Platform friction damper is an effective measure to reduce the blade vibration in gas turbine. 因此,它是叶轮机械中一种非常简单有效的减振措施。
Study on Dynamic Measurement and Seismic Retrofit of a Building with Friction Damper 某办公楼动力测试与摩擦阻尼抗震加固的研究
Semi-active Control of Wind-induced Vibration Response of Benchmark Model Based on Smart Piezoelectric Friction Damper 基于智能压电摩擦阻尼器的Benchmark模型风振响应半主动控制
In order to decrease the vibration of a blade, a dry friction damper is installed on a blade platform to introduce attached damp. 为了减小叶片振动,在叶片缘板部位设置干摩擦阻尼器,以引入外加阻尼。
The friction of tuned mass damper may be generated in the process of mass moving and can also be produced by the friction damper device in design. 调谐质量阻尼器质量块在运动过程中产生的摩擦力不可忽视,在设计过程中可加入摩擦阻尼装置产生摩擦力,这些摩擦力能够消耗输入建筑物主体的地震能量。
The vibration mitigation approach based on passive friction damper for transmission tower is presented and the multi-degree-of-freedom ( MDOF) model of transmission line is developed. 提出了一种适用于高耸输电塔结构风振控制的摩擦阻尼方式,并采用多自由度模型建立了输电导线的动力分析模型。
The testing routine is helpful to find a comfortable configuration format in engineering of dry friction damper. 所用实验方法有助于快速获得满足工程稳定性的减振结构参数。
Finite element analysis and application of friction damper tangential contact stiffness 阻尼器切向接触刚度的有限元分析及应用
A test rig is designed and set up to examine the feasibility and effectiveness of a new type of dry friction damper. 建立了弹性支承干摩擦阻尼器实验装置,验证了弹支干摩擦阻尼器的可行性和有效性。
The response of vibration system vibration can be efficiently reduced by a dry friction damper. 采用干摩擦阻尼器可以有效抑制系统的振动。
Coulomb dry friction model is used. The differential equations of rotor-elastic support-dry friction damper system are given. 建立了转子弹性支承干摩擦阻尼器系统中转子的运动微分方程,采用库仑摩擦模型描述摩擦力。
According to different damped ratios, calculating model has been established. Conclusions show that friction damper energy dissipation braced light gauge steel structure has consumed the most of seismic energies and alleviated harmful earthquake effect of main structure. 并根据摩擦阻尼器阻尼比的不同取值,建立计算模型,经过计算表明:安装有摩擦耗能支撑的轻型钢结构本身消耗了大部分的地震能量,减轻了主体结构的震害;
Numerical analysis for piezoelectric friction damper control of structure vibration 压电变摩擦阻尼器减振结构的数值分析
It is an economical and effective anti-seismic measure that friction damper is applied in the light gauge steel structure. 目前,应用摩擦阻尼器对轻钢加层结构进行减震是经济有效的抗震措施。
In this paper, based on the configuration and mechanical characteristics of piezoelectric actuator and T shape friction damper, a piezoelectric-T shape variable friction damper is presented and its damping model is established corresponding to actively adjusting input voltage or adjusting input voltage in displacement-dependent and velocity-dependent modes. 本文结合压电驱动器和T型摩擦阻尼器的特点,提出了压电-T型变摩擦阻尼器,并建立了阻尼器输入电压主动调节或按位移和速度相关调节的阻尼力模型。
The results show that elastic support/ dry friction damper can stabilize and reduce the vibration of rotor system. 从理论上分析了弹支干摩擦阻尼器的减振机理,并证明了弹支干摩擦阻尼器可以用于转子系统的减振和镇定。运用能量平衡法确定了带有干摩擦阻尼器的转子的镇定边界。
In this paper, the theoretical analysis of dry friction damper, its application to reduce structural vibration and mathematics model of dry friction damper were discussed. 从干摩擦阻尼特性的理论分析、干摩擦阻尼器的数学模型的建立以及在结构减振设计上的应用等方面进行了论述。
For the sake of investigating the vibration problem of blade with platform dry friction damper, we introduce the transfer matrix method for calculating the catenulate structure system, and give the transfer matrix method for calculating the blade vibration. 为了研究带缘板干摩擦阻尼器叶片的振动问题,本文将用于链状结构系统的传递矩阵法引入到板状结构的叶片振动计算之中。
The approach of semi-active control to eliminate brake roughness with controllable friction damper is presented and the concept and method have been successfully demonstrated on a typical mid-size vehicle. 提出了应用半主动控制摩擦阻尼器消除刹车不平顺性的方法。车辆道路试验证实了半主动控制摩擦阻尼器消除刹车不平顺性的可行性。
Our test shows that local velocity feedback control is a excellent algorithm for piezoelectric friction damper, and it can control structure displacement and velocity response with low cost of acceleration response. 试验结果表明:局部速度反馈控制,用于调节压电摩擦阻尼器阻尼特性是十分有效的,它可以使结构在不增加加速度反应的条件下降低结构的位移和速度反应。
The mechanism of vibration reduction and support characteristics are analyzed and a friction damper is designed. The effect on an unbalanced response is studied. 分析了该支承的减振机理和支承特性,设计了摩擦阻尼器,研究了其对转子系统不平衡响应的影响。
Earthquake response and control analysis of isolation structure with piezoelectric friction damper 压电摩擦阻尼隔震结构地震响应及控制分析
Property analysis of a piezoelectric friction damper 新型压电摩擦阻尼器本构模型的分析
The application of a new friction damper to heavy machinery vibration control 新型摩擦阻尼器在重型机械振动控制中的应用
It is explored the vibrational energy dissipation theory of a new dry friction damper and its application in vibration control of a building. 探讨了一种新型耗能摩擦阻尼器的耗能原理及其在建筑结构振动控制中的应用。
The dry friction damper consists of an elastic support, two plates, a spring and a fixed support. 干摩擦阻尼器由弹性支承、两个摩片、弹簧以及固定支承组成。
And the design of axle-box suspension takes account of wheelset locating, wheel-rail lateral force and travel stability, etc., the friction damper method is, therefore, one of the key technology in axle-box suspension. 轴箱悬挂设计需要兼顾轮对定位、轮轨横向力和运行平稳性等多方面性能,因而摩擦减振方式仍然是轴箱悬挂的关键技术之一。
As the friction damper has a simple structure, perfect energy dissipation capacity, not Affect by the frequency of the load, it has been widely used in Construction. 摩擦阻尼器由于具有结构简单、耗能能力强、不受荷载频率影响等特点,在建筑工程中得到了广泛的应用。
In the moderate and strong earthquake, double stroke damping force variable friction damper damping effect are slightly better than the centripetal type friction damper. 在中震和罕遇地震作用下,双行程可变阻尼力摩擦阻尼器的减震效果均略优于了向心式摩擦阻尼器。
The study of decreasing vibration of aircraft hydraulic pipe was done using friction damper principle in this paper. 本文以飞机液压导管为研究对象,利用摩擦阻尼原理对导管的减振进行了研究。