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TECHNICAL PAPERS

Effect of Nonuniform Inlet Conditions on Endwall Secondary Flows

[+] Author and Article Information
K. S. Hermanson

Alstom Power (Switzerland), CH-5401 Baden, Switzerland

K. A. Thole

Mechanical Engineering Department, Virginia Polytechnic Institute and State University, Blacksburg, VA 24060

J. Turbomach 124(4), 623-631 (Nov 07, 2002) (9 pages) doi:10.1115/1.1505849 History: Received December 11, 2001; Online November 07, 2002
Copyright © 2002 by ASME
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References

Figures

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Total pressure loss through the vane passages
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Case 4 secondary velocity vectors and streamwise velocity contours for each passage (a)–(c) and streamlines (d)
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Case 5 secondary velocity vectors and streamwise velocity contours for each passage (a)–(c) and streamlines (d)
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Computational domain for single-passage studies
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Locations and coordinates for benchmarking CFD with experimental measurements
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Grid sensitivity studies showing the total pressure loss through the passage
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Predicted (a) and measured (b) secondary velocity vectors and streamwise velocity contours in plane SS-1
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Inlet conditions for the radially varying velocity (a) and temperature (b) profiles
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Inlet boundary conditions for case 4.
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Inlet boundary conditions for case 5
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CFD predictions of total pressure (a), secondary flow vectors with streamwise vorticity contours (b), and temperature contours (c) for case 2
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CFD predictions of total pressure (a), secondary flow vectors with streamwise vorticity contours (b), and temperature contours (c) for case 3

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