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TECHNICAL NOTES

Detailed Heat Transfer Coefficient Distributions on a Large-Scale Gas Turbine Blade Tip

[+] Author and Article Information
Shuye Teng, Je-Chin Han, G. M. S. Azad

Turbine Heat Transfer Laboratory, Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123

J. Heat Transfer 123(4), 803-809 (Dec 05, 2000) (7 pages) doi:10.1115/1.1373655 History: Received June 27, 2000; Revised December 05, 2000
Copyright © 2001 by ASME
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References

Bindon, J. P., and Morphus, G., 1988, “The Effect of Relative Motion, Blade Edge Radius and Gap Size on the Blade Tip Pressure Distribution in An Annular Turbine Cascade With Clearance,” ASME Paper 88-GT-256.
Bindon,  J. P., 1989, “The Measurement and Formation of Tip Clearance Loss,” ASME J. Turbomach., 111, pp. 258–263.
Moore,  J., Moore,  J. G., Henry,  G. S., and Chaudhury,  U., 1989, “Flow and Heat Transfer in Turbine Tip Gaps,” ASME J. Turbomach., 111, pp. 301–309.
Yamamoto,  A., 1989, “Endwall Flow/Loss Mechanisms in a Linear Turbine Cascade With Blade Tip Clearance,” ASME J. Turbomach., 111, pp. 264–275.
Yaras, M. I., and Sjolander, S. A., 1991, “Effects of Simulated Rotation on Tip Leakage in a Planar Cascade of Turbine Blades: Part I—Tip Gap Flow,” ASME Paper 91-GT-127.
Sjolander,  S. A., and Cao,  D., 1995, “Measurements of the Flow in an Idealized Turbine Tip Gap,” ASME J. Turbomach., 117, pp. 578–584.
Kaiser, I., and Bindon, J. P., 1997, “The Effect of Tip Clearance on the Development of Loss Behind a Rotor and a Subsequent Nozzle,” ASME Paper 97-GT-53.
Mayle, R. E., and Metzger, D. E., 1982, “Heat Transfer at the Tip of An Unshrouded Turbine Blade,” Proc. Seventh Int. Heat Transfer Conf., Hemisphere Pub., New York, pp. 87–92.
Metzger,  D. E., and Rued,  K., 1989, “The Influence of Turbine Clearance Gap Leakage on Passage Velocity and Heat Transfer Near Blade Tips: Part I—Sink Flow Effects on Blade Pressure Side,” ASME J. Turbomach., 111, pp. 284–292.
Rued,  K., and Metzger,  D. E., 1989, “The Influence of Turbine Clearance Gap Leakage on Passage Velocity and Heat Transfer Near Blade Tips: Part II—Source Flow Effects on Blade Suction Side,” ASME J. Turbomach., 111, pp. 293–300.
Chyu,  M. K., Moon,  H. K., and Metzger,  D. E., 1989, “Heat Transfer in the Tip Region of Grooved Turbine Blades,” ASME J. Turbomach., 111, pp. 131–138.
Metzger,  D. E., Bunker,  R. S., and Chyu,  M. K., 1989, “Cavity Heat Transfer on a Transverse Grooved Wall in a Narrow Flow Channel,” ASME J. Heat Transfer, 111, pp. 73–39.
Metzger,  D. E., Dunn,  M. G., and Hah,  C., 1991, “Turbine Tip and Shroud Heat Transfer,” ASME J. Turbomach., 113, pp. 502–507.
Ameri, A. A., and Steinthorsson, E., 1995, “Prediction of Unshrouded Rotor Blade Tip Heat Transfer,” ASME Paper 95-GT-142.
Ameri, A. A., and Steinthorsson, E., 1996, “Analysis of Gas Turbine Rotor Blade Tip and Shroud Heat Transfer,” ASME Paper 96-GT-189.
Ameri, A. A., Steinthorsson, E., and Rigby, L. D., 1997, “Effect of Squealer Tip on Rotor Heat Transfer and Efficiency,” ASME Paper 97-GT-128.
Ameri, A. A., Steinthorsson, E., and Rigby, L. D., 1998, “Effect of Tip Clearance and Casing Recess on Heat Transfer and Stage Efficiency in Axial Turbines,” ASME Paper 98-GT-369.
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 Paper 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 Paper 99-GT-169.
Yang, T. T., and Diller, T. E., 1995, “Heat Transfer and Flow for a Grooved Turbine Blade Tip in a Transonic Cascade,” ASME Paper 95-WA/HT-29.
Azad,  G. M. S., Han,  J. C., Teng,  S., and Boyle,  R., 2000, “Heat Transfer and Pressure Distributions on a Gas Turbine Blade Tip,” ASME J. Turbomach., 122, pp. 717–724.
Azad,  G. M. S., Han,  J. C., and Boyle,  R., 2000, “Heat Transfer and Pressure Distributions on the Squealer Tip of a Gas Turbine Blade,” ASME J. Turbomach., 122, pp. 725–732.
Ou,  S., Han,  J. C., Mehendale,  A. G., and Lee,  C. P., 1994, “Unsteady Wake Over a Linear Turbine Blade Cascade with air and CO2 Film Injection: Part I—Effect on Heat Transfer Coefficients,” ASME J. Turbomach., 116, pp. 721–729.
Du,  H., Han,  J. C., and Ekkard,  S. V., 1998, “Effect of Unsteady Wake on Detailed Heat Transfer Coefficient and Film Effectiveness Distributions for a Gas Turbine Blade,” ASME J. Turbomach., 120, pp. 808–817.
Vedula, R. J., and Metzger, D. E., 1991, “A Method for the Simultaneous Determination of Local Effectiveness and Heat Transfer Distributions in Three-Temperature Convection Situations,” ASME Paper No. 91-GT-345.
Ireland,  P. T., and Jones,  T. V., 1987, “The Response Time of a Surface Thermometer Employing Encapsulated Thermochromic Liquid Crystals,” J. Phys. E, 10, pp. 1195–1199.
Teng,  S., Sohn,  D. K., and Han,  J. C., 1999, “Unsteady Wake Effect of Film Temperature and Effectiveness Distributions for a Gas Turbine Blade,” ASME J. Turbomach., 122, pp. 340–347.
Kline,  S. J., and McClintock,  F. A., 1953, “Describing Uncertainties in Single Sample Experiments,” Mech. Eng. (Am. Soc. Mech. Eng.), 75, pp. 3–8.

Figures

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Five blade cascade with the tip of the central blade coated with liquid crystal and viewed by a RGB camera
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Schematic view of blade tip heat transfer setup (unit: cm)
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Pressure tap locations on blade and shroud (unit: cm)
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Blade tip heater instrumentation (unit: cm)
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Static pressure distribution (total pressure/local static pressure) at the blade mid-span portion
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Static pressure distributions on the shroud surface opposite to the blade tip surface for three different tip gaps
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Detailed Nusselt number distributions without unsteady wake effect (S=0)
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Detailed Nusselt number distributions without unsteady wake effect (S=0.1)
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Blade tip averaged Nusselt number distribution based on local blade thickness

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