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标 题: A flow-difference feedback iteration method and its application to high-speed aerostatic journal bearings
流动-差分反馈迭代法及其在高速气动静止轴向轴承中的应用
作 者: Li, Yazhe
Zhou, Kai
Zhang, Zhen
关键词: Reynolds equation  [雷诺方程]
Aerostatic bearing  [ 气动轴承]
Feedback  [ 反馈]
FDM  [ FDM]
出版年: 2015
期刊名: Tribology International
摩擦学国际
年卷期: 2015, vol.84
摘 要: This paper proposes a novel iteration method for finite difference method (FDM) based solution of Reynolds equation, and applies it to the analysis of high-speed aerostatic journal bearings. The idea behind the proposed iteration method is: flow-difference is utilized for feedback in the iteration loop of the pressure ratios of orifices. Furthermore, the situation of flow-difference is described by the relative error of flow equilibria during the iteration. Specifically, two important advantages of the proposed method lie in: insensitive to initial conditions; its times of iteration are significantly improved. The bearing capability and stiffness are investigated by varying design parameters. (C) 2014 Elsevier Ltd. All rights reserved.

本文提出一种基于有限差分法(FDM)求解雷诺方程的新型迭代方法,并将其应用于高速气动静止轴向轴承的分析。所提迭代方法的核心思想是:利用流体差异作为反馈,用于孔口压力比的迭代循环中。此外,通过迭代过程中流体平衡状态的相对误差来描述流体差异的情况。具体而言,该方法具有两个重要优势:对初始条件不敏感; 其迭代时间得到了显著改善。通过改变设计参数来研究承载能力和刚度。(C)2014 Elsevier Ltd. 保留所有权利。
中文内容为网络AI翻译,专业术语未必准确,仅供参考。

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