This paper studies the nonlinear effects of squeeze film stiffening on the performance of a high resolution MEMS nonresonant inertial sensor. It is shown that these effects introduce a surprising dynamic response that extends the operational frequency range of the devices by retarding the resonate response. In addition, this performance advantage will occur without the traditional gain trade-of...

To analyze the problem of vibration and bifurcation in rotor system aeroengine with elastic ring squeeze film damper (ERSFD) supports, theoretical equation dynamic is developed this paper, based on system, (ERSFD), three supports. The estimated analytical solution oil force solved using short bearing approximation theory semi-oil inference suspension inner outer boss contact. Considering stiffn...

Abstract The force response of squeeze film dampers and hydrodynamic bearings is significantly influenced by the occurence cavitation inside lubricant films. viscosity occuring mixture oil air bubbles vastly different than that pure therefore changes pressure build‐up thereby stiffness damping properties lubrication To accurately predict a damper, its effect on has to be taken into account. Wel...

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