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TECHNICAL PAPERS

Influence of Vane/Blade Spacing on the Heat Flux for a Transonic Turbine

[+] Author and Article Information
M. G. Dunn, C. W. Haldeman, R. S. Abhari, M. L. McMillan

The Ohio State University, Gas Turbine Laboratory, Columbus, OH 43235

J. Turbomach 122(4), 684-691 (Feb 01, 2000) (8 pages) doi:10.1115/1.1313818 History: Received February 01, 2000
Copyright © 2000 by ASME
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References

Dring, R. P., Joslyn, H. D., Hardin, L. W., and Wagner, J. J., 1981, “Research on Turbine Rotor–Stator Interaction and Rotor Negative Incidence Stall,” AFWAL-TR-81-2114.
Rao, K. V., and Delaney, R. A., 1990, “Investigation of Unsteady Flow Through Transonic Turbine Stage, Part I: Analysis,” AIAA Paper No. 90-2408.
Dunn, M. G., Bennett, W. A., Delaney, R. A., and Rao, K. V., 1990, “Investigation of Unsteady Flow Through a Transonic Turbine Stage: Part II—Data/Prediction Comparison for Time-Averaged and Phase-Resolved Pressure Data,” AIAA Paper 90-2409.
Venable,  B. L., Delaney,  R. A., Busby,  J. A., Davis,  R. L., Dorney,  D. J., Dunn,  M. G., Haldeman,  C. W., and Abhari,  R. S., 1999, “Influence of Vane–Blade Spacing on Transonic Turbine Stage Aerodynamics: Part I—Time-Averaged Data and Analysis,” ASME J. Turbomach., 121, pp. 663–672.
Busby,  J. A., Davis,  R. L., Dorney,  D. J., Dunn,  M. G., Haldeman,  C. W., Abhari,  R. S., Venable,  B. L., and Delaney,  R. A., 1999, “Influence of Vane–Blade Spacing on Transonic Turbine Stage Aerodynamics: Part II—Time-Resolved Data and Analysis,” ASME J. Turbomach., 121, pp. 673–682.
Rao,  K. V., Delaney,  R. A., and Dunn,  M. G., 1994, “Vane–Blade Interaction in a Transonic Turbine, Part II: Heat Transfer,” J. Propul. Power, 10, No. 3, pp. 312–317.
Hilditch, M. A., and Ainsworth, R. W., 1990, “Unsteady Heat Transfer Measurements on a Rotating Gas Turbine Blade,” ASME Paper No. 90-GT-175.
Abhari,  R. S., Guenette,  G. R., Epstein,  A. H., and Giles,  M. B., 1992, “Comparison of Time-Resolved Turbine Rotor Blade Heat Transfer Measurements and Numerical Calculations,” ASME J. Turbomach., 114, pp. 818–827.
Dunn,  M. G., and Hause,  A., 1982, “Measurement of Heat Flux and Pressure in a Turbine Stage,” ASME J. Eng. Power, 104, pp. 215–223.
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Dunn, M. G., 1984, “Time-Resolved Heat-Flux Measurements for a Full-Stage Turbine,” AFWAL-TR-84-2025.
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Figures

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Sketch of Allison VBI turbine located in OSU GTL shock tunnel
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General instrumented blade locations on VBI turbine
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Vane time-averaged Nusselt number (20 percent spacing)
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Vane time-averaged Nusselt number (40 percent spacing)
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Vane time-averaged Nusselt number (60 percent spacing)
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Composite plot of vane Nusselt number for different spacings
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Blade time-averaged Nusselt number (20 percent spacing)
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Blade time-averaged Nusselt number (40 percent vane–rotor spacing)
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Blade time-averaged Nusselt number (60 percent spacing)
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Composite plot of blade Nusselt number for different spacings
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Blade suction surface data near stagnation point (20 percent spacing)
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Blade pressure surface data near stagnation point (20 percent spacing)
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Blade pressure surface data (20 percent spacing)
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Blade suction surface data (20 percent spacing)
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Blade suction surface data (20 percent spacing)
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Unsteady Nusselt number envelopes for 20 percent spacing
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Unsteady Nusselt number envelopes for 60 percent spacing

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