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RESEARCH PAPERS

Rub-Groove Width and Depth Effects on Flow Predictions for Straight-Through Labyrinth Seals

[+] Author and Article Information
David L. Rhode

Mechanical Engineering Department, Texas A&M University, College Station, TX 77843-3123

Richard G. Adams

Texaco E & P, Inc., New Orleans, LA 70130

J. Tribol 126(4), 781-787 (Nov 09, 2004) (7 pages) doi:10.1115/1.1760555 History: Received January 03, 2002; Revised March 16, 2004; Online November 09, 2004
Copyright © 2004 by ASME
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References

Figures

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Straight-through labyrinth seal with rub grooves
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Comparison between Stocker et al. 2 measurements and predictions for honeycomb labyrinth seal
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Friction coefficient versus Reynolds number: intermediate width rub-groove with large pressure ratio
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Friction coefficient versus Reynolds number: large rub-groove width with large pressure ratio
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Friction coefficient versus Reynolds number: small rub-groove width with large pressure ratio
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Magnified view of velocity vectors: intermediate depth and intermediate width rub-groove with large pre-rub clearance
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Magnified view of velocity vectors: intermediate depth and narrow width rub-groove with large pre-rub clearance
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Magnified view of velocity vectors: shallow depth and narrow width rub-groove with intermediate pre-rub clearance
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Magnified view of velocity vectors: large depth and narrow width rub-groove with intermediate pre-rub clearance
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Magnified view of velocity vectors: shallow depth and narrow width rub-groove with small pre-rub clearance
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Overall velocity vectors: shallow depth and narrow width rub-groove with small pre-rub clearance
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Magnified view of velocity vectors: intermediate depth and narrow width rub-groove with small pre-rub clearance
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Overall velocity vectors: intermediate depth and narrow width rub-groove with small pre-rub clearance
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Magnified view of velocity vectors: large depth and narrow width rub-groove with small pre-rub clearance
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Overall velocity vectors: large depth and narrow width rub-groove with small pre-rub clearance
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Friction coefficient versus Reynolds number: intermediate width rub-groove with small pressure ratio
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Friction coefficient versus Reynolds number: narrow width rub-groove with small pressure ratio

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