Results 21 to 30 of about 6,212 (300)
Evaluation of various fluid-film models for use in the analysis of squeeze film dampers with a central groove [PDF]
, 2002 Experimental vibration responses of squeeze film dampers (SFDs) are obtained with four different central groove depths, two types of lubricant and various unbalance levels.
Hill, M. +5 more
core +1 more source
Running performance of an aerodynamic journal bearing with squeeze film effect [PDF]
, 2013 Results of theoretical and experimental studies concerning the performance of an aerodynamic journal bearing which running is assisted by squeeze film ultrasonic levitation (SFUL) are presented in this paper.
Stolarski, TA, Sho, T, Yoshimoto, S
core +1 more source
On Non-Newtonian Rabinowitsch Fluid Squeeze Film Lubrication between Rough Circular Stepped Plates
Tribology Online, 2016 In this paper the effect of surface roughness on squeeze film lubrication between circular stepped plates is analysed. The modified non-linear averaged Reynolds type equation is derived on the basis of Christensen’s stochastic theory for rough surfaces ...
Neminath Bujappa Naduvinamani +2 more
doaj +1 more source
A Brief Discussion Regarding Types of Cavitation in Squeeze Film Dampers and Cavitation Effects [PDF]
INCAS Bulletin, 2017 Squeeze film dampers (SFD) are probably the most used shaft control devices in aircraft jet engines; SFDs consist in oil films, elastic elements and various antirotational devices that tune the stiffness and damping of the shafts’ supports and ...
Laurentiu MORARU
doaj +1 more source
Applied Sciences, 2019 In this paper, vibration control of an unbalanced single-side cantilevered rotor system using a novel integral squeeze film bearing damper in terms of stability, energy distribution, and vibration control is analyzed.
Yipeng Zhang +4 more
doaj +1 more source
Effects of UHMWPE viscoelasticity on the squeeze‐film lubrication of hip replacements
Biosurface and Biotribology, 2021 Many studies have been performed to analyse the lubrication of artificial joints since the pioneer work by the late Professor Duncan Dowson. However, the viscoelastic deformation of one of the most widely used bearing materials, ultra‐high‐molecular ...
Xianjiu Lu, Qingen Meng, Zhongmin Jin
doaj +1 more source
Journal of Low Frequency Noise, Vibration and Active Control, 2018 Extensive modeling and simulation of the damping phenomenon, electrostatic actuation, and structural vibration analysis are performed. The governing partial differential equations of cantilever plate are obtained, and the resonant frequencies are ...
Jianlian Cheng +3 more
doaj +1 more source
Some Aspects Regarding the Modeling of Highly Pressurized Squeeze Film Dampers [PDF]
INCAS Bulletin, 2010 Squeeze film dampers (SFD) have been used for many years to control vibration in gasturbines and other high-speed rotating machinery. The overall objective of this paper is to present theanalysis and validation of a dynamic model of a highly pressurized ...
Laurenţiu MORARU
doaj +1 more source
SN Applied Sciences, 2023 The present research theoretically analyzes the impact of magnetohydrodynamics (MHD) and viscosity variation on couple stress squeeze film properties of a cylinder and a rough planar surface.
R. Suresha +7 more
doaj +1 more source
Mushy Regions in Negative Squeeze Films [PDF]
The Quarterly Journal of Mechanics and Applied Mathematics, 2003 Summary: Some experiments on cavitation between moving parallel plates suggest a novel free boundary model for the evolution of a mushy region in a negative squeeze film. The mushy region nucleates when the plates enclosing the film are pulled apart sufficiently rapidly for the pressure to drop to a critical value at some point of the film.
Ockendon, J, Howison, S, Lacey, A
openaire +1 more source