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   弹性支承 在 航空航天科学与工程 分类中 的翻译结果: 查询用时:0.982秒
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弹性支承     
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  elastic support
However, it may overlook the development of additional stress in the transverse direction of the slab due to the relative vertical displacement of the elastic support.
      
A lateral or a axial percussion at one end of a beam set up on elastic support produces bending or longitudinal vibrations.
      
The effects of the elastic support, the shear modulus and the height to length ratio are discussed.
      
Boundary conditions are formulated for fixed and elastic support.
      
Vibrations of a rotating thin disk, such as a floppy disk with a clamped inner circle, a free outer periphery and an elastic support at one point are analyzed with due consideration of the centrifugal force.
      
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  elastic bearing
The bending moment and displacement of a pile are determined considering the pile as an elastic bearing beam.
      
  flexible support
The application range of TLC plates with flexible support is expanded because plates of this type with a concentrating layer have not been used before.
      
Stability boundaries for fluid-conveying pipes with flexible support under axial load
      
We show how the constellation approach renders a flexible support of hierarchically organized, cooperative design processes possible, by employing specific transactions whose scope is limited to well-defined portions of a database.
      
Findings suggest consistency with as well as deviation from the supported housing approach in regard to consumer choice, typical and normalized housing, resource accessibility, consumer control and provision of individualized and flexible support.
      
Investigation of the functional characteristics of flexible support heart valve prostheses
      
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An analysis of the steady-state unbalance response of a dual-rotor gas turbine engine with a nonlinear flexible intershaft squeeze-film damper is implemented using a simplified transfer matirx method with rotating coordinates.

简化传递矩阵法用于分析带刚性支承、套齿联轴器、轴间轴承多转子系统的稳态特性非常简便;动坐标系用于分析带定心弹性支承阻尼器的轴对称转子系统则独具优点。本文将两法结合用于分析这类问题比用其它方法简便、省时得多。

The bistable behaviors of the rigid rotor with centralizing spring and squeeze film damper are studied by means of calculations and experiments. The bistable behaviors are characterized by the variations of eccentricity, transmissibility and Lagging phase angle. The results calculated and experimental data are in a good agreement. The bistable operation of the rotor canbe eliminated at operating speeds if only the bearing parameters including the length and clearance of the film damper,and the stiffness of the...

The bistable behaviors of the rigid rotor with centralizing spring and squeeze film damper are studied by means of calculations and experiments. The bistable behaviors are characterized by the variations of eccentricity, transmissibility and Lagging phase angle. The results calculated and experimental data are in a good agreement. The bistable operation of the rotor canbe eliminated at operating speeds if only the bearing parameters including the length and clearance of the film damper,and the stiffness of the centralizing spring are chosen properly over a certain unbalance range of the rotor.

本文通过理论计算和实验,研究了带定心弹性支承的挤压油膜阻尼器刚性转子的双稳态特性。采用阻尼器轴颈偏心率、传递率和落后相位角的变化表示这种特性。

Rotor dynamics of a high speed compound compressor in a small aeroengine was investigated analytically and experimentally.According to numerical analysis of its critical speed characteristics,both front and rear supports were transformed into spring supports with oil film dampers.As a results,the vibration troubles were eliminated and the compressor ran steadily.

介绍了解决我国某小型航空发动机组合压气机试验件转子动力学问题的理论与试验研究。在对轴系临界转速特性计算分析后,将转子原前、后两支承均改造成弹性支承加挤压油膜阻尼器(简称双阻尼弹性支承),并将阻尼器设计成非惯例的结构形式,终于排除了原试验件的振动故障,运行稳定。

 
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