A General Method for Correlating Labyrinth-Seal Leak-Rate Data

[+] Author and Article Information
F. E. Heffner

Research Laboratories, General Motors Corporation, Warren, Mich.

J. Basic Eng 82(2), 265-272 (Jun 01, 1960) (8 pages) doi:10.1115/1.3662567 History: Received July 06, 1959; Online November 04, 2011


The proper selection of an optimum labyrinth seal for a given application depends upon an accurate estimate of the seal leak rate. Suitable accuracy, particularly for straight labyrinth seals, can only be obtained from actual seal tests. Testing a complete series of seals is time-consuming and expensive. A method for correlating test data is presented which allows calculation of the leak rates for an entire family of labyrinth seals on the basis of tests of only two characteristic seals. Leak rates predicted by the method are within 3 per cent of the basic test data.

Copyright © 1960 by ASME
Topics: Leakage , Testing
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