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Open AccessJournal ArticleDOI

Elastohydrostatic simulation of thrust bearing Compensated with orifice restrictor operation with non-Newtonian lubricant

TLDR
In this article, the influence of elastohydrostaic lubrication on orifice compensated bearing has been shown, where the thrust pad has been modeled by using three-dimensional mesh and the lubrication domain has been modelled by using two dimensional mesh.
Abstract
In the present work influence of elastohydrostaic lubrication on orifice compensated bearing has been shown. The thrust pad has been modeled by using three-dimensional mesh and lubrication domain has been modeled by using two dimensional mesh. The analysis of Reynold equation is coupled with the analysis of solution of equilibrium equation of thrust pad domain. The Present results shows that elasticity of thrust pad results a significant decrement in the fluid film Elasticity and it results an increase in fluid film stiffness. In the present case Circular, Elliptical, square and rectangular shape of recess has been taken from the analysis.

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Journal ArticleDOI

A Generalized Steady-State Reynolds Equation for Non-Newtonian Fluids, With Application to Journal Bearings

TL;DR: In this paper, a forme legerement modifiee de l'equation de Reynolds is presented for un fonctionnement portant sur un certain domaine de L/D and des exposants rheologiques.
Journal ArticleDOI

Influences of the geometrical parameters of aerostatic thrust bearing with pocketed orifice -type restrictor on its performance

TL;DR: In this paper, the performance of an aerostatic thrust bearing with pocketed orifice-type restrictor was analyzed and the rational dimension of this kind of bearing was obtained by analyzing the influences of the bearing's geometrical parameters on its load carrying capacity (LCC), stiffness, mass flow rate (MFR) and the maximum gas velocity (MGV).
Journal ArticleDOI

Theoretical considerations of static and dynamic characteristics of air foil thrust bearing with tilt and slip flow

TL;DR: In this paper, the impact of the rarefaction gas coefficients perturbed about the thin air film thickness on the stiffness and damping of the bump foil under the condition of various bump parameters, the load carrying capacity and bearing torque at the tilting state, and the bearing performance for various bearing parameters were analyzed.
Journal ArticleDOI

Active hydrostatic bearing with magnetorheological fluid

TL;DR: In this article, the authors present a completely different concept for bearings with magnetorheological fluids and show that the bearing gap varies with the payload, which is the main disadvantage of hydrodynamic bearings.
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