Permeability prediction of porous aerostatic bearings through 3D morphology and fractal calculation method
Jianwei Cui,
Xiaoyu You,
Hongjun Zhang
et al.
Abstract:Porous ceramics for aerostatic bearing restrictors were fabricated using carboxymethyl cellulose and polystyrene microspheres as pore formers. The three‐dimensional morphology of the porous ceramics was nondestructively obtained using laser scanning confocal microscopy, and the processing information was eliminated by fitting the pore area fractal dimensions at different heights. A mathematical model was developed based on the assumption of elliptical tortuous capillaries to relate microstructural pore paramet… Show more
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