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TECHNICAL PAPERS

An Investigation on Turbine Tip and Shroud Heat Transfer

[+] Author and Article Information
Kam S. Chana

QinetiQ, Cody Technology Park, Farnborough Hants, GU14 OLX UK

Terry V. Jones

Department of Engineering Science, University of Oxford, Oxford, OX1 3PJ UK

J. Turbomach 125(3), 513-520 (Aug 27, 2003) (8 pages) doi:10.1115/1.1575253 History: Received December 12, 2001; Online August 27, 2003
Copyright © 2003 by ASME
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References

Metzger,  D. E., Dunn,  M. G., and Hah,  C., 1991, “Turbine Tip and Shroud Heat Transfer,” ASME J. Turbomach., 113, pp. 502–507.
Bindon,  J. P., 1989, “The Measurement and Formation of Tip Clearance Loss,” ASME J. Turbomach., 111, pp. 257–263.
Luo, J., and Lakshminarayana, B., 1997, “Three-Dimensional Navier-Stokes Analysis of Turbine Rotor and Tip Leakage Flowfield,” ASME Int. Gas Turbine Conference 97-GT.
Dunn,  M. G., Rae,  W. J., and Holt,  J. L., 1984, “Measurements and Analysis of Heat FLux Data in a Turbine Stage: Part I—Description of Experimental Apparatus and Data Analysis,” ASME J. Turbomach., 106, pp. 229–240.
Epstein, A. H., Guenette, G. R., Norton, R. J. G., and Yuzhang, C., 1985, “Time Resolved Measurements of a Turbine Rotor Stationary Tip Casing Pressure and Heat.”
Kumada,  M., Iwata,  S., Obata,  M., and Watanabe,  O., 1994, “Tip Clearance Effects on Heat Transfer and Flow Turbine,” ASME J. Turbomach., 116, pp. 39–44.
Dunn, M. G., and Halderman, C. W., 2000 “Time-averaged Heat Flux for a Recessed Tip, Lip and Platform of a Transonic Turbine Blade,” ASME 2000-GT-0197.
Azad, G. S., Han, J., and Boyle, R. J., 2000, “Heat Transfer and Flow on the Squealer Tip of a Gas Turbine Blade,” ASME 2000-GT-195.
Ameri, A. A., and Bunker, R. S., 1999, “Heat Transfer and Flow on the First Stage Blade Tip of a Power Generation Gas Turbine: Part 2: Simulation Results,” ASME 99-GT-283.
Bunker, R. S., Baily, J. C., and Ameri, A. A., 1999, “Heat Transfer and Flow on the First Stage Blade Tip of a Power Generation Gas Turbine: Part 1: Experimental Results,” ASME 99-GT-169.
Mayle, R. E., and Metzger, D. E., 1982, “Heat Transfer at the Tip of Unshrouded Turbine Blade,” Proceedings of the 7th Int. Heat Transfer Conference, Vol. 3, pp. 87–92.
Metzger,  D. E., and Rued,  K., 1989, “The Influence of Turbine Clearance Gap Leakage on Flowpath Velocities and Heat Transfer, Part 1: Sink Flow Effects on Blade Pressure Sides,” ASME J. Turbomach., 111, pp. 284–292.
Shang Tonghuo, 1995, “Influence of Inlet Temperature Distortion on Turbine Heat Transfer,” Ph.D. thesis, Massachusetts Institute of Technology, Cambridge, MA.
Piccini,  E., Guo,  S. M., and Jones,  T. V., 2000, “The Development of a New Direct Heat Transfer Heat Flux Gage for Heat Transfer Facilities,” Meas. Sci. Technol., 11, pp. 342–349.

Figures

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The ILPF turbine module
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Typical stage inlet total temperatures
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Measured radial temperature profiles
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Inlet temperature (K) for OTDF 1 and OTDF 2
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Rotor casing static pressure (Pa)
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Rotor casing static pressure time histories; blade surfaces and transducer positions indicated by vertical lines
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Rotor casing instantaneous static pressure fluctuations (Pa)
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Rotor casing instantaneous static pressure random unsteadiness
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Adiabatic wall temperature (K)
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Rotor casing Nusselt number based on rotor chord Nuc
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Typical transonic NGV shock structure
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Rotor casing heat transfer rate random unsteadiness
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Rotor tip Nusselt number Nuc for conditions given in Table 1
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Rotor tip unsteady heat transfer rate
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Two-dimensional model of tip flow relative to the rotor
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Rotor casing Nusselt number Nuc for conditions given in Table 1
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Rotor casing heat transfer time histories
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Rotor casing instantaneous heat transfer rate fluctuations

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