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Effect of the axial movement of misaligned journal on the performance of hydrodynamic lubrication journal bearing with rough surface

机译：未对准期刊轴向运动的影响粗糙表面流体动力润滑轴颈轴承的效果

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摘要

Generally, the movement of journal along the direction of bearing axis under the combined action of various factors is neglected in the lubrication study of bearing, which is quite different from the actual working condition of bearing in the shaft-bearing system. In this paper, with a comprehensive consideration of the axial movement of journal, the surface topography of journal and bearing and the misalignment of journal, a new model about the hydrodynamic lubrication of misaligned journal bearing is established based on the average Reynolds equation. Considering the effect of the axial movement of misaligned journal, the lubrication characteristics parameters of rough journal bearing is presented and mainly discussed. The results show that the axial movement of misaligned journal has a distinct effect on the bearing lubrication characteristics. The influence of the axial movement of misaligned journal on the bearing lubrication characteristics is slightly reduced when considering the surface roughness.
机译：通常，在轴承的润滑研究中忽略了轴承轴方向的轴承轴方向的运动，这与轴承系统中轴承的实际工作条件完全不同。本文在综合考虑期刊的轴向运动，轴颈的表面形貌和轴颈的未对准，基于平均雷诺等式建立了未对准期刊轴承的流体动力润滑的新模型。考虑到未对准期刊的轴向运动的影响，提出了粗糙轴颈轴承的润滑特性参数，并主要讨论。结果表明，未对准期刊的轴向运动对轴承润滑特性具有明显的影响。在考虑表面粗糙度时，略微降低了未对准期刊在轴承润滑特性的影响。

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