1) Squeeze-film air damping
压膜空气阻尼
1.
Squeeze-film air dampings of thick perforated microstructures with hole arrays in different forms have been studied analytically and numerically by changing the shapes of holes and the areas of hole cells.
本文对微结构上孔的形状和排列方式对压膜空气阻尼的影响进行了理论和模拟分析。
2.
A differential equation for calculating squeeze-film air damping in slotted plates is developed by modifying the Reynolds equation.
推导出了一个适用于槽板结构压膜空气阻尼的微分方程。
3) gas film damping
气膜阻尼
1.
Based on the rarefied gas dynamics theory and the squeeze film Reynolds equation amended with slip flow boundary condition, the gas film damping effect on the sensitive proof mass, moving along its axial direction, is analyzed for capacitive micro accelerometers.
针对电容式微加速度计中的气膜阻尼问题,基于稀薄气体动力学理论和滑流修正的压膜雷诺方程,分析了敏感质量块在轴向运动中受到的气膜阻尼效应,得到了阻尼力和阻尼系数的简化解析解。
4) squeeze film damping
压膜阻尼
1.
A linearized Reynolds equation was used to describe the squeeze film damping with a Couette model to describe the slide film damping with the gas flow,temperature variations and compressibility.
根据流体力学和分子动力学的基本理论,在考虑空气流动状态、温度和气膜可压缩性的基础上,构建了描述微陀螺压膜阻尼特性的Reynolds方程,以及描述滑膜阻尼特性的Couette流模型。
2.
According to the demands of engineering,the squeeze film damping theory has been described.
根据SAW加速度传感器工程化的需要 ,对SAW加速度传感器中所采用的压膜阻尼进行了理论分析 ,并采用机电等效模拟技术对微间隙压膜阻尼进行了仿真 ,取得了较好的效果。
3.
A dynamic model for the time-variable-electric-capacity-type electrostatically actuated micro- electro-mechanical systems(MEMS) under parametric excitations is presented with the effect of squeeze film damping.
充分考虑压膜阻尼效应的影响,提出参数激励下时变电容式静电驱动微机电系统的动力学模型,采用谐波平衡法分析在参数激励和强迫激励耦合作用下系统的幅频响应特性,探讨不同控制电压和频率比对系统幅频响应的影响,分别以交流电压幅值、频率比和压膜阻尼比为控制参数研究系统的非线性动力特性,结果表明,微尺度下静电驱动微机电系统在参数激励作用下存在较为丰富的分岔与混沌行为,压膜阻尼效应对系统动力特性的影响不可忽视。
5) squeeze-film damping
压膜阻尼
1.
Research on squeeze-film damping applied in SAW accelerometer;
声表面波加速度计中压膜阻尼技术的研究
2.
Analysis of squeeze-film damping influences on vibration characteristics of micro-beam resonators with perforations
压膜阻尼对有孔微梁谐振器振动特性影响分析
6) air damping
空气阻尼
1.
The distance between the mass and the glass cover is 5 μm which is controlled by the silicon-glass bonding technique,and it not only provides optimal air damping for the system but also has overloading protection effect.
该结构采用硅玻键合技术控制质量块下底面到玻璃底盖的间距为5μm,为系统提供空气阻尼使其处于最佳阻尼状态,同时玻璃底盖起到了过载保护作用,仿真分析表明该结构可承受200000 gn的加速度载荷。
2.
To research the effect of air damping on resonators, based on the Euler-Bernoulli assumption, beam vibration mechanism and air damping theory, a vibration equation was established and its solution was obtained according to corresponding boundary conditions.
为了研究空气阻尼对谐振器工作性能的影响,基于Euler-Bernoulli假设、梁弯曲振动理论和气体阻尼理论,建立了考虑气体阻尼的梁振动方程,结合边界条件对方程进行了求解,得到了两种不同情况下气体阻尼对微梁谐振器的谐振频率和品质因子的影响。
3.
in the scaling of seismic geophone,the air damping will be too large to measure D 10 accurately,thus causing S1,a12,RD,and C all inaccurate.
在拾震器的标定过程中 ,当 Ri≤ 1 0 MΩ 时 ,空气阻尼太大 ,所测定的 D10 结果不准确 ,从而导致 S1、a12 、RD 以及 C、β12 均不准确 ,所得 V也不准确 ,同时记录地震的波形也会受到影响 ,为此建议在标定和工作时 ,要串上分压电阻 R,以此为导向使得放大器输入电阻 Ri≥1 0 MΩ时 ,所得结果才能符合规范要求 ,本研究通过多次测试均达到良好的效果。
补充资料:阻尼型电容分压器(见分压器)
阻尼型电容分压器(见分压器)
damped capacitor voltage dividers
阻尼型电粤万压藉一”divider尽)见分压器(dam卯d eapaei、orvoltage
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条