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TECHNICAL PAPERS

Investigation of a Novel Secondary Flow Feature in a Turbine Cascade With End Wall Profiling

[+] Author and Article Information
Grant Ingram, David Gregory-Smith

School of Engineering, University of Durham, South Road, Durham DH1 3LE, UK

Neil Harvey

Rolls-Royce plc, Derby, DE24 8BJ UK

J. Turbomach 127(1), 209-214 (Feb 09, 2005) (6 pages) doi:10.1115/1.1812321 History: Received October 01, 2003; Revised March 01, 2004; Online February 09, 2005
Copyright © 2005 by ASME
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References

Sieverding,  C. H., 1985, “Recent Progress in the Understanding of Basic Aspects of Secondary Flows In Turbine Blade Passages,” ASME J. Eng. Gas Turbines Power, 107, pp. 248–252.
Langston,  L. S., 2001, “Secondary Flows in Axial Turbines-a Review,” Heat and Mass Transfer in Gas Turbine Systems, Trenie Iznos, 943, pp. 11–26.
Harvey,  N. W., Rose,  M. G., Shahpar,  S., Taylor,  M. D., Hartland,  J., and Gregory-Smith,  D. G., 2000, “Non-Axisymmetric Turbine End Wall Design: Part I Three-Dimensional Design System,” ASME J. Turbomach., 122, pp. 278–285.
Hartland,  J., Gregory-Smith,  D. G., Harvey,  N. W., and Rose,  M. G., 2000, “Non-Axisymmetric End Wall Design: Part II Experimental Validation,” ASME J. Turbomach., 122, pp. 286–293.
Ingram, G. L., Gregory-Smith, D. G., Rose, M. G., Harvey, N. W., and Brennan, G., 2002, “The Effect of End-Wall Profiling on Secondary Flow and Loss Development in a Turbine Cascade,” ASME paper no. GT-2002-30339.
Brennan, G., Harvey, N. W., Rose, M. G., Fomison, N., and Taylor, M. D., 2001, “Improving the Efficiency of the Trent 500 HP Turbine Using Non-Axisymmetric End Walls: Part 1 Turbine Design,” ASME paper no. 2001-GT-0444.
Rose, M. G., Harvey, N. W., Seaman, P., Newman, D. A., and McManus, D., 2001, “Improving the Efficiency of the Trent 500 HP Turbine Using Non-Axisymmetric End Walls: Part 2: Experimental Validation,” ASME paper no. 2001-GT-0505.
Harvey, N. W., Brennan, G., Newman, D. A., and Rose, M. G., 2002, “Improving Turbine Efficiency Using Non-Axisymmetric End walls: Validation in the Multi-Row Environment and with Low Aspect Ratio Blading,” ASME paper no. GT-2002-30337.
Ingram, G., Gregory-Smith, D. G., and Harvey, N. W., 2003, “Quantification of the Benefits of End-Wall Profiling in a Turbine Cascade,” XVI International Symposium on Air Breathing Engines (ISABE), AIAA paper no. AIAA-2003-1101.
Moore, H., and Gregory-Smith, D. G., 1996, “Transition Effects on Secondary Flows in a Turbine Cascade,” ASME paper no. 96-GT-100.
Zess,  G. A., and Thole,  K. A., 2002, “Computational Design and Experimental Evaluation of Using a Leading Edge Fillet on a Gas Turbine Vane,” ASME J. Turbomach., 124, pp. 167–175.
Sauer, H., Muller, R., and Vogeler, K., 2000, “Reduction of Secondary Flow Losses in Turbine Cascades by Leading Edge Modifications at the End-wall,” ASME paper no. 2000-GT-0473.
Moore, J. G., 1985, “Calculation of 3D Flow without Numerical Mixing,” AGARD-LS-140, 3D Computation Techniques applied to Internal Flows in Propulsion Systems, pp. 8.1–8.15.
Ingram, G. L., 2003, “End Wall Profiling for the Reduction of Secondary Flow in Turbines,” Ph.D. thesis, University of Durham.
Moore, H., 1995, “Experiments in a Turbine Cascade for the Validation of Turbulence and Transition Models,” Ph.D. thesis, University of Durham.

Figures

Grahic Jump Location
Cp0 near wall at 38% Cax—planar
Grahic Jump Location
Cp0 near wall at 38% Cax—profiled
Grahic Jump Location
Sample CFD of separated region
Grahic Jump Location
CFD surface flow viz. datum CFD calculation
Grahic Jump Location
CFD surface flow viz. modified CFD calculations
Grahic Jump Location
38% Cax CFD loss coefficient (Cp0)

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