International Journal of Rotating Machinery

International Journal of Rotating Machinery / 1995 / Article

Open Access

Volume 1 |Article ID 209310 | https://doi.org/10.1155/S1023621X95000042

T. Iwatsubo, B. C. Sheng, "Evaluation of Seal Effects on the Stability of Rotating Fluid Machinery", International Journal of Rotating Machinery, vol. 1, Article ID 209310, 8 pages, 1995. https://doi.org/10.1155/S1023621X95000042

Evaluation of Seal Effects on the Stability of Rotating Fluid Machinery

Abstract

The stability of typical rotating fluid machinery such as single ahd multi-stage pumps is evaluated by using the finite element method. The individual contribution of the impellers, bearings and seals to the stability and the dynamic interactions of these fluid elements are examined. Various types of bearings and seals, such as annular smooth, parallel grooved and damper seals, are compared for better rotor stability. The effect of the operating conditions on the stability is also investigated. The results show that rotor stability can be easily improved by replacing the unstable fluid elements.

Copyright © 1995 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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