Results 61 to 70 of about 107 (84)
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Key Engineering Materials, 2015
The effects of the rotating speed of the spindle, the number of the porous medium inserted into the partially porous aerostatic journal bearing and the thickness of the bearing gap on the characteristics of the bearing such as the pressure distribution, the load carrying capacity and the stiffness of the bearing were studied. Based on the finite volume
Te Yen Huang +4 more
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The effects of the rotating speed of the spindle, the number of the porous medium inserted into the partially porous aerostatic journal bearing and the thickness of the bearing gap on the characteristics of the bearing such as the pressure distribution, the load carrying capacity and the stiffness of the bearing were studied. Based on the finite volume
Te Yen Huang +4 more
exaly +2 more sources
Tribology Letters, 2013 Ultra-precision air bearings could enable novel and more accurate precision applications. In this paper we report on the design of an ultra-precision air-bearing system, intended to reduce the radial error motion, i.e.
Stefano F Cappa +2 more
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Design of aerostatic journal bearings with partially porous walls
International Journal of Machine Tool Design and Research, 1978Abstract Steady-state characteristics of aerostatic journal bearings fed through rows of porous inserts are investigated. The use of a simplified mathematical model allows to derive relationships for the load-capacity, the stiffness, the gas flow rate and the power consumption of the bearing, as functions of the supply pressure, the relative ...
M. Szwarcman, R. Gorez
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Deformation and flying height orbit of glass sheets on aerostatic porous bearing guides
Tribology International, 2012 Hiroshi Yabe
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21010 Experiment and Numerical Simulation for Porous Aerostatic Bearing Characteristics
The Proceedings of Conference of Kanto Branch, 2015 Donghyuk Kang
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Dynamic Stiffness and Damping Coefficients of Aerostatic, Porous, Journal Bearings
Journal of Mechanical Engineering Science, 1978A periodic (displacement) disturbance is imposed on an aerostatic, porous, journal bearing of finite length under steady-state conditions. The dynamic pressure distribution is obtained by a pressure perturbation analysis of Reynolds equation and a modified flow continuity equation in a porous medium.
N. S. Rao, B. C. Majumdar
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The Proceedings of the Manufacturing & Machine Tool Conference, 2000 Masahiko Fukuta
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Key Engineering Materials, 2014
This report presents a study on the performance of the fully porous and the partially porous aerostatic journal bearings. Based on the finite volume method and the pressure-velocity coupling scheme of the SIMPLE algorithm with the standard k-ε turbulent model, this study utilized the CFD software to solve the incompressible three dimensional Navier ...
Te Yen Huang +3 more
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This report presents a study on the performance of the fully porous and the partially porous aerostatic journal bearings. Based on the finite volume method and the pressure-velocity coupling scheme of the SIMPLE algorithm with the standard k-ε turbulent model, this study utilized the CFD software to solve the incompressible three dimensional Navier ...
Te Yen Huang +3 more
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Effect of Slip Flow on the Steady-State Performance of Aerostatic Porous Journal Bearings
Journal of Tribology, 1984A theoretical solution is presented to predict the steady-state performance characteristics of aerostatic porous journal bearings of finite thickness considering three dimensional flow in the porous media. The analysis takes into account the velocity slip at the film bearing interface by using Beavers-Joseph criterion.
K. C. Singh, N. S. Rao, B. C. Majumdar
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