A method for correlating the influence of external crossflow on the discharge coefficients of film cooling holes

Proceedings of the ASME Turbo Expo

Volumn 3, Issue , 2000, Pages

  Rowbury, D A ^a   Oldfield, M L G ^b   Lock, G D ^c  

^a ROLLS ROYCE PLC   (United Kingdom)

^b UNIVERSITY OF OXFORD   (United Kingdom)

^c University of Bath   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

AERODYNAMICS; AIRCRAFT ENGINES; COOLANTS; ENGINES; FORECASTING; GAS TURBINES; HEAT TRANSFER; MACH NUMBER; REYNOLDS NUMBER;

BLOWING PARAMETERS; DIMENSIONLESS PARAMETERS; DISCHARGE COEFFICIENTS; FILM COOLING HOLE; FREESTREAM MACH NUMBER; GAS TURBINE DESIGN; LOSS COEFFICIENT METHOD; NOZZLE GUIDE VANES;

COOLING;

EID: 84955061940     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1115/2000-GT-0294     Document Type: Conference Paper

References (27)

1. Adkins, R.C. and Gueroui, D., 1986, "An Improved Method for Accurate Prediction of Mass Flows Through Combustor Liner Holes", ASME Journal of Engineering for Gas Turbines and Power, Vol. 108, pp. 491-497.
2. Andrews, G.E. and Mkpadi, M.C., 1983, "Full Coverage Discrete Hole Wall Cooling: Discharge Coefficients", ASME Paper No. 83-GT-79, International Gas Turbine Conference and Exhibit, Phoenix, Arizona, March 1983.
3. Burd, S.W. and Simon, T.W., 1997, "The Influence of Coolant Supply Geometry an Film Coolant Exit Flow and Surface Adiabatic Effectiveness", ASME Paper No. 97-GT-25, International Gas Turbine and Aero-Engine Congress & Exhibition, Orlando, Florida, June 1997.
4. Burd, S.W. and Simon, T.W., 1999, "Measurements of Discharge Coefficients in Film Cooling", ASME Journal of Turbomachinery, Vol. 121, No. 2, p 243-248.
5. Foster, N.W. and Lampard, D., 1980, "The Flow and Film Cooling Effectiveness Following Injection through a Row of Holes", ASME Journal of Engineering for Power, Vol. 102, No. 3, pp. 584-588.
6. Gritsch, M., Schulz, A., and Wittig, S., 1998a, "Discharge Coefficient Measurements of Film-Cooling Holes with Expanded Exits", ASME Journal of Turbomachinery, Vol. 120, pp. 560-567.
7. Gritsch, M., Schulz, A., and Wittig, S., 1998b, "Method for Correlating Discharge Coefficients of Film-Cooling Holes", American Institute of Aeronautics and Astronautics (AIAA) Journal, Vol. 36, No.6, pp. 976-980.
8. Hay, N., Khaldi, A. and Lampard, D., 1987, "Effect of Crossflows on the Discharge Coefficients of Film Cooling Holes with Rounded Entries or Exits", Proceedings of the 2nd ASME-JSME Thermal Engineering Joint Conference, Honolulu, Hawaii, Vol. 3, pp. 369-374.
9. Hay, N. and Lampard, D., 1995, "The Discharge Coefficient of Flared Film Cooling Holes", ASME Paper No. 95-GT-15, International Gas Turbine and Aero-Engine Congress and Exposition, Houston, Texas, June 1995.
10. Hay, N. and Lampard, D., 1998, "Discharge Coefficients of Turbine Cooling Holes: A Review", ASME Journal of Turbomachinery, Vol. 120, pp. 314-390.
11. Hay, N., Lampard, D. and Khaldi, A., 1994, "The Coefficient of Discharge of 30o Inclined Film Cooling Holes with Rounded Entries or Exits", ASME Paper No. 94-GT-180, International Gas Turbine and Aero-Engine Congress and Exposition, The Hague, Netherlands, June 1994.
12. Lichtarowicz, A., Duggins, R.K. and Markland, E., 1965, "Discharge Coefficients for Incompressible Non-Cavitating Flow Through Long Orifices", Journal of Mechanical Engineering Science, Vol. 7, No. 2, pp. 210-219.
