Analytical Prediction Techniques for Axisymmetric Flow in Gas Labyrinth Seals

[+] Author and Article Information
U. Yucel, J. Y. Kazakia

Lehigh University, Department of Mechanical Engineering and Mechanics, 19 Memorial Drive West, Bethlehem, PA 18015-3085

J. Eng. Gas Turbines Power 123(1), 255-257 (May 12, 2000) (3 pages) doi:10.1115/1.1340630 History: Received April 18, 2000; Revised May 12, 2000
Copyright © 2001 by ASME
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Grahic Jump Location
The dependence of the mass flow number G on the pressure ratio r=Pout/Pin. Analytical (present), numerical and experimental results are compared for two different seals. Case A refers to a five-tooth seal used by Brownell et al. 6, case B refers to a twelve-tooth seal used by Benvenuti et al. 5.
Grahic Jump Location
The flow coefficient variation with pressure. Formula used in numerical results is compared with formula used for semi-analytical approach.




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