Bifurcation analysis of a rigid-rotor squeeze film damper system with unsymmetrical stiffness supports
Sign Up to like & getrecommendations! Published in 2017 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-017-1254-9
Abstract: This paper is focused on the relationship between rigid body translation and rigid body precession in a squeeze film damper–rigid-rotor system with unsymmetrical stiffness supports. Two cases are considered: the precession motion non-resonance and internal… read more here.
Keywords: motion; squeeze film; system; film damper ... See more keywords
A TRT-LBM model of squeeze film air damping of micro-beam in the transition regime
Sign Up to like & getrecommendations! Published in 2021 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-021-02024-x
Abstract: This paper uses TRT-LBM coupled with the effective viscosity to predict squeeze film air damping (SQFD) of micro-beam in the transition regime. The result shows that, in the transition regime, recent MC model underestimates the… read more here.
Keywords: squeeze film; transition regime; transition; trt lbm ... See more keywords
Dynamic behavior of perforated parallel-plate actuator under squeeze film damping effect
Sign Up to like & getrecommendations! Published in 2017 at "Microsystem Technologies"
DOI: 10.1007/s00542-015-2687-0
Abstract: Dynamic performance is one of the most critical factors in many MEMS products, such as micro accelerometers, vibratory gyroscopes, micro deformable mirror, etc. Essentially, the dynamic behavior is totally determined by two factors: the internal… read more here.
Keywords: squeeze film; film damping; parallel plate; plate ... See more keywords
Shock response of electrostatically coupled microbeams under the squeeze-film damping effect
Sign Up to like & getrecommendations! Published in 2018 at "Acta Mechanica"
DOI: 10.1007/s00707-018-2301-5
Abstract: This paper presents a theoretical investigation of the dynamic response of electrostatically coupled microcantilever beams under the combined effect of squeeze-film damping and mechanical shock for MEMS applications. We consider two different microsystem designs, namely… read more here.
Keywords: squeeze film; response; film damping; shock ... See more keywords
Effect of environmental conditions and geometric parameters on the squeeze film damping in RF-MEMS switches
Sign Up to like & getrecommendations! Published in 2018 at "Analog Integrated Circuits and Signal Processing"
DOI: 10.1007/s10470-018-1283-5
Abstract: This paper presents a detailed analysis of squeeze film air damping effects on dynamic responses of RF-MEMS switches under varying environmental conditions, etch holes’ configuration and air gap thickness values. The effect operating conditions like… read more here.
Keywords: squeeze film; environmental conditions; geometric parameters; effect ... See more keywords
Nonlinear responses and bifurcations of a rotor-bearing system supported by squeeze-film damper with retainer spring subjected to base excitations
Sign Up to like & getrecommendations! Published in 2020 at "Nonlinear Dynamics"
DOI: 10.1007/s11071-020-06052-0
Abstract: A high-speed rotating rotor system mounted on a moving vehicle is inevitably subjected to parametric excitations and exciting forces induced by base motions. Dynamic characteristics of a rotor-bearing system supported by squeeze-film damper with retainer… read more here.
Keywords: squeeze film; frequency; base; system ... See more keywords
A novel squeeze-film air bearing with flexure pivot-tilting pads: Numerical analysis and measurement
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2017.09.051
Abstract: Abstract This study proposes a novel squeeze-film air bearing based on near-field acoustic levitation technology. Unlike previous squeeze-film bearings, the new bearing employs flexure pivot-tilting pads as vibration surfaces and provides higher vibration amplitude and… read more here.
Keywords: squeeze film; tilting pads; flexure pivot; film ... See more keywords
Dynamical analysis of an elastic ring squeeze film damper-rotor system
Sign Up to like & getrecommendations! Published in 2019 at "Mechanism and Machine Theory"
DOI: 10.1016/j.mechmachtheory.2018.10.011
Abstract: Abstract In this paper, a calculation procedure is proposed to investigate the dynamic characteristics and response of an elastic ring squeeze film damper supported rotor system (ERSFD-rotor). First, the oil film pressure and force of… read more here.
Keywords: rotor; film damper; elastic ring; film ... See more keywords
Effect of hole feed system on the response of a squeeze film damper supported rotor
Sign Up to like & getrecommendations! Published in 2020 at "Tribology International"
DOI: 10.1016/j.triboint.2020.106450
Abstract: Abstract An experimental study on the effect of squeeze film clearance and oil inlet configuration on the displacement response of a Jeffcott rotor supported by squeeze film dampers (SFDs) is presented in this paper. Sealed… read more here.
Keywords: squeeze film; response; effect; rotor ... See more keywords
Squeeze-film flow between a curved impermeable bearing and a flat porous bed
Sign Up to like & getrecommendations! Published in 2017 at "Physics of Fluids"
DOI: 10.1063/1.4974521
Abstract: Axisymmetric squeeze-film flow in the thin gap between a stationary flat thin porous bed and a curved impermeable bearing moving under a prescribed constant load is analysed. The unsteady Reynolds equation is formulated and solved… read more here.
Keywords: squeeze film; layer; porous bed; bearing ... See more keywords
Evolution of a thin film down an incline: A new perspective
Sign Up to like & getrecommendations! Published in 2020 at "Physics of Fluids"
DOI: 10.1063/1.5127815
Abstract: A new model which accounts for energy balance while describing the evolution of a thin viscous, Newtonian film down an incline at high Reynolds numbers and moderate Weber numbers has been derived. With a goal… read more here.
Keywords: squeeze film; evolution; energy; model ... See more keywords