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首页> 外文期刊>Zeitschrift fur Angewandte Mathematik und Mechanik >Effect of surface roughness on static and dynamic characteristics of MHD couple stress lubrication of inclined plane slider bearing
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Effect of surface roughness on static and dynamic characteristics of MHD couple stress lubrication of inclined plane slider bearing

机译:表面粗糙度对倾斜平面滑块轴承MHD耦合应力润滑的静态和动态特性的影响

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摘要

The effect of surface roughness on static and dynamic characteristics of inclined plane slider bearing lubricated with couple stress fluid in the presence of magnetic field is theoretically analysed. The modified stochastic MHD couple stress Reynolds type equation is derived on the basis of Christensen stochastic theory by considering two types of onedimensional roughness patterns namely longitudinal and transverse. Expressions for steady pressure and load, dynamic stiffness, and damping coefficients are obtained for both the types of roughness patterns. Compared to smooth surface, transverse roughness pattern provides larger load carrying capacity, dynamic stiffness, and damping coefficients whereas longitudinal roughness pattern has adverse effects. Further, the presence of couple stress and applied magnetic field improves the bearing performance.
机译:理论上,分析了磁场存在于存在磁场存在下润滑的倾斜平面滑块轴承倾斜平面滑块轴承静态和动态特性的影响。 通过考虑两种类型的概念粗糙度模式即纵向和横向,改进的随机MHD耦合应力雷诺型方程是基于基督教徒随机理论的基础来源的。 为粗糙度模式的类型获得稳定压力和负载,动态刚度和阻尼系数的表达。 与光滑表面相比,横向粗糙度图案提供较大的负载承载能力,动态刚度和阻尼系数,而纵向粗糙度模式具有不利影响。 此外,存在耦合应力和应用磁场的存在改善了轴承性能。

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