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TECHNICAL PAPERS

Nonaxisymmetric Turbine End Wall Design: Part I— Three-Dimensional Linear Design System

[+] Author and Article Information
Neil W. Harvey, Martin G. Rose, Mark D. Taylor

Turbine Engineering, Rolls-Royce plc, Derby, United Kingdom

Shahrokh Shahpar

Aerothermal Methods, Rolls-Royce plc, Derby, United Kingdom

Jonathan Hartland, David G. Gregory-Smith

School of Engineering, Durham University, Durham, United Kingdom

J. Turbomach 122(2), 278-285 (Feb 01, 1999) (8 pages) doi:10.1115/1.555445 History: Received February 01, 1999
Copyright © 2000 by ASME
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References

Figures

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Secondary flow model after 16
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Example of perturbed end wall and calculation grid
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Calculated exit angles for different aerofoil geometries
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Plan view of Durham cascade with calculation planes
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Streamwise section A–A (pressure side) of end wall
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Streamwise section B–B (suction side) of end wall
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Approximate axial section C–C of end wall
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Calculated exit angles for profiled end walls
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Approximate axial section D–D through end wall
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Calculated losses for profiled end walls
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Calculated secondary kinetic energy profiles
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Static pressures at end wall section C–C
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Surface flow visualization for: (a) planar end wall; (b) profiled end wall
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Exit plane streaklines: (a) planar end wall; (b) profiled end wall
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Perspective view of final profiled end wall design

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