Load capacity and flow characteristics of a hydrostatically lubricated four-pocket journal bearing by finite element method

Ghai, R.C.; Singh, Devendra; Sinhasan, R.

doi:10.1016/0020-7357(76)90034-2

Cited by 10 publications

(2 citation statements)

References 7 publications

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“…Hydrostatic journal bearings are increasingly applied to machine tool for their many advantages (Ghosh, 1973; Cusano and Conry, 1974; Ghai et al , 1976; Rowe, 1980; Sharma et al , 1992). Compared with other types of bearings, hydrostatic bearing has features of low friction, long-life span for usage and high accuracy, etc.…”

Section: Introductionmentioning

confidence: 99%

A fast computing approach concerning recess pressure

Peng

Yang

2018

ILT

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Purpose This paper aims to provide a new method for fast calculation of the recess pressure for hydrostatic bearing compensated by orifice restrictor. Design/methodology/approach Three methods (new method, old method and finite difference method) are used to calculate recess pressure for hydrostatic bearing at different eccentricity ratios and radial clearances, and the results with the three methods are compared. Findings From the results, the conclusion is that the new method has a simple calculation process and a quick calculation speed. Originality/value The new method can be used to calculate the recess pressure of hydrostatic bearing with high precision and simple computing process.

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Section: Introductionmentioning

confidence: 99%

A fast computing approach concerning recess pressure

Peng

Yang

2018

ILT

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“…A very powerful alternative is the finite element method. We can mention very early studies using this powerful tool like those made by Reddi [7] and Ghai [8].…”

Section: Introductionmentioning

confidence: 99%

Pressure distribution in orifice-compensated turbulent hydrostatic bearing with fluid inertia effects using numerical simulations via Navier-Stokes

Aboshighiba

Bouzidane

Thomas

et al. 2017

Tribology - Materials, Surfaces & Interfaces

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Significant progress in turbo-machinery's speed is made recently. To cope with that; many fluids having large differences in rheological properties are introduced as lubricant in hydrostatic bearing systems. The present study aims to improve the understanding of the pressure patterns within hydrostatic bearing flat pads according to different parameters. The main ones are the squeeze film velocity, the feeding pressure and the fluid viscosity. To consider efficiently, the influence of the turbulent and inertia effects numerical simulation are based on transient Navier-Stokes equations. The results of the present study confirm many patterns already mentioned by other authors, and also showed different flow behaviour in terms of vortex evolution according to the studied parameters combinations. This is part of a special issue featuring papers based on presentations given at the TurkeyTrib'15 Conference, which have been revised and extended before inclusion in Tribology -Materials, Surfaces & Interfaces.

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Tribology in Machine Components

Sharma

2013

Tribology for Scientists and Engineers

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Load capacity and flow characteristics of a hydrostatically lubricated four-pocket journal bearing by finite element method

Cited by 10 publications

References 7 publications

A fast computing approach concerning recess pressure

A fast computing approach concerning recess pressure

Pressure distribution in orifice-compensated turbulent hydrostatic bearing with fluid inertia effects using numerical simulations via Navier-Stokes

Tribology in Machine Components

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