Balancing wedge action in textured converging bearings

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2 Citations (Scopus)

Abstract

This study investigates a hydrodynamic lubrication mechanism of textured surfaces, termed €balancing wedge action€, found in pivoted pad bearings. The analytical model is a one-dimensional pivoted pad bearing having a single dimple on the pad and considers the equilibrium of the moment applied to the surfaces. The results show that incorporation of a dimple on the pad surface changes the convergence ratio, improving the load capacity without negative pressure. The trends of load and friction in terms of the dimple depth and location are complex depending on the pivot position. The dimple locations at the outlet side, center, and inlet could improve tribological performance.

Original languageEnglish
Pages (from-to)241-256
Number of pages16
JournalProceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology
Volume230
Issue number3
DOIs
Publication statusPublished - Mar 1 2016

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Bearings (structural)
Bearing pads
wedges
pivots
Lubrication
Analytical models
Hydrodynamics
lubrication
outlets
Friction
friction
hydrodynamics
moments
trends

All Science Journal Classification (ASJC) codes

  • Mechanical Engineering
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

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abstract = "This study investigates a hydrodynamic lubrication mechanism of textured surfaces, termed €balancing wedge action€, found in pivoted pad bearings. The analytical model is a one-dimensional pivoted pad bearing having a single dimple on the pad and considers the equilibrium of the moment applied to the surfaces. The results show that incorporation of a dimple on the pad surface changes the convergence ratio, improving the load capacity without negative pressure. The trends of load and friction in terms of the dimple depth and location are complex depending on the pivot position. The dimple locations at the outlet side, center, and inlet could improve tribological performance.",
author = "Kazuyuki Yagi and Joichi Sugimura",
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AB - This study investigates a hydrodynamic lubrication mechanism of textured surfaces, termed €balancing wedge action€, found in pivoted pad bearings. The analytical model is a one-dimensional pivoted pad bearing having a single dimple on the pad and considers the equilibrium of the moment applied to the surfaces. The results show that incorporation of a dimple on the pad surface changes the convergence ratio, improving the load capacity without negative pressure. The trends of load and friction in terms of the dimple depth and location are complex depending on the pivot position. The dimple locations at the outlet side, center, and inlet could improve tribological performance.

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