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Influence of air vortices on the instabilities of aerostatic slider

Influence of air vortices on the instabilities of aerostatic slider In order to identify the inherent small vibration of the aerostatic slider caused by gas film, dynamic behaviour for the aerostatic slider has been analysed both mathematically and experimentally. The gas flow state has been analysed with velocity slip method. Dynamic equation of the aerostatic slider has been established according to the calculated performance parameters. The frequency characteristics for the pneumatic self-induced oscillation of aerostatic sliders have been measured signal by piezoelectric acceleration sensor. The basic frequencies of slider system have been identified according to Fourier transformation, which is consistent with the values deduced with the theory equation. Keywords: air vortices; instabilities; aerostatic slider; velocity slip; micro-scale. Reference to this paper should be made as follows: Chen, D., Dong, L. and Fan, J. (2016) `Influence of air vortices on the instabilities of aerostatic slider', Int. J. Internet Manufacturing and Services, Vol. 4, No. 2, pp.102­117. Biographical notes: Dongju Chen is a Professor at Beijing Key Laboratory of Advanced Manufacturing Technology at Beijing University of Technology. She received her PhD in Mechanic Engineering from Harbin Institute of Technology in 2010. During 2008, she was sent to study abroad in France University of Technology of Compiegne with the support of http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Internet Manufacturing and Services Inderscience Publishers

Influence of air vortices on the instabilities of aerostatic slider

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Publisher
Inderscience Publishers
Copyright
Copyright © 2016 Inderscience Enterprises Ltd.
ISSN
1751-6048
eISSN
1751-6056
DOI
10.1504/IJIMS.2016.084542
Publisher site
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Abstract

In order to identify the inherent small vibration of the aerostatic slider caused by gas film, dynamic behaviour for the aerostatic slider has been analysed both mathematically and experimentally. The gas flow state has been analysed with velocity slip method. Dynamic equation of the aerostatic slider has been established according to the calculated performance parameters. The frequency characteristics for the pneumatic self-induced oscillation of aerostatic sliders have been measured signal by piezoelectric acceleration sensor. The basic frequencies of slider system have been identified according to Fourier transformation, which is consistent with the values deduced with the theory equation. Keywords: air vortices; instabilities; aerostatic slider; velocity slip; micro-scale. Reference to this paper should be made as follows: Chen, D., Dong, L. and Fan, J. (2016) `Influence of air vortices on the instabilities of aerostatic slider', Int. J. Internet Manufacturing and Services, Vol. 4, No. 2, pp.102­117. Biographical notes: Dongju Chen is a Professor at Beijing Key Laboratory of Advanced Manufacturing Technology at Beijing University of Technology. She received her PhD in Mechanic Engineering from Harbin Institute of Technology in 2010. During 2008, she was sent to study abroad in France University of Technology of Compiegne with the support of

Journal

International Journal of Internet Manufacturing and Services – Inderscience Publishers

Published: Jan 1, 2016

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