Journal ArticleDOI
Large amplitude dynamic behavior of thrust air bearings:modeling and experiments
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TLDR
In this article, the authors used the nonlinear Reynolds equation to predict if bearing surfaces will make contact due to large impulsive external forces, and they demonstrated that the model based on the Reynolds equation accurately predicts the experimental large amplitude dynamic behavior of an axial-symmetric air thrust bearing.About:
This article is published in Tribology International.The article was published on 2017-05-01. It has received 9 citations till now. The article focuses on the topics: Thrust bearing & Bearing (mechanical).read more
Citations
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Stability and dynamics of an orifice based aerostatic bearing with a compliant back plate
TL;DR: In this article, a dynamic model encapsulating the fluid-structure interaction is presented to investigate the damping characteristics of bearings with structural compliance, and a sensitivity analysis established a design guideline ensuring high stiffness and positive damping.
Journal ArticleDOI
Multi-Field Coupling Dynamics Modeling of Aerostatic Spindle.
Guoda Chen,Yijie Chen +1 more
TL;DR: In this article, a multi-field coupling 5-DOF dynamics model for the aerostatic spindle is proposed, which considers the interaction between the air film, spindle shaft and the motor.
Journal ArticleDOI
Prediction of the reaction forces of spiral-groove gas journal bearings by artificial neural network regression models
Elia Iseli,Jürg Schiffmann +1 more
TL;DR: In this paper, a feed-forward neural network (FNN) was developed for modeling the nonlinear static and linearized dynamic reaction forces of spiral grooved gas journal bearings.
Design of a static test rig for advanced seals and air bearing testing
TL;DR: In this paper, the authors present a test facility for investigating advanced seals under 2D static conditions, which facilitates detailed experimental studies of the static pressure distribution on the seal air bearing faces, measurements on leakage flow through the seal and measurements on the air bearing force balance.
Journal ArticleDOI
The flow-difference feedback iteration method for aerostatic thrust bearings and its convergence characteristics:
Yazhe Li,Kai Zhou,Zhen Zhang +2 more
TL;DR: In this paper, the flow difference feedback iteration method for aerostatic thrust bearings is proposed to the flow balance-based iteration, and two modification methods are further provided to improve the adapta...
References
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Journal ArticleDOI
On the modelling of the dynamic characteristics of aerostatic bearing films: From stability analysis to active compensation
TL;DR: In this paper, an overview of the methods used to model the dynamic characteristics of aerostatic films, deducing that the method of harmonic perturbation is often sufficient in providing a good estimate of the dynamic stiffness.
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Numerical analysis of discharge coefficients in aerostatic bearings with orifice-type restrictors
TL;DR: In this article, the authors compared two orifice flow models in inherent orifice restrictors and investigated the influences of geometry and flow parameters on the discharge coefficient of the restrictors.
Journal ArticleDOI
Performance of inherently compensated flat pad aerostatic bearings subject to dynamic perturbation forces
TL;DR: In this paper, the static and dynamic characteristics of an inherently compensated orifice based flat pad air bearing system are analyzed based on Reynolds equation and mass conservation equation for incompressible flow, while the dynamic state characteristics are performed in a similar manner but using the above equations for compressible flow.
Journal ArticleDOI
Numerical and experimental analysis of aerostatic thrust bearings with porous restrictors
TL;DR: In this article, the finite element method is used to predict the performance of aerostatic thrust bearing with a complete porous surface, and results obtained by a 1D and 3D source flow model derived from D'Arcy's law are compared for rectangular porous bearings having an infinite width.
Journal ArticleDOI
Theoretical analysis and experimental verification on the static properties of externally pressurized air-bearing pads with load compensation
P.L. Holster,J.A.H. Jacobs +1 more
TL;DR: In this paper, calculations and experiments carried out on these bearings are discussed for two types of circular bearing pads with compliant surfaces, and the experimental set-up is explained in diagrams.
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