The influence of leading-edge geometry on secondary losses in a turbine cascade at the design incidence

Journal of Turbomachinery

Volumn 126, Issue 2, 2004, Pages 277-287

  Benner, M W ^a   Sjolander, S A ^a   Moustapha, S H ^b  

^a CARLETON UNIVERSITY   (Canada)

^b PRATT AND WHITNEY CANADA   (Canada)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; BODIES OF REVOLUTION; CASCADE CONNECTIONS; MACHINE DESIGN; VORTEX FLOW;

INLET CONDITIONS; LEADING-EDGE GEOMETRIES; SECONADARY LOSSES; SECONDARY FLOW;

TURBINES;

DESIGN; FLUID DYNAMICS; INDUSTRIAL APPLICATION; SECONDARY FLOW; TURBINE;

EID: 7644230095     PISSN: 0889504X     EISSN: None     Source Type: Journal    
DOI: 10.1115/1.1645533     Document Type: Article

References (43)

1. Benner, M. W., Sjolander, S. A., and Moustapha, S. H., 1997, "Influence of Leading-Edge Geometry on Profile Losses in Turbines at Off-Design Incidence: Experimental Results and an Improved Correlation," ASME J. Turbomach., 119, pp. 193-200.
2. Benner, M. W., Sjolander, S. A., and Moustapha, S. H., 1997, "Measurements of Secondary Flows in a Turbine Cascade at Off-Design Incidence," ASME Paper 97-GT-382.
3. Sieverding, C. H., 1985, "Recent Progress in the Understanding of Basic Aspects of Secondary Flows in Turbine Blade Passages," ASME J. Turbomach., 107, pp. 249-257.
4. Gregory-Smith, D. G., 1997, "Secondary and Tip-Clearance Flows in Axial Turbines," VKI LS 1997-01, Von Karman Institute for Fluid Dynamics, Rhode St. Genese, Belgium.
5. Langston, L. S., 2001, "Secondary Flows in Axial Turbines-A Review," Ann. N.Y. Acad. Sci. 934, pp. 11-26.
6. Baker, C. J., 1980, "The Turbulent Horeshoe Vortex," J. Wind. Eng. Ind. Aerodyn., 6, pp. 9-23.
7. Eckerle, W. A., and Langston, L. S., 1987, "Horseshoe Vortex Formation Around a Cylinder," ASME J. Turbomach., 109, pp. 278-285.
8. Pierce, F. J., and Tree, I. K., 1990, "The Mean Flow Structure on the Symmetry Plane of a Turbulent Junction Vortex," ASME J. Fluids Eng., 112, pp. 16-22.
9. Devenport, W. J., and Simpson, R. L., 1990, "Time-Dependent and Time-Averaged Turbulence Structure Near the Nose of a Wing-Body Junction," J. Fluid Mech., 210, pp. 23-55.
10. Ballio, F., Bettoni, C., and Franzetti, S., 1998, "A Survey of Time-Averaged Characteristics of Laminar and Turbulent Horseshoe Vortices," ASME J. Fluids Eng., 120, pp. 233-242.
11. Moore, J., and Ransmayr, A., 1984, "Flow in a Turbine Cascade-Part I: Losses and Leading-Edge Effects," ASME J. Eng. Gas Turbines Power, 106, pp. 400-408.
12. Goobie, S. M., Moustapha, S. H., and Sjolander, S. A., 1989, "An Experimental Investigation of the Effect of Incidence on the Two-Dimensional Performance of an Axial Turbine Cascade," Proceedings, Ninth International Symposium on Air Breathing Engines, pp. 197-204.
13. Tremblay, B., Sjolander, S. A., and Moustapha, S. H., 1990, "Off-Design Performance of a Linear Cascade of Turbine Blades," ASME Paper 90-GT-314.
14. Rodger, P., Sjolander, S. A., and Moustapha, S. H., 1992, "Establishing Two-Dimensional Flow in a Large-Scale Planar Turbine Cascade," AIAA Paper 92-3066.
15. Moustapha, S. H., Kacker, S. C., and Tremblay, B., 1990, "An Improved Incidence Losses Prediction Method for Turbine Airfoils," ASME J. Turbomach., 112, pp. 267-276.
16. Korakianitis, T., and Papagiannidis, P., 1993, "Surface-Curvature-Distribution Effects on Turbine Cascade Performance," ASME J. Turbomach., 115, pp. 334-341.
17. Gregory-Smith, D. G., Graves, C. P., and Walsh, J. A., 1988, "Growth of Secondary Losses and Vorticity in an Axial Turbine Cascade," ASME J. Turbomach., 110, pp. 1-8.
18. Yaras, M. I., and Sjolander, S. A., 1990, "Development of the Tip-Leakage Flow Downstream of a Planar Cascade of Turbine Blades: Vorticity Field," ASME J. Turbomach., 112, pp. 609-617.
19. Gregory-Smith, D. G., and Cleak, J. G. E., 1992, "Secondary Flow Measurements in a Turbine Cascade With High Inlet Turbulence," ASME J. Turbomach., 114, pp. 173-183.
