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TECHNICAL PAPERS

Unsteady Rotor Heat Transfer in a Transonic Turbine Stage

[+] Author and Article Information
F. Didier, R. Dénos, T. Arts

Von Karman Institute for Fluid Dynamics, Rhode Saint Genèse, Belgium

J. Turbomach 124(4), 614-622 (Nov 07, 2002) (9 pages) doi:10.1115/1.1505850 History: Received September 21, 2001; Online November 07, 2002
Copyright © 2002 by ASME
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References

Ashworth,  D. A., LaGraff,  J. E., Shultz,  D. L., and Grindrod,  K. J., 1985, “Unsteady Aerodynamic and Heat Transfer Processes in a Transonic Turbine Stage,” ASME J. Eng. Gas Turbines Power, 107, pp. 1022–1030.
Doorly,  D. J., and Oldfield,  M. L. G., 1985, “Simulation of the Effect of Shock Wave Passing on a Turbine Rotor Blade,” ASME J. Eng. Gas Turbines Power, 107, pp. 998–1006.
Popp, O., Smith, D. E., Bubb, J. V., Grabowski, III, Diller, T. E., Schetz, J. A., and Ng Wing-Fai, 2000, “Investigation of Heat Transfer in a Film Cooled Transonic Turbine Cascade, Part II: Unsteady Heat Transfer.” ASME Paper 2000-GT-0202.
Guenette,  G. R., Epstein,  A. H., Giles,  M. B., Haimes,  R., and Norton,  R. J. G., 1989, “Fully Scaled Transonic Turbine Rotor Heat Transfer Measurements” ASME J. Turbomach., 111, pp. 1–7.
Dunn,  M. G., Seymour,  P. J., Woodward,  S. H., Georges,  W. K., and Chupp,  R. E., 1989, “Phase-resolved Heat-Flux Measurements on the Blade of a Full-Scale Rotating Turbine,” ASME J. Turbomach., 111, pp. 8–19.
Hilditch, M. A., Smith G. C., Anderson, S. J., and Chana, K. S., 1995, “Unsteady Measurements in an Axial Flow Turbine Stage,” Proc., 85th propulsion and energetics panel symposium on loss mechanism and unsteady flows in turbomachines, Derby, U.K.
Moss, R. W., Sheldrake, C. D., and Ainsworth, R. W., Smith, A. D., and Dancer, S. N., 1995, “Unsteady Pressure and Heat Transfer Measurements on a Rotating Blade Surface in a Transient Flow Facility,” 85th Propulsion and Energetic Panel Symposium on Loss Mechanism and Unsteady Flows in Turbomachines, Derby, UK, 1995. AGARD CP No. 571.
Dénos, R., 1996, “Investigation of the Unsteady Aerothermal Flow Field in the Rotor of a Transonic Turbine,” Ph.D. thesis, IVK-University of Poitiers
Arts,  T., Rouvroit,  , Arts,  T., Lambert de,  M., 1992, “Aerothermal performance of a 2D highly loaded transonic turbine nozzle guide vane–a test case for inviscid and viscous flow computations,” ASME Paper No. 90-GT-358, ASME J. Turbomach., 114(1), pp. 147–154.
Johnson,  A. B., Rigby,  M. J., Oldfield,  M. L. G., Ainsworth,  R. W., and Oliver,  M. J., 1989, “Surface Heat Transfer Fluctuations on Turbine Rotor Blade due to Upstream Shock Wave Passing,” ASME J. Turbomach., 111, pp. 105–115.
Johnson, A. B., Oldfield, M. L. G., Rigby, M. J., and Giles, M. B., 1990, “Nozzle Guide Vane Shock Wave Propagation and Bifurcation in a Transonic Turbine Rotor,” ASME Paper No. 90-GT-310.
Moss,  R. W., Ainsworth,  R. W., and Garside,  T., 1998, “Effect of Rotation on Blade Surface Heat Transfer: An Experimental Investigation,” ASME J. Turbomach., 120, pp. 530–540.
Dénos,  R., Arts,  T., Paniagua,  G., Michelassi,  V., and Martelli,  F., 2001, “Investigation of the Unsteady Rotor Aerodynamics in a Transonic Turbine Stage,” ASME Paper No. 2000-GT-0435, ASME J. Turbomach., 123, p. 81–89.
Sieverding, C. H., and Arts, T., 1992, “The VKI compression Tube Annular Cascade Facility CT3,” ASME paper 92-GT-336.
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Camci, G., 1985, “Experimental and Theoretical Study of Film Cooling on a Gas Turbine Blade,” Ph.D. thesis, Katholieke Universiteit Leuven/von Karman Institute.
Camci,  G., and Arts,  T., 1985, “Experimental Heat Transfer Investigation Around the Film-Cooled Leading Edge of a High-pressure Gas Turbine Rotor Blade,” ASME J. Eng. Gas Turbines Power, 107, pp. 1016–1021.
Lowery,  G. W., and Vachon,  R. I., 1975, “The Effect of Turbulence on Heat Transfer from Heated Cylinders,” Int. J. Heat Mass Transf., 18, pp. 1229–1242.
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Kays, W., 1966, Convective Heat and Mass Transfer, McGraw-Hill, New York, NY
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Figures

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Gage distribution and geometry of the Brite rotor
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Thin film gages on Macor insert at hub platform, 85% span and blade tip
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Typical temperature evolution in the test section and heat flux on the rotor blade
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Phase reference and shock-wake system
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Time-average Nusselt number at the three investigated heights for nominal conditions
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Prediction of Nusselt number at leading edge according to Lowery and Vachon experimental law for cylinders in cross-flows
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Mach number distribution at 15, 50, and 85% height for nominal conditions
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Nusselt number distribution at 50% for the different running conditions
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Mach number distribution at midspan for the different running conditions
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Nusselt number distribution at blade tip for the different running conditions
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Nusselt number distribution at hub platform middle line for the different running conditions
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Statistics for unsteady Nusselt number at 50% span for nominal conditions.
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Unsteady traces at 50% span for nominal conditions
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Minimum and maximum of Nusselt number fluctuations at 15, 50, and 85% span for nominal conditions
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Comparison of Nusselt number with static pressure fluctuations
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Minimum and maximum of Nusselt number fluctuations at 15% span for the different conditions
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Minimum and maximum of Nusselt number fluctuations at 50% span for the different conditions

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