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- The squeeze film damper (SFD) is of great importance to reduce the vibration of rotating machines. 摘要挤压油膜阻尼器对旋转机械的减振具有重要作用。
- This paper investigates the influence of fluid inertia force on the sudden unbalance response of flexible Jeffcott rotor supportedon squeeze film damper (SFD). 本文首先建立转子系统的微分方程,然后在考虑油膜惯性力的情形下,分析了转子的突加不平衡响应,并和不考虑惯性力的结果进行了比较。
- New-style squeeze film damper with elastic ring(Elastic Ring Squeeze Film Damper,ERSFD) was designed to improve characteristics of the squeeze film force of the SFD. 本文研究了一种新型挤压油膜阻尼器---弹性环式挤压油膜阻尼器(ERSFD)以改善传统挤压油膜阻尼器(SFD)的油膜力特性。
- A lumped parameter model was developed for predicting the transient motion of mirrors, taking into account electrostatic and tensile forces and viscous air damping via squeeze film theory. 考虑静电驱动力、张力和空气阻尼衰减对变形镜回复过程的影响,建立一种复合参数模型来预测变形镜的瞬态行为。
- Stress distribution of squeeze film, first, is derived by Reynolds equation. Next, nonlinear property of a squeeze-film damper is analyzed with the aid of "two coefficient method". 首先借助Reynolds方程导出挤压油膜的压力分布 ;然后采用二系数法分析挤压油膜阻尼器的非线性特性 .
- This paper investigates effects of squeeze film for microstructures that oscillates in the normal direction.The governing equation uses the Navior-Stokes equation and makes several assumptions. 本论文主要是研究空气阻尼作用对于微结构所造成的影响,并以史托克方程式作为出发点,经由假设之后,将简化后的方程式作为控制方程式,此方程式即为可压缩雷诺方程式。
- The characteristics of stiffness and damping for two kinds of dampers is obtained through a study of dynamic parameters of general squeeze film damper(SFD)and hydrostatic squeeze film damper(HSFD). 通过对以窄阻尼器为代表的普通型挤压油膜阻尼器(SFD)和以四油腔垫式阻尼器为代表的静压型挤压油膜阻尼器(HSFD)的动力学参数的对比分析,获得了两种阻尼器的刚度和阻尼特性。
- The analytical results indicate that squeeze film damper can effectively control the excessive elastic deformation and improve the steady-state performance of elastic linkage mechanism. 结果表明,挤压油膜阻尼器可以有效地控制含间隙弹性机构中过大的弹性变形,改善机构的稳定性能。
- We used Poincare map and bifurcation map to analyze the nonlinear dynamic response of a eight-degree-of-freedom rotor system with two disks supported on a squeeze film damper(SFD) as shown in Fig.1. 对双盘悬臂柔性转子-非同心型挤压油膜阻尼器(SFD)系统进行了非线性动力学分析。计算结果表明:双盘转子-非同心型SFD系统具有丰富的非协调响应,系统响应中存在大量的亚谐、超谐、非协调(正,反进动)甚至轨道不规则的响应。
- This paper presents theoretical analysis for the effect of air squeeze film damping on a micro-opto- electro -mechanical systems (MOEMS) optical switch with a slant lower electrode. 从基于微机械光电系统(MOEMS)的倾斜下电极扭臂式光开关出发,求解雷诺方程,得到空气压膜阻尼系数和阻尼力矩的分析公式。
- Grinding machine cutter shaft with a squeeze film damper (SFD) for deep hole grinding is designed base on the squeezes film damping theory. 基于挤压油膜阻尼理论,设计了带挤压油膜阻尼器(SFD)的深孔内圆磨削刀杆,并在高精度内圆磨床上进行了与静压支撑刀杆的磨削性能对比实验。
- It's a tight squeeze to get five people in that small car. 五个人坐在那个小车子里真是太挤了。
- That was infinitely better than his last film. 这比他上一部电影不知胜过多少倍。
- Bases of Judging the Failure of Squeeze Film Damper 挤压油膜阻尼器失效的判据
- Controller of Clearance for Squeeze Film Bearing 挤压油膜轴承间隙控制器
- This paper investigated the response of rotor system supported on Squeezed Film Damper (SFD) under acceleration. 本文研究了带挤压油膜阻尼器(SFD)的转子系统在考虑弯扭耦合的情况下的加速响应。
- EFFECT OF THE GROOVE OF SQUEEZE FILM DAMPERSON 供油槽对阻尼轴承油膜动力性能的影响
- Squeeze Film Flow With Nonlinear Boundary Slip 非线性边界滑移挤压膜流动
- If we two squeeze up, there'll be room for him. 我们俩人如果挤紧点,他就有地方了。
- She has a book full of cuttings about her film. 她有一本书贴满了关于她的一些影片的剪报。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries