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TECHNICAL PAPERS

Pressure Surface Separations in Low-Pressure Turbines—Part 2: Interactions With the Secondary Flow

[+] Author and Article Information
Michael J. Brear, Howard P. Hodson

Whittle Laboratory, Cambridge University, Cambridge, UK

Paloma Gonzalez

Industria de Turbo Propulsores, S.A., Madrid, Spaine-mail: paloma.gonzalez@itp.es

Neil W. Harvey

Rolls-Royce, plc, Derby, UKe-mail: neil.harvey@rolls-royce.com

J. Turbomach 124(3), 402-409 (Jul 10, 2002) (8 pages) doi:10.1115/1.1450765 History: Received October 20, 2000; Online July 10, 2002
Copyright © 2002 by ASME
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References

Figures

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Endwall and sectional profiles of blades A, B, C, and D
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Predicted streamlines at midspan for blades A and D
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Pitchwise mass-averaged (a) stagnation pressure loss (experiment), (b) stagnation pressure loss (predicted), (c) exit yaw angle (experiment), and (d) exit yaw angle (predicted) for blades A, B, C, and D at 125 percent Cx
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Contours of loss coefficient (Y) at 125 percent Cx for (a) blade A (experiment), (b) blade A (predicted), (c) blade D (experiment), and (d) blade D (predicted) (contour level=0.025)
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Schematic of the regions defined in the entropy generation rate analysis
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Predicted dissipation coefficient for 0 to 10 percent span on blades A and D
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Experimental flow visualization on the pressure surfaces of blades A and D
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Predicted flow on the pressure surfaces of blades A, B, C, and D
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Experimental flow visualization on the endwalls of blades A and D
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Predicted flow on the endwalls of blades A, B, C, and D
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Experimental flow visualization on the suction surfaces of blades A and D
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Predicted streamlines close to the endwall on blade A
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Experimental and predicted isentropic velocity distributions of blades A, B, C, and D at (a) midspan, and (b) 1 percent span

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