A novel modeling method to investigate the performance of aerostatic spindle considering the fluid-structure interaction

Qiang Gao, Lihua Lu, Wanqun Chen, Guoda Chen, Guanglin Wang

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

The performances of aerostatic spindle are highly affected by thefluid-structure interaction (FSI) between airfilmand solid structure. This paper proposes a novel modeling method to investigate the FSI of aerostatic spindlesystem, by which the structure deformation included by airfilm force can be acquired. Furthermore, a virtualweight loading method is proposed to estimate the stiffness of spindle with consideration of structure deformationand gravitational eccentricity. The reliability of the proposed method is verified by experiments. Based on theproposed FSI model, the influences of airfilm geometrical parameters and structure dimension on the perfor-mance of aerostatic spindle are further investigated and discussed to guide the design of air spindle.
LanguageEnglish
Pages461-469
Number of pages9
JournalTribology International
Volume115
Early online date15 Jun 2017
DOIs
Publication statusPublished - Nov 2017
Externally publishedYes

Fingerprint

aerostatics
spindles
Fluid structure interaction
Stiffness
fluids
Air
Experiments
interactions
eccentricity
stiffness
air
estimates

Cite this

Gao, Qiang ; Lu, Lihua ; Chen, Wanqun ; Chen, Guoda ; Wang, Guanglin. / A novel modeling method to investigate the performance of aerostatic spindle considering the fluid-structure interaction. In: Tribology International. 2017 ; Vol. 115. pp. 461-469.
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A novel modeling method to investigate the performance of aerostatic spindle considering the fluid-structure interaction. / Gao, Qiang; Lu, Lihua; Chen, Wanqun; Chen, Guoda; Wang, Guanglin.

In: Tribology International, Vol. 115, 11.2017, p. 461-469.

Research output: Contribution to journalArticle

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AB - The performances of aerostatic spindle are highly affected by thefluid-structure interaction (FSI) between airfilmand solid structure. This paper proposes a novel modeling method to investigate the FSI of aerostatic spindlesystem, by which the structure deformation included by airfilm force can be acquired. Furthermore, a virtualweight loading method is proposed to estimate the stiffness of spindle with consideration of structure deformationand gravitational eccentricity. The reliability of the proposed method is verified by experiments. Based on theproposed FSI model, the influences of airfilm geometrical parameters and structure dimension on the perfor-mance of aerostatic spindle are further investigated and discussed to guide the design of air spindle.

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