Leading edge modification effects on turbine cascade endwall loss

American Society of Mechanical Engineers, International Gas Turbine Institute, Turbo Expo (Publication) IGTI

Volumn 6 A, Issue , 2003, Pages 359-367

  Becz, S ^a   Majewski, M S ^a   Langston, L S ^a  

^a UNIVERSITY OF CONNECTICUT   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

SADDLE POINT;

AERODYNAMICS; AIRCRAFT; AIRFOILS; BOUNDARY LAYER FLOW; JET ENGINES; NAVIER STOKES EQUATIONS; SUBSONIC FLOW; TURBOMACHINE BLADES; VORTEX FLOW; WIND TUNNELS;

TURBINES;

EID: 0348224979     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1115/GT2003-38898     Document Type: Conference Paper

References (15)

1. Langston, L.S., 1980, "Crossflows in a Turbine Cascade Passage," ASME J.Eng for Power. 102, pp. 866-874.
2. Sharma, O.P., and Butler, T.L., 1987 "Predictions of Endwall Losses and Secondary Flows in Axial Flow Turbine Cascades", ASME J. of Turbo., 109, pp. 229-236.
3. Langston, L., Nice, M., and Hooper, R., "Three-Dimensional Flow Within a Turbine Cascade Passage," ASME International Gas Turbine Institute, paper No. 76-GT-50
4. Langston, L.S., 2001, "Secondary Flows in Axial Turbines - A Review," Heat Transfer in Gas Turbine Systems, Annals of the New York Academy of Sciences, 934, pp. 11-26.
5. Harrison, S., 1990, "Secondary Loss Generation in a Linear Cascade of High-Turning Turbine Blades," ASME J. of Turbo., 112, pp. 618-24.
6. Duden, A., Raab, I., and Fottner, L., 1999, "Controlling the Secondary Flow in a Turbine Cascade by Three-Dimensional Aifoil Design and Endwall Contouring," ASME J. of Turbo. 121, pp. 191-199.
7. Deich, M.E., Zaryanskin, A.E., Fillipov,GA., and Zatsepin, M., 1960, "Method of Increasing the Efficiency of Turbine Stages with Short Blades," Teploenergetikia, 2, pp. 240-254.
8. Morris, A.W.H., and Hoare, R.G., 1975, "Secondary Loss Measurements in a Cascade of Turbine Blades with Meridional Wall Profiling," ASME Paper No. 75/GT-13.
9. Kopper, F.C. and Milano, R., 1981, "Experimental Investigation of Endwall Profiling in Turbine Vane Cascade," AIAA Journal. 19, pp. 1033-1040.
10. Dossena, V., Perdichizzi, A. and Savini, M., 1999, "The Influence of Endwall Contouring on the Performance of a Turbine Nozzle Guide Vane," ASME J. of Turbo. 121, pp. 200-208.
11. Sauer, H., Muller, R. and Vogeler, K., 2000, "Reduction of Secondary Flow Losses in Turbine Cascades by Leading Edge Modifications at the Endwall," ASME International Gas Turbine Institute, paper No. 00-GT-473.
12. Sauer, H. and Wolf, H., 1997, "Influencing the Secondary Flow in Turbine Cascades by the Modification of the Blade Leading Edge," European Conference of Turbomachinery. Antwerpen.
13. Zess, GA. and Thole, K.A., 2002, "Computational Design and Experimental Evaluation of Using a Leading Edge Fillet on a Gas Turbine Vane", ASME J. of Turbo., 124, pp. 167-175
14. Sharma, O.P. and Butler, T.J., 1979, "Turbine Total Pressure Loss Prediction System, Part I Plane Cascades," Pratt & Whitney Internal Documentation, TGM #390.
15. Ni, R.H., 1982, "A Multiple-Grid Scheme for Solving the Euler Equations," AIAA Journal, 20(11), pp. 1565-1571.