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TECHNICAL PAPERS

Measurement and Analysis of Ingestion Through a Turbine Rim Seal

[+] Author and Article Information
O. Gentilhomme, N. J. Hills, A. B. Turner

Thermo-Fluid Mechanics Research Centre, University of Sussex, Brighton, East Sussex, BN1 9QT UK

J. W. Chew

Fluids Research Centre, School of Engineering, University of Surrey, Guildford, Surrey, GU2 7XH UK

J. Turbomach 125(3), 505-512 (Aug 27, 2003) (8 pages) doi:10.1115/1.1556411 History: Received January 25, 2002; Online August 27, 2003
Copyright © 2003 by ASME
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References

Figures

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Annulus pressure measurements
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Cavity swirl calculated from pressure measurements (OC2)
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Concentration measurements at R=0.92
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Domain for the unsteady CFD model 3
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Comparison with annulus pressure measurements (ke:k-ε turbulence model/sa:Spalart-Allmaras turbulence model)—(a) design condition OC1, (b) low-pressure condition OC2
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Axial decay of the NGV pressure asymmetry at the design condition OC1 with the Spalart-Allmaras turbulence model
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Axial decay of harmonic components of the NGV pressure asymmetry at the design condition OC1 with the Spalart-Allmaras turbulence model
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Axial decay of the rotor pressure asymmetry at the design condition OC1 with the Spalart-Allmaras turbulence model
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Axial decay of harmonic components of the rotor pressure asymmetry at the design condition OC1 with the Spalart-Allmaras turbulence mode
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Comparison of simple model for gas ingestion with measurements

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