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Static and Dynamic Performance Characteristics of an Orifice-Compensated Hydrostatic Journal Bearing

 

作者: D.V. Singh,   R. Sinhasan,   R.C. Ghai,  

 

期刊: A S L E Transactions  (Taylor Available online 1979)
卷期: Volume 22, issue 2  

页码: 162-170

 

ISSN:0569-8197

 

年代: 1979

 

DOI:10.1080/05698197908982912

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

The fluid film lubrication equation for a zero-speed, orifice-compensated, multipocket hydrostatic journal bearing is solved by a finite element method for determining its steady-state performance and the dynamic stiffness and damping coefficients. These coefficients of the film influence the response of the shaft-bearing system. Performance data have been computed for a four-pocket bearing of L/D = 1.0, with various orifice design parameters and eccentricity ratios. For stability studies, critical mass for the linearized system has been determined by Routh's criterion. By discretizing time and using the Runge-Kutta method, motion trajectories of the journal center have been theoretically determined for a small arbitrary initial disturbance.

 

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