Lubrication theory for micropolar fluids and its application to a journal bearing with finite length |
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Authors: | Qiu Zu-gan Lu Zhang-ji |
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Institution: | Fudan University, Shanghai |
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Abstract: | In this paper, the field equation of micropolar fluid with general lubrication theory assumptions is simplified into two systems
of coupled ordinary differential equation. The analytical solutions of velocity and microrotation velocity are obtained. Micropolar
fluid lubrication Reynolds equation is deduced. By means of numerical method, the characteristics of a finitely long journal
bearing under various dynamic parameters, geometrical parameters and micropolar parameters are shown in curve form. These
characteristics are pressure distribution, load capacity, coefficient of flow flux and coefficient of friction. Practical
value of micropolar effects is shown, so micropolar fluid theory further closes to engineering application. |
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Keywords: | potential function integral transform dynamic crack dual equation |
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