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RISSurface Roughness Effects in High-Speed Hydrodynamic Journal Bearings
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes an applicability of modified Reynolds equation considering the combined effects of turbulence and surface roughness, which was derived by Hashimoto and Wada (1989), to high-speed journal bearing...
Effects of Foil Bending Rigidity on Spacing Height Characteristics of Hydrostatic Porous Foil Bearings for Web Handling Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the effects of foil bending rigidity on the spacing height characteristics of hydrostatic foil bearings with a hollow porous shaft for web handling processes are analyzed by the ...
Discussion: “A Global Approach of Thermal Effects Including Pad Deformations in Tilting-Pad Journal Bearings Submitted to Unbalance Load” (Fillon, M., Desbordes, H., Frêne, J., and Chan Hew Wai, C., 1996, ASME J. Tribol., 118, pp. 169–174)
Publisher: The American Society of Mechanical Engineers (ASME)
The Effects of Fluid Inertia Forces on the Static Characteristics of Sector-Shaped, High-Speed Thrust Bearings in Turbulent Flow Regime
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes a study on the performance characteristics of sector-shaped, high-speed thrust bearings subjected to the effects of both turbulence and fluid inertia forces. The basic ...
Optimization of Wind-Up Tension of Webs Preventing Wrinkles and Slippage
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper describes the optimization method of wind-up tension to prevent wound roll defects, mainly star defects and slippage, based on the optimum design technique. Hakiel’s nonlinear model ...
Breakdown of Swirling Cavity Flow in a Circular Pipe
Publisher: The American Society of Mechanical Engineers (ASME)
Air Film Thickness Estimation in Web Handling Processes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, in order to estimate an air film thickness between moving web and guide roller (web spacing height), an air film thickness formula was derived based on the finite width ...
Viscoelastic Squeeze Film Characteristics With Inertia Effects Between Two Parallel Circular Plates Under Sinusoidal Motion
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, viscoelastic squeeze film characteristics subjected to fluid inertia effects are investigated theoretically in the case of parallel circular type squeeze films. In the development ...
Non-Newtonian Effects on the Static Characteristics of One-Dimensional Slider Bearings in the Inertial Flow Regime
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the non-Newtonian effects of lubricants on the static characteristics of one-dimensional, high-speed slider bearings are examined theoretically by considering the fluid inertia ...
Squeeze Film Characteristics Between Parallel Circular Plates Containing a Single Central Air Bubble in the Inertial Flow Regime
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: In this paper, the effects of an air bubble on the Newtonian squeeze film characteristics between two circular parallel plates with sinusoidal relative motion are theoretically investigated by ...