vibration intensity meaning in Chinese
振动强度
Examples
- Abstract : based on analysis of the characteristics of equipment operation , and accordin g to the vibration intensity , a grey prediction model is established by use of g rey system theory
文摘:分析了设备运行状态的特征，运用灰色系统理论对设备状态特征量? ?振动烈度，建立了灰色预测模型。 - In this article ， the vibration of a three - cylinder engine equipped on cars is discussed . after the theoretical analysis and practical measurements ， we improved the balance characteristics according to rule of over - balancing . meanwhile ， the position of supporting and the rigidity of the shock absorber are adjusted . as a result ， the vibration intensity of this set is greatly reduced and has reached the anticipant level
本文以一实际的三缸车用发动机为例，经计算分析与实测，采用过量平衡法改善其平衡特性以及对该机的支承位置和减振器刚度进行调整后，使该机组振动烈度大大降低，达到了预期效果。 - With the input of a vibration acceleration history of subway train , a full dynamic analysis of soil - pile - structure is carried out . the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed . some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source , vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source , the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction , the vibration velocities and accelerations at the end points of each story of a building are the nominal identical , which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings
本文以北京地铁八王坟车辆段地上超大结构(车辆段大平台及其上的小区楼房)及其地基基础为研究对象，在研究和分析有关资料的基础上，用快速拉格朗日有限差分法软件flac建立了二维数值分析模型，并以列车振动加速度时程作为模型输入，进行了地基?桩基础?地上结构的整体动力学分析，分析了地铁列车运行产生的振动在地面的传播规律及其对地上结构的影响，得到了如下结论： ( 1 )随着与地铁线路距离的增大，地面的振动强度有减小的趋势； ( 2 )地面竖直方向的振动强度较之水平方向的略大； ( 3 )随着与振源距离的增大，在水平方向上，地上各幢楼房的振动强度由底层和顶层的最大、中间层的最小逐渐过渡到沿楼层增高而减小； ( 4 )在竖直方向上，每幢楼各层端点的振动速度、加速度完全相同，表明楼房各层在竖直方向上的运动状态一致； ( 5 )各幢楼房竖直方向的振动强度比水平方向的大； ( 6 )增加轨道弹性是减轻地面和地上建筑振动的有效途径。 - Based on the numerical simulation method of finite element , the calculation method of particle vibration velocity , an important index reflecting the blasting vibration intensity , is discussed ; and an comparison analysis of the calculation results between two different kinds of charge structures decked with air and water is made
基于有限元数值模拟方法的基础上对反映爆破震动强度的重要指标质点振动速度的计算方法进行了探讨，并对空气和水两种不同间隔装药结构下的震动强度计算结果进行了对比分析。 - According to the present situation and developing trends on condition monitoring and fault diagnosing of hydroelectric sets at home and abroad , and taking the technique of data fusion diagnosis hydroelectric sets as theme , this dissertation researches into data fusion fault diagnosis method based on dempster - shafer theory , and applies this technique to hydroelectric sets vibration fault diagnoses for the first time , and presents that using sub - band energy of vibration frequency to reflect the vibration intensity of hydroelectric sets
本文根据国内外关于水电机组状态监测与故障诊断研究的现状与发展趋势，以机组振动故障的信息融合诊断技术为研究主题，对基于dempster - shafer证据理论的信息融合故障诊断方法进行研究，首次将该方法应用到水电机组振动故障诊断中，并提出了用机组振动各频率的子带能量反映其振动强度的方法。