damping film 中文意思是什麼

damping film 解釋
阻尼膜
  • damping : n. 【物理學】阻尼,減幅,衰減。 damping resistance 阻尼電阻。
  • film : n 1 薄層,薄膜;薄霧,輕煙;細絲狀的東西。2 【攝影】感光乳劑,照相軟片,電影膠片;影片。3 〈 pl ...
  1. In the dissertation, the effects of the air slide - film damping on the capacitive accelerometers having different slot structures which are completely or partly etched, and fabricated by the anodic bonding between silicon and glass and bulk silicon micromachining process are researched by changing the distance between the moving structure and substrate, the thickness of the structure, the width of the completely etched slot structure, the depth of the partly etched slot structure according to the two well known air slide - film damping models

    對于橫向運動的體微機械器件,其周圍空氣表現為滑膜阻尼。本文基於滑膜阻尼的兩個模型,通過改變振子與襯底的間距、振子的厚度、刻透的柵槽的寬度、沒有刻透的柵槽的深度等參數,研究了這些參數對硅?玻璃鍵合工藝製作的體硅微機械電容式傳感器阻尼特性的影響。
  2. Then a 16dof rotors system with 2. span, 4. disk and 4. support is modeled in the form of plural ode, considering the unbalance of mass, external damping, nonlinear oil film forces as well as elevation of the bearings

    ( 4 )針對求復數ode周期解及穩定性分析,討論了復數打靶法和floquet理論的應用問題,證明了復數ode與實數ode對應jacobian和單值矩陣的關系。
  3. After deducing simplified general formula, a method for calculating structure and performance parameter of water hydrostatic bearing is presented, in which the throttle function of short damping hole is employed to decrease water film thickness and to improve the bearing performance

    由於滑靴的靜壓支承性能較差,因此在推導出簡化通用公式后,提出了計算水靜壓支承結構和性能參數的方法,利用短阻尼孔的節流作用來減小水膜設計厚度,提高支承性能。
  4. Modified reynolds equation for squeeze - film air damping of slotted plates in mems devices

    微機械槽板結構空氣壓膜阻尼的修正雷諾方程
  5. The dynamics behaviors of the flexible jeffcott rotor system supported by unsteady short dynamic bearing are investigated. based on nonlinear unsteady - state dynamic n - oil film force model described by three functions the local stability of the periodic solutions with the controlling parameters, rotational speed ratio, imbalance amount, damping ratio and viscidity, are predicted by using the floquet multiplier. it is found that the period doubling bifurcation is caused by a certain imbalance amount and the hopf bifurcation is created by the lost stability of the oil - film

    研究了非穩態動載短軸承支撐的jeffcott柔性轉子系統的動力特性,基於可用三個函數表示動態油膜的非穩態非線性油膜力模型,將轉速比、不平衡量、阻尼比、粘度作為控制參數,利用floquet乘子預測周期解的局部穩定性,發現倍周期分叉是由一定量的不平衡引起的,而hopf分叉是由油膜失穩造成的。
  6. 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

    考慮靜電驅動力、張力和空氣阻尼衰減對變形鏡回復過程的影響,建立一種復合參數模型來預測變形鏡的瞬態行為。
  7. In fundamental theory, adaptive optics, electrostatic actuation, flexure beam theory and squeeze film damping are researched ; in fabrication, bulk micro fabrication process and surface micro fabrication process are researched and compared, then the structure parameters and layout of a 8 x 8 micromirror array are designed using summit foundry ; in analysis, analytical and numerical method are used to perform static analysis, modal analysis, transient analysis, frequency analysis and to characterize the farfield performance of this 8x8 micromirror array. finally, in order to realize large scale micromirror array with lower snap down voltage, advices are given for further research

    在基本理論方面,通過對自適應光學,靜電力驅動,彈性梁理論和擠壓薄膜阻尼的研究,確定了微變形鏡的配置方案;在加工方面對體加工工藝, mumps工藝和summit工藝進行了研究與比較,並選用殘余應力小,表面質量好的summit工藝對8 8的微變形鏡陣列原型進行了結構設計與版圖設計;在分析方面主要對微變形鏡單元的靜態特性,模態特性,瞬態響應,頻率響應和8 8規模的微變形鏡陣列的遠場光學模型進行了研究,確定了微變形鏡的性能參數。
  8. ( 2 ) the foil bearing is treated as a continuous flexible surface which is supported on an elastic foundation. the stiffness and damping of the film are assumed to be liner and constant everywhere. the fluid is modeled by using the reynolds equation for a compressible gas

    ( 2 )建立了具有線性結構剛度和阻尼的彈性箔片軸承模型,並對這一彈性流體動力潤滑( ehdl )問題建立了由非定常可壓縮雷諾方程和彈性箔片平衡方程及其邊界條件組成的控制方程。
  9. In the dissertation, the effects of bias voltage polarity on the measurement and the normal operation are deeply researched when the voltage polarity is positive - positive, negative - positive and negative - negative respectively. the results are compared with the ones studied by others when the voltage polarity is positive - negative. the air damping of the laterally driven microstructures is slide - film air damping

    本文通過改變偏置電壓極性分別為正?正、負?正、負?負,並和偏置電壓極性為正?負配置時進行對比,深入研究了電容式傳感器在不同偏置電壓極性下,驅動信號產生的靜電力對傳感器檢測和工作性能的影響。
  10. It is showed by the results that, the rotor has different dynamics with respect to present results obtained by other researchers while the rotor is subjected to internal damping, nonlinear oil film forces and nonlinear elastic forces simultaneously. with increase of the rotary speed the rotor, quasi. periodic movement caused by internal damping will occur

    發現當轉子通過油膜失穩進入倍周期運動時,由於非線性內阻力作用,還會發生概周期分岔形式的二次分岔,產生約1 / 6倍工頻的低頻運動。
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