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TECHNICAL PAPERS

Film Cooling Discharge Coefficient Measurements in a Turbulated Passage With Internal Crossflow

[+] Author and Article Information
Ronald S. Bunker, Jeremy C. Bailey

General Electric Company, Research & Development Center, Niskayuna, NY 12309

J. Turbomach 123(4), 774-780 (Feb 01, 2001) (7 pages) doi:10.1115/1.1397307 History: Received February 01, 2001
Copyright © 2001 by ASME
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References

Hay,  N., and Lampard,  D., 1998, “Discharge Coefficient of Turbine Cooling Holes: A Review,” ASME J. Turbomach., 120, pp. 314–319.
Hay, N., and Lampard, D., 1995, “The Discharge Coefficient of Flared Film Cooling Holes,” ASME Paper No. 95-GT-15, IGTI Turbo Expo. Houston.
Hay,  N., Lampard,  D., and Benmansour,  S., 1983, “Effect of Crossflows on the Discharge Coefficient of Film Cooling Holes,” ASME J. Eng. Power, 105, pp. 243–248.
Hay, N., Khaldi, A., and Lampard, D., 1987, “Effect of Crossflows on the Coefficient of Discharge of Film Cooling Holes with Rounded Entries or Exits,” presented at the 2nd ASME/JSME Thermal Engineering Conference, HI.
Hay,  N., Henshall,  S. E., and Manning,  A., 1994, “Discharge Coefficients of Holes Angled to the Flow Direction,” ASME J. Turbomach., 116, pp. 92–96.
Hay, N., Lampard, D., and Khaldi, A., 1994, “The Coefficient of Discharge of 30° Inclined Film Cooling Holes With Rounded Entries or Exits,” ASME Paper No. 94-GT-180.
Burd,  S. W., and Simon,  T. W., 1999, “Measurements of Discharge Coefficients in Film Cooling,” ASME J. Turbomach., 121, pp. 243–248.
Thole,  K. A., Gritsch,  M., Schulz,  A., and Wittig,  S., 1997, “Effect of a Crossflow at the Entrance to a Film-Cooling Hole,” ASME J. Fluids Eng., 119, pp. 533–540.
Gritsch,  M., Schulz,  A., and Wittig,  S., 1998, “Discharge Coefficient Measurements of Film-Cooling Holes With Expanded Exits,” ASME J. Turbomach., 120, pp. 557–563.
Gritsch,  M., Saumweber,  C., Schulz,  A., Wittig,  S., and Sharp,  E., 2000, “Effect of Internal Coolant Crossflow Orientation on the Discharge Coefficient of Shaped Film-Cooling Holes,” ASME J. Turbomach., 122, pp. 146–152.
Ekkad,  S. V., Huang,  Y., and Han,  J. C., 1998, “Detailed Heat Transfer Distributions in Two-Pass Square Channels With Rib Turbulators and Bleed Holes,” Int. J. Heat Mass Transf., 41, pp. 3781–3791.
Shen,  J. R., Wang,  Z., Ireland,  P. T., Jones,  T. V., and Byerley,  A. R., 1996, “Heat Transfer Enhancement Within a Turbine Blade Cooling Passage Using Ribs and Combinations of Ribs With Film Cooling Holes,” ASME J. Turbomach., 118, pp. 428–434.
Thurman,  D., and Poinsatte,  P., 2001, “Experimental Heat Transfer and Bulk Air Temperature Measurements for a Multipass Internal Cooling Model With Ribs and Bleed,” ASME J. Turbomach., 123, pp. 90–97.
Wilfert,  G., and Wolff,  S., 2000, “Influence of Internal Flow on Film Cooling Effectiveness,” ASME J. Turbomach., 122, pp. 327–333.
Seban,  R. A., 1964, “Heat Transfer to the Turbulent Separated Flow of Air Downstream of a Step in the Surface of a Plate,” ASME J. Heat Transfer, 86, pp. 259–264.
Seban, R. A., Emery, A., and Levy, A., 1959, “Heat Transfer to Separated and Reattached Subsonic Turbulent Flows Obtained Downstream of a Surface Step,” J. Aerosp. Sci., pp. 809–814.
Orlov,  V. V., Ovchinnikov,  V. V., Mukhina,  N. N., and Karsten,  V. M., 1984, “Investigation of Turbulence and Heat Transfer in a Separating Flow Behind a Step,” Heat Transfer-Sov. Res., 16, No. 2, pp. 58–68.
Luzhanskiy,  B. Ye., and Solntsev,  V. P., 1971, “Experimental Study of Heat Transfer in the Zone of Turbulent Boundary Layer Separation Ahead of a Step,” Heat Transfer-Sov. Res., 3, No. 6, pp. 200–206.
Seban,  R. A., 1965, “Heat Transfer and Flow in a Shallow Rectangular Cavity With Subsonic Turbulent Air Flow,” Int. J. Heat Mass Transf., 8, pp. 1353–1368.
Yamamoto,  H., Seki,  N., and Fukusako,  S., 1979, “Forced Convection Heat Transfer on Heated Bottom Surface of a Cavity,” ASME J. Heat Transfer, 101, pp. 475–479.
Rau,  G., Cakan,  M., Moeller,  D., and Arts,  T., 1998, “The Effect of Periodic Ribs on the Local Aerodynamic and Heat Transfer Performance of a Straight Cooling Channel,” ASME J. Turbomach., 120, pp. 368–375.
Kline,  S. J., and McClintock,  F. A., 1953, “Describing Uncertainties in Single Sample Experiments,” Mech. Eng. (Am. Soc. Mech. Eng.), 75, Jan., pp. 3–8.
Lin, Y.-L., and Shih, T. I.-P., 1998, “Computations of Discrete-Hole Film Cooling Over Flat and Convex Surfaces,” ASME Paper No. 98-GT-436.
Kohli, A., and Thole, K. A., 1998, “Entrance Effects on Diffused Film-Cooling Holes,” ASME Paper No. 98-GT-402.
Burd, S. W., and Simon, T. W., 1997, “The Influence of Coolant Supply Geometry on Film Coolant Exit Flow and Surface Adiabatic Effectiveness,” ASME Paper No. 97-GT-25.

Figures

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Schematic of idealized flows near transverse turbulators
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Turbulated channel geometry (dimensions in centimeters)
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Orientation and relative location of film hole to turbulators (arrows indicate reversible flow direction)
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Nonturbulated (smooth) channel film hole discharge coefficients
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Parallel flow (smooth) discharge coefficient: comparison with Gritsch et al. 10
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Perpendicular flow (smooth) discharge coefficient: comparison with Gritsch et al. 10
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Counterflow (smooth) discharge coefficient: comparison with Hay et al. 5
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Effect of turbulated wall with film hole placed midway between turbulators
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Discharge coefficients for film holes located just aft of turbulator
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Discharge coefficients for film holes located just before turbulator

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