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TECHNICAL PAPERS: Forced Convection

Heat Transfer Between Blockages With Holes in a Rectangular Channel

[+] Author and Article Information
S. W. Moon, S. C. Lau

Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123

J. Heat Transfer 125(4), 587-594 (Jul 17, 2003) (8 pages) doi:10.1115/1.1576812 History: Received August 15, 2002; Revised March 07, 2003; Online July 17, 2003
Copyright © 2003 by ASME
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References

Han, J. C., Dutta, S., and Ekkad, S. V., 2001, Gas Turbine Heat Transfer and Cooling Technology, Taylor and Francis, New York, NY.
Lau, S. C., 2002, “Enhanced Internal Cooling of Gas Turbine Airfoils,” in Heat Transfer in Gas Turbines, B. Sundén, and M. Faghri, eds., WIT Press, Southampton, UK.
Ekkad,  S. V., Pamula,  G., and Acharya,  S., 2000, “Influence of Crossflow-Induced Swirl and Impingement on Heat Transfer in an Internal Coolant Passage of a Turbine Airfoil,” ASME J. Heat Transfer, 122, pp. 587–597.
Pamula, G., Ekkad, S. V., and Acharya, S., 2000, “Influence of Crossflow-Induced Swirl and Impingement on Heat Transfer in a Two-Pass Channel Connected by Two Rows of Holes,” ASME Paper No. 2000-GT-0235.
Kukreja,  R. T., and Lau,  S. C., 1998, “Distributions of Local Heat Transfer Coefficient on Surfaces With Solid and Perforated Ribs,” J. Enhanced Heat Transfer, 5(1), pp. 9–21.
Buchlin,  J.-M., 2002, “Convective Heat Transfer in a Channel With Perforated Ribs,” Int. J. Therm. Sci., 41, pp. 332–340.
Hwang,  J. J., Lia,  T. Y., and Liou,  T. M., 1998, “Effect of Fence Thickness on Pressure Drop and Heat Transfer in a Perforated-Fenced Channel,” Int. J. Heat Mass Transfer, 41, pp. 811–816.
Liou,  T. M., and Chen,  S. H., 1998, “Turbulent Heat and Fluid Flow in a Passage Distributed by Detached Perforated Ribs of Different Heights,” Int. J. Heat Mass Transfer, 41, pp. 1795–1806.
Incropera, F. P., and DeWitt, D. P., 2002, Fundamentals of Heat and Mass Transfer, 5th ed., John Wiley & Sons, New York, NY.
Coleman, H. W., and Steele, W. G., 1989, Experimentation and Uncertainty Analysis for Engineers, John Wiley & Sons, New York, NY.

Figures

Grahic Jump Location
Schematic of test apparatus for average heat transfer measurements
Grahic Jump Location
Schematics of test sections for average and local heat transfer measurements (not to scale)
Grahic Jump Location
Local steady heat transfer distributions (NuDh/NuDh,0) on heated bottom wall between two blockages with holes in a rectangular channel for nine different hole arrays. Arrows show direction of main flow.
Grahic Jump Location
Blockages with holes in this experimental study

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