Investigation on the Modeling of Rotor Axial Displacement Fault Diagnosis and Prognosis for Centrifugal Compressor

Wei Min Wang; Zheng Qiu Xin; Wei Zheng An

doi:10.4028/www.scientific.net/AMR.139-141.2542

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 139-141Investigation on the Modeling of Rotor Axial...

Investigation on the Modeling of Rotor Axial Displacement Fault Diagnosis and Prognosis for Centrifugal Compressor

Abstract:

In this paper, a modeling about centrifugal compressor axial displacement fault diagnosis is proposed through investigating on the mechanical performance and failure mode of thrust bearing as well as the characteristics of axial displacement fault. In this paper, result of experimental studying of the force-displacement curve of rotor at different speed is presented. Numerical simulation method is used to predict the curve in diagnosis model. By comprising the experimental and numerical result, it can be seen that Finite Element Method(FEM) elastic-perfectly plastic material model can get more precise result than linear elastic model and Computational Fluid Dynamics(CFD) method provide a new insight to investigation the physics based diagnosis method. Result of the paper provides the foundation of axial displacement fault self-recovery.

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Periodical:

Advanced Materials Research (Volumes 139-141)

Pages:

2542-2545

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.139-141.2542

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Online since:

October 2010

Authors:

Wei Min Wang, Zheng Qiu Xin, Wei Zheng An

Keywords:

Axial Displacements, Centrifugal Compressor, Failure Analysis, Thrust Bearing

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References

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