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Performance Analysis of High-Speed Deep/Shallow Recessed Hybrid Bearing

机译：高速深/浅嵌入式混合轴承性能分析

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摘要

The present paper proposes a theoretical analysis of the performance of deep/shallow recessed hybrid bearing. It is intended that, on the basis of the numerical results drawn from this study, appropriate shallow recess depth and width can be determined for use in the bearing design process. By adopting bulk flow theory, the turbulent Reynolds equation and energy equation are modified and solved numerically including concentrated inertia effects at the recess edge with different depth and width of shallow recess. The results indicate that the load capacity, drag torque increases as the depth of shallow recess is shallower and the width ratio (half angle of deep recess versus half angle of shallow recess) is smaller. In contrast, the flow rate decreases as the depth of shallow recess is shallower and the width ratio is smaller. Nevertheless, the appropriate design of the depth and width of shallow recess might well induce the performance of high-speed deep/shallow recessed hybrid bearing.
机译：本文提出了深/浅凹混合轴承性能的理论分析。打算根据这项研究得出的数值结果，确定适当的浅凹槽深度和宽度，以用于轴承设计过程。通过采用整体流动理论，对湍流的雷诺方程和能量方程进行了修正和数值求解，包括了浅凹槽深度和宽度不同的凹槽边缘处的集中惯性效应。结果表明，随着浅槽深度的减小，承载能力，阻力增大，宽度比（深槽的半角与浅槽的半角）减小。相反，随着浅凹部的深度越浅并且宽度比越小，流量减小。然而，浅凹槽的深度和宽度的适当设计很可能会引起高速深/浅凹槽混合轴承的性能。

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  • 来源
    《Mathematical Problems in Engineering》 |2013年第14期|918767.1-918767.9|共9页
  • 作者

    Lei Wang; Shuyun Jiang;

  • 作者单位

    School of Mechanical Engineering, Southeast University, Nanjing, 211189, China;

    School of Mechanical Engineering, Southeast University, Nanjing, 211189, China;

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  • 正文语种 eng
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