Table of Contents Author Guidelines Submit a Manuscript
Mathematical Problems in Engineering
Volume 2014, Article ID 167193, 13 pages
http://dx.doi.org/10.1155/2014/167193
Research Article

Numerical Investigation of Partial Blockage Effect on Film Cooling Effectiveness

1College of Energy and Power Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
2Jiangsu Province Key Laboratory of Aerospace Power System, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
3Collaborative Innovation Center of Advanced Aero-Engine, Beijing 100191, China

Received 23 May 2014; Revised 11 July 2014; Accepted 13 July 2014; Published 27 August 2014

Academic Editor: Haochun Zhang

Copyright © 2014 Pan Cheng-xiong 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. N. Sundaram and K. A. Thole, “Effects of surface deposition, hole blockage, and thermal barrier coating spallation on vane endwall film cooling,” Journal of Turbomachinery, vol. 129, no. 3, pp. 599–607, 2007. View at Publisher · View at Google Scholar · View at Scopus
  2. J. Kim, M. G. Dunn, A. J. Baran, D. P. Wade, and E. L. Tremba, “Deposition of volcanic materials in the hot sections of two gas turbine engines,” Journal of Engineering for Gas Turbines and Power, vol. 115, no. 3, pp. 641–651, 1993. View at Publisher · View at Google Scholar · View at Scopus
  3. M. B. Jovanovic, H. C. de Lange, and A. A. van Steenhoven, “Influence of laser drilling imperfection on film cooling performances,” ASME Paper GT2005-68251, 2005.
  4. K. Thole, M. Gritsch, A. Schulz, and S. Wittig, “Flowfield measurements for film-cooling holes with expanded exits,” Journal of Turbomachinery, vol. 120, no. 2, pp. 327–336, 1998. View at Publisher · View at Google Scholar · View at Scopus
  5. S. V. Ekkad, D. Zapata, and J. C. Han, “Film effectiveness over a flat surface with air and CO2 injection through compound angle holes using a transient liquid crystal image method,” Journal of Turbomachinery, vol. 119, no. 3, pp. 587–593, 1997. View at Publisher · View at Google Scholar · View at Scopus
  6. H. Nasir, S. Acharya, and S. Ekkad, “Improved film cooling from cylindrical angled holes with triangular tabs: effect of tab orientations,” International Journal of Heat and Fluid Flow, vol. 24, no. 5, pp. 657–668, 2003. View at Publisher · View at Google Scholar · View at Scopus
  7. M. Gritsch, W. Colban, H. Schär, and K. Döbbeling, “Effect of hole geometry on the thermal performance of fan-shaped film cooling holes,” Journal of Turbomachinery, vol. 127, no. 4, pp. 718–725, 2005. View at Publisher · View at Google Scholar · View at Scopus
  8. R. S. Bunker, “A review of shaped hole turbine film-cooling technology,” Journal of Heat Transfer, vol. 127, no. 4, pp. 441–453, 2005. View at Publisher · View at Google Scholar · View at Scopus
  9. Y. Yao and J. Zhang, “Investigation on film cooling characteristics from a row of converging slot-holes on flat plate,” Science China Technological Sciences, vol. 54, no. 7, pp. 1793–1800, 2011. View at Publisher · View at Google Scholar · View at Scopus
  10. Y. Yao, J. Zhang, and L. Wang, “Film cooling on a gas turbine blade suction side with converging slot-hole,” International Journal of Thermal Sciences, vol. 65, pp. 267–279, 2013. View at Publisher · View at Google Scholar · View at Scopus
  11. Y. Yao, J. Z. Zhang, and X. M. Tan, “Numerical study on film cooling from converging slot-hole on a gas turbine blade suction side,” International Communications in Heat and Mass Transfer, vol. 52, pp. 61–72, 2014. View at Google Scholar
  12. R. S. Bunker, “Effect of partial coating blockage on film cooling effectiveness,” ASME Paper 2000-GT-0244, 2000.
  13. M. B. Jovanović, H. C. de Lange, and A. A. van Steenhoven, “Influence of hole imperfection on jet cross flow interaction,” International Journal of Heat and Fluid Flow, vol. 27, no. 1, pp. 42–53, 2006. View at Publisher · View at Google Scholar · View at Scopus
  14. M. B. Jovanović, H. C. de Lange, and A. A. van Steenhoven, “Effect of hole imperfection on adiabatic film cooling effectiveness,” International Journal of Heat and Fluid Flow, vol. 29, no. 2, pp. 377–386, 2008. View at Publisher · View at Google Scholar · View at Scopus
  15. P. Demling and D. G. Bogard, “The effects of obstructions on film cooling effectiveness on the suction side of a gas turbine vane,” ASME Paper GT2006-90577, 2006. View at Google Scholar
  16. W. S. Walsh, K. A. Thole, and C. Joe, “Effects of sand ingestion on the blockage of film-cooling holes,” ASME Paper GT 2006-90067, 2006. View at Google Scholar
  17. N. D. Cardwell, K. A. Thole, and S. W. Burd, “Investigation of sand blocking within impingement and film-cooling holes,” Journal of Turbomachinery, vol. 132, no. 2, Article ID 021020, 2010. View at Publisher · View at Google Scholar · View at Scopus
  18. D. K. Walters and J. H. Leylek, “Impact of film-cooling jets on turbine aerodynamic losses,” Journal of Turbomachinery, vol. 122, no. 3, pp. 537–545, 2000. View at Publisher · View at Google Scholar · View at Scopus
  19. M. Silieti, A. J. Kassab, and E. Divo, “Film cooling effectiveness: comparison of adiabatic and conjugate heat transfer CFD models,” International Journal of Thermal Sciences, vol. 48, no. 12, pp. 2237–2248, 2009. View at Publisher · View at Google Scholar · View at Scopus
  20. M. J. Ely and B. A. Jubran, “A numerical evaluation on the effect of sister holes on film cooling effectiveness and the surrounding flow field,” Heat and Mass Transfer, vol. 45, no. 11, pp. 1435–1446, 2009. View at Publisher · View at Google Scholar · View at Scopus
  21. K. Harrison and D. Bogard, “Comparison of RANS turbulence models for prediction of film cooling performance,” ASME Paper GT2008-50366, 2008. View at Google Scholar
  22. C. Yang and J. Zhang, “Experimental investigation on film cooling characteristics from a row of holes with ridge-shaped tabs,” Experimental Thermal and Fluid Science, vol. 37, pp. 113–120, 2012. View at Publisher · View at Google Scholar · View at Scopus