example, the paper analysis and points that changing angular velocity of rotating movable arm in lifting mechanism is the factor of dynamic load and instability. 在结合实例的基础上,分析并指出工作装置举升机构中,动臂回转角速度的变化是产生动载和导致不平稳的因素。
According to dynamic similarity theory an experimental model with 1:100 ratios is made out of raw material of ABS plastic in this paper For the train movable load on the surface of bridge, full load of train is considered as the only load behavior. 本文以ABS塑料为原料,按照动力相似理论,制作了一个比例为1:100的试验模型。
The pre-stressed effect analysis, the continuous variation effect analysis and the movable load effect analysis are introduced. 介绍了桥梁结构分析中的预应力效应分析、徐变效应分析和活载效应分析。
Finally, the experimental investigation results, which including the effects of movable heat insulate layer on temperature profile in furnace and combustion efficiency at low load, are introduced. 介绍了低负荷运行时可调卫燃带对炉内温度场及燃烧率影响的模拟试验结果。
According to the functionary times of transportation times and spatial location between pipelines and roads, three kinds of transportation load models are put forward, i.e. long-term evenly distributed load, movable invariable load and stable simple harmonic load. 根据交通荷载的作用次数以及管道与道路的空间位置,提出了三种交通荷载模型,即长期均布荷载、移动恒载和稳态简谐荷载;
The results prove that the movable heat insulate layer has obvious effects on improving the temperature profile in furnace and combustion efficiency of coal fired boiler at low load. 试验表明:可调卫燃带对改善锅炉低负荷时炉内温度分布及提高燃烧效率具有十分明显的效果。
This paper analyses the arrangement of movable target simulator system, wind load of antenna, structure type of enclosure frame, power of azimuth drive motor and levelling problem of trailer, and gives main parameters of the system structure and some calculation results. 本文对移动式目标模拟器系统的布局、天线的风载荷、机柜骨架的结构型式、方位驱动电机的功率、拖车的调平问题作了分析,给出了系统结构的主要参数和一些计算结果。
According to results of planar analysis and three-dimensional analysis, comparisons of influences between different factors, long-term evenly distributed load and movable invariable load, planar analysis and three-dimensional analysis toward pipelines are carried out respectively. 根据二维分析和三维分析的结果,分别将不同因素对管道的影响、长期均布荷载和移动恒载对管道的影响、二维和三维分析对管道竖向位移的影响进行了对比分析。
The control volume method ( SIMPLEC) and movable boundary technique were used in solving the equations of water and sediment movement. The velocity field, the concentration field of the suspended load and the river-bed deformation were simulated. 在求解水流泥沙运动方程时,采用控制体积法(SIMPLEC程式)及动边界技术,对水流速度场、悬移质浓度场及河床变形进行了数值模拟。
Investigation showed: the fuel assembly of electromagnetic movable coil control rod drive mechanism is firm enough to suffer from the impulsive load, so it suits using in the reactor. 结果表明:池式研究堆可移动线圈电磁驱动机构驱动线的跟随燃料组件能承受冲击载荷的作用,符合反应堆运行要求。
By way of setting up movable coordinate system which keeps same phase with wind direction. The analysis and calculation of wind load on the structure at random wind direction are achieved, and also the expression of torque under wind load is given. 通过建立与风向同相位活动坐标系的方法,实现了对任意风向下结构风载的分析与计算,给出了该塔架风载扭矩的表达式。
Mechanics performance and simplified calculation method of industrial building truss with up down structure interactive under the movable crane load 工业厂房网架在桥吊荷载作用下上下部结构协同工作的受力特性与简化计算法
We discuss the changes which are impacted by load and speed in the law of structure stress, strain and displacement under movable invariable load and harmonic loads without considering horizontal force. 在不考虑水平力因素的情况下,分别讨论两种荷载模型作用方式下,轮载和车速对结构应力、应变和位移的变化规律。