Hydrodynamic Lubrication of Partially Textured Gas Parallel Slider Bearings with Orientation Ellipse Dimples | Zendy

Fuxi Liu | Zendy; Zhanlong Li | Zendy; Chunjie Yang | Zendy; Hongbao Wu | Zendy; Huazhu Yin | Zendy; Shan Jiang | Zendy

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Hydrodynamic Lubrication of Partially Textured Gas Parallel Slider Bearings with Orientation Ellipse Dimples

Author(s) -

Fuxi Liu,

Zhanlong Li,

Chunjie Yang,

Hongbao Wu,

Huazhu Yin,

Shan Jiang

Publication year - 2021

Publication title -

mathematical problems in engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.262

H-Index - 62

eISSN - 1026-7077

pISSN - 1024-123X

DOI - 10.1155/2021/4441892

Subject(s) - dimple , slider , ellipse , materials science , lubrication , mechanics , orientation (vector space) , fluid bearing , finite element method , bearing (navigation) , geometry , composite material , structural engineering , mechanical engineering , mathematics , engineering , physics , astronomy

The hydrodynamic lubrication performance of partially textured gas parallel slider bearings with orientation ellipse dimples is investigated in this paper. By using the multigrid finite element method, the pressure distribution between a partially textured slider and a smooth slider is obtained. The geometric parameters of the ellipse dimples are optimized to maximize the average pressure under a given sliding speed. The numerical results show that geometric parameters such as orientation angle, depth, slender ratio, and area density have an important impact on hydrodynamic pressure. Besides, the effect of textured fraction on hydrodynamic pressure is investigated under a given sliding speed. It is observed that the optimum textured fraction for maximizing the average pressure is dependent on the sliding speed.

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