13. Martinez-Botas, R.F., Main, A.J., Lock, G.D. and Jones, T.V., 1993, "A Cold Heat Transfer Tunnel for Gas Turbine Research on an Annular Cascade", ASME Paper No. 93-GT-248, International Gas Turbine and Aero-Engine Congress and Exposition, Cincinnati, Ohio, May 1993.
14. McGreehan, W.F. and Schotsch, M.J., 1988, "Flow Characteristics of Long Orifices with Rotation and Corner Radiusing", ASME Journal of Turbomachinery, Vol. 110, pp. 213-217.
15. Parker, D.M. and Kercher, D.M., 1991, "An Enhanced Method to Compute the Compressible Discharge Coefficient of Thin and Long Orifices with Inlet Corner Radiusing", ASME Winter Annual Meeting (Heat Transfer in Gas Turbines), Heat Transfer Division, Vol. 188, pp.53-63.
16. Rogers, T. and Hersh, A.S., 1975, "The Effect of Grazing Flow on the Steady State Resistance of Square-Edged Orifices", American Institute of Aeronautics and Astronautics (AIAA) 2nd Aero-Acoustics Conference, Paper No. 75-493.
17. Rowbury, D.A., Oldfield, M.L.G. and Lock, G.D., 1997, "Engine-Representative Discharge Coefficients Measured in an Annular Nozzle Guide Vane Cascade", ASME Paper No. 97-GT-99, International Gas Turbine and Aero-Engine Congress & Exhibition, Orlando, Florida, June 1997.
18. Rowbury, D.A., Oldfield, M.L.G., Lock, G.D., and Dancer, S.N., 1998, "Scaling of Film Cooling Discharge Coefficient Measurements to Engine Conditions", ASME Paper No. 98-GT-79, International Gas Turbine and Aero-Engine Congress & Exhibition, Stockholm, Sweden, June 1998.
19. Rowbury, D.A., Oldfield, M.L.G. and Lock, G.D., 2000, "Large-Scale Testing to Validate the Influence of External Crossflow on the Discharge Coefficients of Film Cooling Holes", ASME Paper No. 2000-GT-0293, International Gas Turbine and Aero-Engine Congress & Exhibition, Munich, Germany, May 2000.
20. Sasaki, M., Takahara, K., Sakata, K. and Kumagai, T., 1976, "Study on Film Cooling of Turbine Blades: Experiments on Film Cooling with Injection Through Holes near the Leading Edge", Bulletin of JSME, Vol. 19, No. 137, pp. 1344-1352.
21. Schoder, E.W., and Dawson, F.M., 1934, "Hydraulics", McGraw-Hill, New York, p.408.
22. Tay Chu, Brown, A. and Garrett, S., 1985, "Discharge Coefficients of Impingement and Film Cooling Holes", ASME Paper No. 85-GT-81, International Gas Turbine Conference and Exhibit, Houston, Texas, March 1985.
23. Thole, K.A., Gritsch, M., Schulz, A., and Wittig, S., 1997, "Effect of a Crossflow at the Entrance to a Film-Cooling Hole", ASME Journal of Fluids Engineering, Vol. 119, pp. 533-541.
24. Thole, K.A., Gritsch, M., Schulz, A., and Wittig, S., 1998, "Flowfield Measurements for Film-Cooling Holes with Expanded Exits", ASME Journal of Turbomachinery, Vol. 120, pp. 327-336.
25. Tillman, E.S., and Jen, H.F., 1984, "Cooling Airflow Studies at the Leading Edge of a Film-Cooled Airfoil", ASME Journal of Engineering for Gas Turbines and Power, Vol. 106, pp. 214-221.
26. Walters, D.K., and Leylek, J.H., 2000, "A Detailed Analysis of Film-Cooling Physics, Part 1: Streamwise Injection with Cylindrical Holes", ASME Journal of Turbomachinery, Vol. 122, pp. 102-112.
27. Wittig, S., Schulz, A., Gritsch, M., and Thole, K.A., 1996, "Transonic Film-Cooling Investigations: Effects of Hole Shapes and Orientations", ASME Paper No. 96-GT-222, International Gas Turbine and Aero-Engine Congress & Exhibition, Birmingham, UK, June 1996.