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国外文献 > 1.轴承 > 4. 设计与分析 > 设计方法


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标 题: A design model for circular porous air bearings using the ID generalized flow method
采用ID广义流动方法的圆形多孔空气轴承设计模型
作 者: Jean-Sebastien Plante
John Vogan
Tarek El-Aguizy
Alexander H. Slocum
关键词: Porous  [多孔的]
Air  [ 空气]
Bearing  [ 轴承]
Design  [ 设计]
出版年: 2005
期刊名: Precision Engineering
精密工程
年卷期: 2005, vol.29, no.3
摘 要: Although the working principles of porous air bearings have been known for many years, most calculation procedures still involve specialized 3D CFD techniques which are not very useful to design engineers who initially require first-order engineering models for feasibility studies. This paper presents a simple design model for a circular porous air bearing based on well-established ID generalized flow theory. Under standing porous air bearing mechanics is relatively easy with the proposed design model because it captures the essential physical phenomena governing the airflow. Moreover, the ID model has a very simple architecture that allows easy design synthesis and requires minimal computational requirements. Comparison with experimental data shows accuracy comparable to specialized 3D techniques.

尽管多孔空气轴承的工作原理已知多年,但大多数计算方法仍采用专门的三维CFD技术,而这些技术对设计工程师而言在初步进行可行性研究时并不十分实用,因为设计人员最初需要的是第一类工程模型。本文基于成熟的ID通用流动理论,提出了一种适用于圆形多孔空气轴承的简单设计模型。由于该模型基于静止多孔空气轴承的力学特性,因此在捕捉气流所受基本物理现象方面较为简便。此外,ID模型结构极为简单,便于快速进行设计合成,并且计算需求极低。与实验数据的对比表明,其精度可与专用三维技术相媲美。
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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