Study on the aerodynamic effect and misalignment influence of journal gas bearing for high speed electro-spindle

Ming-Fei Chen; Wei Lun Huang; Chung Heng Yang

Study on the aerodynamic effect and misalignment influence of journal gas bearing for high speed electro-spindle

Ming-Fei Chen, Wei Lun Huang, Chung Heng Yang

Department of Mechatronic Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

This paper analyzes the characteristics of the journal bearing, which include the angular misalignment of the shaft and the aerodynamic effect induced under high speed influencing the performance influence of the journal air bearing. The theoretical analysis uses the finite difference method to solve the Reynolds equation and considers the satisfaction of flow equilibrium through the restrictor, thus determining an unknown downstream pressure in the recess. Finally, the behaviors of a hybrid journal bearing which considers the aerostatic and aerodynamic effect as well as the influence of the tilt of the shaft are presented.

Original language	English
Pages (from-to)	341-348
Number of pages	8
Journal	Journal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao
Volume	32
Issue number	4
Publication status	Published - 2011 Aug 1

All Science Journal Classification (ASJC) codes

Mechanical Engineering

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title = "Study on the aerodynamic effect and misalignment influence of journal gas bearing for high speed electro-spindle",

abstract = "This paper analyzes the characteristics of the journal bearing, which include the angular misalignment of the shaft and the aerodynamic effect induced under high speed influencing the performance influence of the journal air bearing. The theoretical analysis uses the finite difference method to solve the Reynolds equation and considers the satisfaction of flow equilibrium through the restrictor, thus determining an unknown downstream pressure in the recess. Finally, the behaviors of a hybrid journal bearing which considers the aerostatic and aerodynamic effect as well as the influence of the tilt of the shaft are presented.",

author = "Ming-Fei Chen and Huang, {Wei Lun} and Yang, {Chung Heng}",

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issn = "0257-9731",

publisher = "Chinese Mechanical Engineering Society",

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Study on the aerodynamic effect and misalignment influence of journal gas bearing for high speed electro-spindle. / Chen, Ming-Fei; Huang, Wei Lun; Yang, Chung Heng.

In: Journal of the Chinese Society of Mechanical Engineers, Transactions of the Chinese Institute of Engineers, Series C/Chung-Kuo Chi Hsueh Kung Ch'eng Hsuebo Pao, Vol. 32, No. 4, 01.08.2011, p. 341-348.

Research output: Contribution to journal › Article › peer-review

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AU - Huang, Wei Lun

AU - Yang, Chung Heng

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