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Structural Stiffness and Coulomb Damping in Compliant Foil Journal Bearings: Parametric Studies

 

作者: C.-P.Roger Ku,   Hooshang Heshmat,  

 

期刊: Tribology Transactions  (Taylor Available online 1994)
卷期: Volume 37, issue 3  

页码: 455-462

 

ISSN:1040-2004

 

年代: 1994

 

DOI:10.1080/10402009408983317

 

出版商: Taylor & Francis Group

 

关键词: Bearing;Friction;Damper

 

数据来源: Taylor

 

摘要:

This paper presents the results of the second part of the investigation on structural stiffness and Coulomb damping in compliant foil journal bearings. In the first part, a theoretical model was developed to calculate equivalent viscous damping coefficients and structural stiffness of a bump foil strip in a journal bearing or damper. A computer program was also developed to compute the eccentricity and attitude angle of the journal static equilibrium position as well as the deflections, displacements, reacting forces, and equivalent friction coefficient of each bump on the strip. This model and program enabled further parametric studies to be conducted in the second part of the investigation, the results of which are the subject of this paper.

 

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