Table of Contents Author Guidelines Submit a Manuscript
International Journal of Rotating Machinery
Volume 2015 (2015), Article ID 315036, 13 pages
http://dx.doi.org/10.1155/2015/315036
Research Article

Conjugate Heat Transfer Study of Combined Impingement and Showerhead Film Cooling Near NGV Leading Edge

Thermal Turbomachines Laboratory, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai 600036, India

Received 30 May 2014; Revised 20 September 2014; Accepted 4 October 2014

Academic Editor: Giovanni Carlomagno

Copyright © 2015 Dileep Chandran and Bhamidi Prasad. 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. A. B. Mehendale and H. Je-Chin, “Reynolds number effect on leading edge film effectiveness and heat transfer coefficient,” International Journal of Heat and Mass Transfer, vol. 36, no. 15, pp. 3723–3730, 1993. View at Publisher · View at Google Scholar · View at Scopus
  2. S. Ou and R. Rivir, “90° skew leading edge film cooling effectiveness, heat transfer, and discharge coefficients for cylindrical film holes at high free stream turbulence,” in Proceedings of the RTO AVT Symposium on “Advanced Flow Management: Part A—Vortex Flows and High Angle of Attack for Military Vehicles, RTO-MP-069(I), Loen, Norway, May 2001.
  3. S. Ou and R. B. Rivir, “Leading edge film cooling heat transfer with high free stream turbulence using a transient liquid crystal image method,” International Journal of Heat and Fluid Flow, vol. 22, no. 6, pp. 614–623, 2001. View at Publisher · View at Google Scholar · View at Scopus
  4. K. Funazaki, H. Kawabata, D. Takahashi, and Y. Okita, “Experimental and numerical studies on leading edge film cooling performance: effects of hole exit shape and freestream turbulence,” in Proceedings of ASME Turbine Technical Conference and Exposition, GT2012-68217, Copenhagen, Denmark, 2012.
  5. H. Reiss and A. Bölcs, “Experimental study of showerhead cooling on a cylinder comparing several configurations using cylindrical and shaped holes,” Journal of Turbomachinery, vol. 122, no. 1, pp. 161–169, 2000. View at Publisher · View at Google Scholar · View at Scopus
  6. W. D. York and J. H. Leylek, “Leading-edge film-colling physics. Part III. Diffused hole effectiveness,” ASME Journal of Turbomachinery, vol. 125, no. 2, pp. 252–259, 2003. View at Publisher · View at Google Scholar · View at Scopus
  7. Y. Lu, D. Allison, and S. V. Ekkad, “Turbine blade showerhead film cooling: Influence of hole angle and shaping,” International Journal of Heat and Fluid Flow, vol. 28, no. 5, pp. 922–931, 2007. View at Publisher · View at Google Scholar · View at Scopus
  8. A. Kassab, E. Divo, J. Heidmann, E. Steinthorsson, and F. Rodriguez, “BEM/FVM conjugate heat transfer analysis of a three-dimensional film cooled turbine blade,” International Journal of Numerical Methods for Heat and Fluid Flow, vol. 13, no. 5-6, pp. 581–610, 2003. View at Publisher · View at Google Scholar · View at Scopus
  9. L. Zhao and T. Wang, “An investigation of treating adiabatic wall temperature as the driving temperature in film cooling studies,” ASME Journal of Turbomachinery, vol. 134, Article ID 061032, pp. 1–9, 2012. View at Google Scholar
  10. F. Montomoli, M. Massini, H. Yang, and J. C. Han, “The benefit of high-conductivity materials in film cooled turbine nozzles,” International Journal of Heat and Fluid Flow, vol. 34, pp. 107–116, 2012. View at Publisher · View at Google Scholar · View at Scopus
  11. N. Moritz, K. Kusterer, D. Bohn, T. Sugimoto, R. Tanaka, and T. Taniguchi, “Conjugate calculation of a film-cooled blade for improvement of the leading edge cooling configuration,” Propulsion and Power Research, vol. 2, pp. 1–9, 2013. View at Google Scholar
  12. M. L. Nathan, T. E. Dyson, D. G. Bogard, and S. D. Bradshaw, “Adiabatic and overall effectiveness for the showerhead film cooling of a turbine vane,” in Proceedings of the ASME Turbo Expo : Turbine Technical Conference and Exposition (GT '12), pp. 1537–1547, Copenhagen, Denmark, June 2012. View at Publisher · View at Google Scholar · View at Scopus
  13. R. K. Panda and B. V. S. S. S. Prasad, “Conjugate heat transfer from a flat plate with combined impingement and film cooling,” in Proceedings of the ASME Turbo Expo: Turbine Technical Conference and Exposition (GT '12), pp. 347–356, Copenhagen, Denmark, June 2012. View at Publisher · View at Google Scholar · View at Scopus
  14. M. Vollmer and K. P. Mollmann, Infrared Thermal Imaging: Fundamentals, Research and Applications, Wiley-VCH, 2010.