20. Marchal, P., and Sieverding, C. H., 1977, "Secondary Flows within Turbomachinery Bladings," Secondary Flows in Turbomachines, AGARD-CP-214, Paper 11, pp. 1-19.
21. Hodson, H. P., and Dominy, R. G., 1987, "Three-Dimensional Flow in a Low-Pressure Turbine Cascade at its Design Condition," ASME J. Turbomach., 109, pp. 177-185.
22. Perdichizzi, A., and Dossena, V., 1993, "Incidence Angle and Pitch-Chord Effects on Secondary Flows Downstream of a Turbine Cascade," ASME J. Turbomach., 115, pp. 383-391.
23. Weiss, A. P., and Fottner, L., 1995, "The Influence of Load Distribution on Secondary Flow in Turbine Cascades," ASME J. Turbomach., 117, pp. 133-141.
24. Sharma, O. P., and Butler, T. L., 1987, "Predictions of Endwall Losses and Secondary Flows in Axial Turbine Cascades," ASME J. Turbomach., 109, pp. 229-236.
25. Wang, H. P., Olson, S. J., Goldstein, R. J., and Eckert, E. R. G., 1997, "Flow Visualization in a Linear Turbine Cascade of High Performance Turbine Blades," ASME J. Turbomach., 119, pp. 1-8.
26. Sonoda, T., 1985, "Experimental Investigation on Spatial Development of Streamwise Vortices in a Turbine Inlet Guide Vane Cascade," ASME Paper 85-GT-20.
27. Jabbari, M. Y., Goldstein, R. J., Marston, K. C., and Eckert, E. R. G., 1992, "Three-Dimensional Flow at the Junction between a Turbine Blade and End-Wall," Waerme- Stoffuebertrag., 27, pp. 51-59.
28. Denton, J. D., 1993, "Loss Mechanisms in Turbomachinery," ASME J. Turbomach., 115, pp. 621-656.
29. Moore, J., and Smith, B. L., 1984, "Flow in a Turbine Cascade: Part 2-Measurement of Flow Trajectories by Ethylene Detection," ASME J. Eng. Gas Turbines Power, 106, pp. 409-413.
30. Sieverding, C. H., and Van den Bosche, P., 1983, "The Use of Coloured Smoke to Visualize Secondary Flows in a Turbine-Blade Cascade," J. Fluid Mech., 134, pp. 85-89.
31. Whitehouse, D. R., Moustapha, S. H., and Sjolander, S. A., 1993, "The Effect of Axial Velocity Ratio, Turbulence Intensity, Incidence, and Leading Edge Geometry on the Midspan Performance of a Turbine Cascade," Can. Aeronautics Space J., 39, pp. 150-156.
32. Kind, R. J., Serjak, P. J., and Abbott, M. W. P., 1998, "Measurements and Prediction of the Effects of Surface Roughness on Profile Losses and Deviation in a Turbine Cascade," ASME J. Turbomach., 120, pp. 20-27.
33. Marchal, P., 1980, "Etude des ecoulements secondaires en grille d'aubes de detente," Ph.D. thesis, Universit Libre de Bruxelles, Brussels, Belgium.
34. Sauer, H., Muller, R., and Vogeler, K., 2001, "Reduction of Secondary Flow Losses in Turbine Cascades by Leading Edge Modifications at the Endwall," ASME J. Turbomach., 123, pp. 207-213.
35. Mehta, R. D., 1984, "Effect of Wing Nose Shape on the Flow in a Wing/Body Junction," Aeronaut. J., 21, pp. 499-522.
36. Kubendran, L. R., McMahon, H. M., and Hubbartt, J. E., 1986, "Turbulent Flow Around a Wing/Fuselage-Type Juncture," AIAA J., 24, pp. 1447-1452.
37. Langston, L. S., Nice, M. L., and Hooper, R. M., 1977, "Three-Dimensional Flow Within a Turbine Cascade Passage," ASME J. Eng. Power, 99, pp. 21-28.
38. Kacker, S. C., and Okapuu, U., 1982, "A Mean Line Prediction Method for Axial Flow Turbine Efficiency," ASME J. Turbomach., 104, pp. 111-119.
39. Ainley, D. G., and Mathieson, G. C. R., 1951, "A Method of Performance Estimation for Axial Flow Turbines," British ARC, R&M 2974.
40. Dunham, J., and Came, P. M., 1970, "Improvements to the Ainley-Mathieson Method Turbine Performance Prediction Method," ASME J. Eng. Power, 88, pp. 252-256.
41. Craig, H. R. M., and Cox, H. J. A., 1971, "Performance Estimation of Axial Flow Turbines," Proc. Inst. Mech. Eng., 1970-1971, ImechE, London, 185, 32/71, pp. 407-424.
42. Traupel, W., 1977, Thermische Turbomaschinen, Springer-Verlag, Berlin.
43. Sieverding, C. H., 1985, "Axial Turbine Performance Prediction Methods," Thermodynamics and Fluid Mechanics of Turbomachinery (Vol. 1 of NATO ASI, Series E), pp. 737-784.