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首页> 外文期刊>Applied Mechanics and Engineering >Performance Of Magnetic Fluid Based Rotating Rough circular Step Bearings
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Performance Of Magnetic Fluid Based Rotating Rough circular Step Bearings

机译：电磁流体基旋转粗糙阶梯轴承的性能

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摘要

An attempt has been made to analyze the performance of a magnetic fluid based rotating rough circular step bearing. The roughness of the bearing surface is modeled by a stochastic random variable with non zero mean, variance and skewness. The associated Reynolds' equation is solved with appropriate boundary conditions to obtain the pressure distribution, which in turn, is used to get the load carrying capacity leading to the calculation of response time. Results are presented graphically as well as in a tabular form. It is noticed that the bearing suffers on account of transverse surface roughness. This article makes it clear that pressure, load carrying capacity and response time increase with increasing the magnetization parameter. However, the negatively skewed roughness and radii ratio induce better performance. It is noticed that the load carrying capacity decreases when both plates rotate in the same direction. This trend reverses when the plates move in the opposite direction. This article reveals that the negative effect caused by porosity and roughness can be compensated to a considerable extent by the positive effect induced by the magnetization parameter and the aspect ratio in the case of negatively skewed roughness when the plates rotate in opposite direction.
机译：已经尝试分析基于磁性流体的旋转粗糙圆形阶梯轴承的性能。轴承表面的粗糙度由具有非零均值，方差和偏度的随机随机变量建模。相关的雷诺方程式在适当的边界条件下求解以获得压力分布，进而将其用于获得承载能力，从而计算响应时间。结果以图形和表格形式显示。注意到轴承由于横向表面粗糙度而受到损害。本文清楚表明，压力，承载能力和响应时间随磁化参数的增加而增加。但是，负偏度的粗糙度和半径比会带来更好的性能。注意，当两个板沿相同方向旋转时，承载能力降低。当板沿相反方向移动时，这种趋势会逆转。该文章揭示了当板沿相反方向旋转时，在负偏斜粗糙度的情况下，磁化参数和纵横比引起的正效应可以在很大程度上补偿由孔隙率和粗糙度引起的负效应。

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