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首页> 外文期刊>Mechanics & Industry >Performance of two-lobe hole-entry hybrid journal bearing system under the combined influence of textured surface and couple stress lubricant
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Performance of two-lobe hole-entry hybrid journal bearing system under the combined influence of textured surface and couple stress lubricant

机译：纹理表面和耦合应力润滑剂综合影响下的双叶孔进入混合杂交轴承系统的性能

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摘要

Textured surface in journal bearings is becoming an important area of investigation during the last few years. Surface textures have the shapes of micro-dimple with a small diameter and depth having order of magnitude of bearing clearance. This paper presents the influence of couple stress lubricant on the circular and non-circular hole-entry hybrid journal bearing system and reports the comparative study between the textured and non-textured circular/non-circular hybrid journal bearing system. The governing Reynolds equation has been modified for the couple stress lubricant flow in the clearance of bearing and journal. The FEM technique has been applied to solve the modified Reynolds equation together with restrictor flow equation. The numerically simulated results indicate that the influence of couple stress lubricant is significantly more in textured journal bearing than that of non-textured journal bearing. Further, it has been observed that the textured two-lobe (delta = 1.1) hybrid journal bearing lubricated with couple stress lubricant provides larger values of fluid film stiffness coefficients and stability threshold speed against other bearings studied in the present paper.
机译：轴承中的纹理表面在过去几年中正在成为一个重要的调查领域。表面纹理具有微凹坑的形状，具有小直径和深度，具有轴承间隙的幅度。本文介绍了耦合应力润滑剂对圆形和非圆形空穴入口混合杂交期轴承系统的影响，并报告了纹理和非纹理圆形/非圆形混合杂交期轴承系统的比较研究。在轴承和轴颈间隙中，已经改变了治理雷诺方程。已经应用了有限元技术以解决改进的雷诺方程以及限流器流程方程。数值模拟结果表明，耦合应力润滑剂的影响在纹理的轴颈轴承中的影响比非纹理杂志轴承的影响更大。此外，已经观察到纹理化的双叶（Delta = 1.1）杂合轴颈润滑与耦合应力润滑剂的杂交轴颈轴承提供较大的流体膜刚度系数和稳定阈值速度，而抵抗本文中研究的其他轴承。

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