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TECHNICAL PAPERS

Flow Field Computations of Combustor-Turbine Interactions Relevant to a Gas Turbine Engine

[+] Author and Article Information
Sarah Stitzel, Karen A. Thole

Mechanical Engineering Department, Virginia Tech, Blacksburg, VA 24061

J. Turbomach 126(1), 122-129 (Mar 26, 2004) (8 pages) doi:10.1115/1.1625691 History: Received December 01, 2002; Revised March 01, 2003; Online March 26, 2004
Copyright © 2004 by ASME
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References

Langston,  L. S., 1980, “Crossflows in a Turbine Cascade Passage,” J. Eng. Power, 102, pp. 866–874.
Schwab, J. R., Stabe, R. G., and Whitney, W. J., 1983, “Analytical and Experimental Study of Flow through and Axial Turbine Stage with a Nonuniform Inlet Radial Temperature Profile,” AIAA paper no. 83-1175.
Stabe, R. G., Whitney, W. J., and Moffitt, T. P., 1984, “Performance of High-Work Low-Aspect Ratio Turbine Tested with a Realistic Inlet Radial Temperature Profile,” AIAA paper no. 84-1161.
Butler,  T. L., Sharma,  O. P., Joslyn,  H. D., and Dring,  R. P., 1989, “Redistribution of an Inlet Temperature Distortion in an Axial Flow Turbine Stage,” J. Propul. Power, 5, pp. 64–71.
Munk,  M., and Prim,  R. C., 1947, “On the Multiplicity of Steady Gas Flows Having the Same Streamline Pattern,” Proc. Natl. Acad. Sci. U.S.A., 33, pp. 137–141.
Shang,  T., and Epstein,  A. H., 1997, “Analysis of Hot Streak Effects on Turbine Rotor Heat Load,” J. Turbomach., 119, pp. 544–553.
Hermanson,  K. S., and Thole,  K. A., 2000, “Effect of Inlet Conditions on Endwall Secondary Flows,” J. Propul. Power, 16, pp. 286–296.
Blair, M. F., 1974, “An Experimental Study of Heat Transfer and Film Cooling on Large-Scale Turbine Endwalls,” J. Heat Transfer, pp. 524–529.
Granser, D., and Schulenberg, T., 1990, “Prediction and Measurement of Film Cooling Effectiveness for a First-Stage Turbine Vane Shroud,” ASME paper no. 90-GT-95.
Burd, S. W., and Simon, T. W., “Effects of Slot Bleed Injection over a Contoured Endwall on Nozzle Guide Vane Cooling Performance: Part I: Flow Field Measurements,” ASME paper no. 2000-GT-199.
Burd, S. W., Satterness, C. J., and Simon, T. W., 2000, “Effects of Slot Bleed Injection over a Contoured Endwall on Nozzle Guide Vane Cooling Performance: Part II Thermal Measurements,” ASME paper no. 2000-GT-200.
Oke, R., Simon, T., Burd, S. W., and Vahlberg, R., 2000, “Measurements in a Turbine Cascade Over a Contoured Endwall: Discrete Hole Injection of Bleed Flow,” ASME paper no. 2000-GT-214.
Oke, R., Simon, T., Shih, T. Zhu, B., Lin, Y. L., and Chyu, M., 2001, “Measurements Over a Film-Cooled, Contoured Endwall with Various Coolant Injection Rates,” ASME paper no. 2001-GT-140.
Kost, F., and Nicklas, M., 2001, “Film-Cooled Turbine Endwall in a Transonic Flow Field: Part I—Aerodynamic Measurements,” ASME paper no. 2001-GT-0145.
Nicklas, M., 2001, “Film-Cooled Turbine Endwall in a Transonic Flow Field: Part II—Heat Transfer and Film-Cooling Effectiveness Measurements,” ASME paper no. 2001-GT-0146.
Colban, W. F., Thole, K. A., and Zess, G., 2002, “Combustor-Turbine Interface Studies: Part 1: Endwall Measurements,” ASME paper no. 2002-GT-30526.
Colban, W. F., Lethander, A., T., Thole, K. A., and Zess, G., 2002, “Combustor-Turbine Interface Studies: Part 2: Flow and Thermal Field Measurements,” ASME paper no. 2002-GT-30527.
Launder,  B. E., and Spalding,  D. B., 1974, “The Numerical Computation of Turbulent Flows,” Comput. Methods Appl. Mech. Eng., 3, pp. 269–289.
Yakhot,  V., and Orszag,  S., 1986, “Renormalization Group Analysis of Turbulence: I. Basic Theory,” J. Sci. Comput., 1, pp. 1–51.
Launder,  B. E., Reece,  G. J., and Rodi,  W., 1975, “Progress in the Development of a Reynolds-Stress Turbulence Closure,” J. Fluid Mech., 68, pp. 537–566.
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Soechting, F. O., and Cheung, A., 1999, private communication.
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Figures

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(Color online) Illustration showing layout for the film-cooling holes and dilution holes relative to the vane location
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Schematic of computational domain for a full pitch combustor model for Case 2 with the slot
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(Color online) Comparisons of surface adiabatic effectiveness contours for Case 2 with the slot (a) predicted using CFD and (b) experimentally measured (Colban and Thole 16)
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(Color online) Comparisons of laterally averaged adiabatic effectiveness through the vane passage computationally predicted and experimentally measured
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(Color online) Streamlines released from slot feed holes around vane for Case 2 with a slot
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Total pressure contours in plane SP for (a) Case 1, (b) Case 2 with the slot and (c) an approaching turbulent boundary layer along the endwall 7
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Velocity vectors in SP for (a) Case 1, (b) Case 2, and (c) turbulent boundary layer 7
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Secondary flow fields in PS-2 for (a) Case 1, (b) Case 2, and (c) an approaching turbulent boundary layer 7
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Secondary flow fields in SS-1 (a) Case 1, (b) Case 2 with the slot, and (c) an approaching turbulent boundary layer along the endwall 7
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(Color online) Streamlines released for Case 1 (no slot) colored by w/Ucomb,exit from (a) 0–13 percent span and (b) 15–20 percent span. (c). Streamlines released at stagnation from 0 to 13 percent of the span at x/C=−0.05 for Case 2 with the slot colored by w/Ucomb,exit.
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Total pressure contours in plane SP for Case 3 with a slot and compound angle film-cooling holes
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Secondary flow fields for Case 3 with compound angle film-cooling and slot (a) plane PS-2 and (b) plane SS-1.
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(Color online) Streamlines released from 0–13 percent span at x/C=−0.05 for Case 3 colored by w/Ucomb,exit.
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(Color online) Endwall effectiveness contours for (a) Case 1 with no slot, (b) Case 2 with slot, and (c) Case 3 compound angled film-cooling holes and slot

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