Journal
TRIBOLOGY INTERNATIONAL
Volume 52, Issue -, Pages 7-16Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2012.02.013
Keywords
Hydrodynamic; Texture; Friction; Lubrication
Categories
Funding
- UK Technology Strategy Board [10036]
- UK Engineering and Physical Sciences Research Council
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The effect of textured surfaces in hydrodynamic bearings is assessed using a mass-conserving numerical analysis that allows for arbitrary geometry and multiple regions of cavitation. The texture investigated consists of regularly spaced rectangular pockets through an (infinitely) long linearly convergent or parallel bearing. This arrangement leads to nine independent non-dimensional parameters including operating conditions. The effectiveness of texture at improving load support and reducing friction over a corresponding plain bearing is described in relation to these parameters and the important interaction between parameters is highlighted. The beneficial or detrimental effect of texture is explained in terms of the fundamental mechanisms of hydrodynamic pressure generation including inlet suction. (C) 2012 Elsevier Ltd. All rights reserved.
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