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International Journal of Rotating Machinery
Volume 2006 (2006), Article ID 17079, 15 pages

Blade Tip Leakage Flow and Heat Transfer with Pressure-Side Winglet

1Turbine Innovation and Energy Research (TIER) Center, Louisiana State University, Baton Rouge, LA, USA
2Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, UP 208 016, India
3General Electric Global Research, Niskayuna, NY 12309, USA
4General Electric Aircraft Engines, Cincinnati, OH 45215, USA

Received 11 October 2005; Accepted 20 February 2006

Copyright © 2006 A. K. Saha et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Linked References

  1. R. E. Mayle and D. E. Metzger, “Heat transfer at the tip of an unshrouded turbine blade,” in Proceedings of the 7th International Heat Transfer Conference, pp. 87–92, Munich, Germany, September 1982.
  2. D. E. Metzger and K. Rued, “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 Journal of Turbomachinery, vol. 111, no. 3, pp. 284–292, 1989. View at Google Scholar
  3. T. C. Booth, P. R. Dodge, and H. K. Hepworth, “Rotor-tip leakage part 1–basic methodology,” ASME Journal of Engineering for Gas Turbines and Power, vol. 104, pp. 154–161, 1982. View at Google Scholar
  4. C. H. Sieverding, “Recent progress in the understanding of basic aspects of secondary flows in turbine blade passages,” ASME Journal of Turbomachinery, vol. 114, pp. 248–257, 1985. View at Google Scholar
  5. J. P. Bindon, “Pressure distributions in the tip clearance region of an unshrouded axial turbine as affecting the problem of tip burnout,” in Proceedings of International Gas Turbine Conference, Anaheim, Calif, USA, June 1987, 87-GT-230.
  6. J. Moore and J. S. Tilton, “Tip leakage flow in a linear turbine cascade,” ASME Journal of Turbomachinery, vol. 110, no. 1, pp. 18–26, 1988. View at Google Scholar
  7. R. Bunker, “A review of turbine blade tip heat transfer,” Annals of the New York Academy of Sciences, vol. 934, pp. 64–79, 2001. View at Google Scholar
  8. F. J. G. Heyes, H. P. Hodson, and G. M. Dailey, “The Effect of Blade Tip Geometry on the Tip Leakage Flow in Axial Turbine Cascade,” ASME, 91-GT-135, 1991.
  9. T. T. Yang and T. E. Diller, “Heat Transfer and Flow for a Grooved Turbine Blade Tip in a Transonic Cascade,” ASME 95-WA/HT-29, 1995.
  10. A. A. Ameri, E. Steinthorsson, and L. D. Rigby, “Effect of Squealer Tip on Rotor Heat Transfer and Efficiency,” ASME 99-GT-169, 1997.
  11. A. A. Ameri and R. Bunker, “Heat transfer and flow on the first-stage blade tip of a power generation gas turbine: part 2—simulation results,” ASME Journal of Turbomachinery , vol. 122, no. 2, pp. 272–277, 2000. View at Google Scholar
  12. R. Bunker, J. C. Bailey, and A. A. Ameri, “Heat Transfer and Flow on the First Stage Blade Tip of a Power Generation Gas Turbine: Part 1: Experimental Results,” ASME 99-GT-169, 1999.
  13. H. Yang, S. Acharya, S. Ekkad, C. Prakash, and R. Bunker, “Flow and Heat Transfer Predictions for a Flat-Tip Turbine Blade,” ASME GT-2002-30190, 2002.
  14. H. Yang, S. Acharya, S. Ekkad, C. Prakash, and R. Bunker, “Flow and Heat Transfer Predictions for a Squealer-Tip Turbine Blade,” ASME 2002-GT-30193, 2002.
  15. G. M. Azad, J. C. Han, and R. Boyle, “Heat Transfer and Pressure Distribution on the Squealer Tip of a Gas Turbine Blade Tip,” ASME 2000-GT-0194, 2000.
  16. N. W. Harvey and K. Ramsdan, “A Computational Study of a Novel Turbine Rotor Partial Shroud,” ASME paper 2000-GT-668, 2000.
  17. D. Dey and C. Camci, “Aerodynamic Tip Desensitization of an Axial Turbine Rotor Using Tip Platform Extensions,” ASME Paper 2001-GT-0484, 2001.
  18. J. P. Bindon and G. Morphis, “Development of axial turbine leakage loss for two profiled tip geometries using linear cascade data,” ASME Journal of Turbomachinery, vol. 114, no. 1, pp. 198–203, 1992. View at Google Scholar
  19. J. Tallman and B. Lakshminarayana, “Methods of Desensitizating Tip Clearance Effects in Turbines,” ASME GT-2001-0486, 2001.
  20. G. T. Chen, W. N. Dawes, and H. P. Hodson, “A Numerical and Experimental Investigation of Turbine Tip Gap Flow,” AIAA Paper 93-2253, 1993.
  21. J. B. Staubach, O. P. Sharma, and G. M. Stetson, “Reduction of tip clearance losses through 3D air foil designs,” in Proceedings of ASME/IGTI Conference, Singapore, 1996.
  22. M. Papa, R. J. Goldstein, and F. Gori, “Effects of tip geometry and tip clearance on the mass/heat transfer from a large-scale gas turbine blade,” ASME Journal of Turbomachinery, vol. 125, no. 1, pp. 90–96, 2003. View at Google Scholar
  23. P. Jin and R. J. Goldstein, “Local mass/heat transfer on turbine blade near-tip surfaces,” ASME Journal of Turbomachinery, vol. 125, no. 3, pp. 521–528, 2003. View at Google Scholar