Flow in a Diminishing Narrow Gap - One Cell Model

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CFD-ACE+ CFD

Summary

Flow within narrow gaps is common in the field of lubrication. Hydrostatic bearings support large loads by producing a thin film of fluid between two surfaces/parts in relative motion. Diminishing gap between two surfaces filled with a lubricating fluid generates high pressure distributed over a large and thus supports heavy loads. Horizontal flat plates separated by a small gap are considered. The upper plate moves normally reducing the gap between the plates. This system can be analyzed and a solution can be obtained for the spatial distribution and temporal evolution of pressure. The one cell model available in CFD-ACE+ is used.
 

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