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TECHNICAL PAPERS

Turbulent Augmentation of Internal Convection Over Pins in Staggered-Pin Fin Arrays

[+] Author and Article Information
F. E. Ames, L. A. Dvorak, M. J. Morrow

Mechanical Engineering Department, University of North Dakota, Grand Forks, ND 58202

J. Turbomach 127(1), 183-190 (Feb 09, 2005) (8 pages) doi:10.1115/1.1811090 History: Received October 01, 2003; Revised March 01, 2004; Online February 09, 2005
Copyright © 2005 by ASME
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References

Armstrong,  J., and Winstanley,  D., 1988, “A Review of Staggered Array Pin Fin Heat Transfer for Turbine Cooling Applications,” ASME J. Turbomach., 110, pp. 94–103.
Metzger, D. E., Shepard, W. B., and Haley, S. W., 1986, “Row Resolved Heat Transfer Variations in Pin Fin Arrays Including Effects of Non-Uniform Arrays and Flow Convergence,” ASME Paper No. 86-GT-132.
Chyu,  M. K., Hsing,  Y. C., Shih,  T. I.-P., and Natarajan,  V., 1998, “Heat Transfer Contributions of Pins and Endwall in Pin-Fin Arrays: Effects of Thermal Boundary Conditions Modeling,” ASME J. Turbomach., 121, pp. 257–263.
Metzger, D. E., Fan, C. S., and Shepard, W. B., 1982, “Pressure Loss and Heat Transfer Through Multiple Rows of Short Pins,” Heat Transfer 1982, 3 , Hemisphere, Washington, DC, pp. 137–142.
Jacob,  M., 1938, “Heat Transfer and Flow Resistance in Cross Flow of Gases Over Tube Banks,” Trans. ASME, 59, pp. 384–386.
Metzger, D. E., and Haley, S. W., 1982, “Heat Transfer Experiments and Flow Visualization for Arrays of Short Pin Fins,” ASME Paper No. 82-GT-138.
Baughn, J. W., and Saniei, N., 1990, “Local Heat Transfer Measurements on Arrays of Pin Fins in a Rectangular Duct,” Proc. Ninth International Heat Transfer Conference, Jerusalem, Hemisphere, New York.
Simoneau,  R. J., and Van Fossen,  G. J., 1984, “Effect of Location in an Array on Heat Transfer to a Short Cylinder in Crossflow,” ASME J. Heat Transfer, 106, pp. 42–48.
Ames, F. E., Solberg, C. S., Goman, M. D., Curtis, D. J., and Steinbrecker, B. T., 2001, “Experimental Measurements and Computations of Heat Transfer and Friction Factor in a Staggered Pin Fin Array,” ASME Paper No. DETC 2001/CIE-21761.
FLUENT 5.3, 1999, FLUENT 5.3 User’s Guide, Fluent, Lebanon, NH.
Shih,  T.-H., Liou,  W. W., Shabbir,  A., and Zhu,  J., 1995, “A New k-ε Eddy-Viscosity Model for High Reynolds Number Turbulent Flows—Model Development and Validation,” Comput. Fluids, 24(3), pp. 227–238.
Steinthorsson, E., Ameri, A. A., and Rigby, D. L., 1996, “Simulations of Turbine Cooling Flows Using a Multiblock-Multigrid Scheme,” NASA CR 198539.
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Ames, F. E., and Moffat, R. J., 1990, “Heat Transfer With High Intensity, Large Scale Turbulence: The Flat Plate Turbulent Boundary Layer and the Cylindrical Stagnation Point,” Report No. HMT-44, Thermosciences Division of Mechanical Engineering, Stanford University.
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Ames,  F. E., 1997, “The Influence of Large Scale, High Intensity Turbulence on Vane Heat Transfer,” ASME J. Turbomach., 119, p. 23.
Ames,  F. E., Wang,  C., and Barbot,  P. A., 2003, “Measurement and Prediction of the Influence of Catalytic and Dry Low NOx Combustor Turbulence on Vane Surface Heat Transfer,” ASME J. Turbomach., 125, pp. 221–231.
Ames,  F. E., Argenziano,  M., and Wang,  C., 2003, “Measurement and Prediction of Heat Transfer Distributions on an Aft Loaded Vane Subjected to the Influence of Catalytic and Dry Low NOx Combustor Turbulence,” ASME J. Turbomach 126, pp. 139–149.

Figures

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UND internal heat transfer and flow facility showing staggered-pin fin array test section
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Partial flow view of pin fin array showing spanwise and vertical locations of turbulence and spectra measurements
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Partial top view of pin fin array showing spanwise and axial locations of turbulence and spectra measurements
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Flow friction factor versus ReDm compared to prior UND 45
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Midline pressure coefficient distribution, rows 1–5, ReDm=30,000,Vmax=18.15 m/s
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Midline Nu/ReDm1/2 distribution, rows 1–5, ReDm=30,000 based on Vmax
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Determination of Veff based on pin surface velocity distribution, row 1, ReDm=30,000
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Midline Nu/ReDe1/2 distribution, rows 1–5, ReDm=30,000,ReDe based on Veff (row)
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Midline pressure coefficient distribution, rows 1–5, ReDm=10,000,Vmax=5.93 m/s
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Midline Nu/ReDm1/2 distribution, rows 1–5, ReDm=10,000 based on Vmax
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Midline Nu/ReDe1/2 distribution, rows 1–5, ReDm=10,000,ReDe based on Veff (row)
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Midline pressure coefficient distribution, rows 1–5, ReDm=3000,Vmax=1.71 m/s
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Midline Nu/ReDm1/2 distribution, rows 1–5, ReDm=3000 based on Vmax
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Midline Nu/ReDe1/2 distribution, rows 1–5, ReDm=3000,ReDe based on Veff (row)
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Correlation of pin stagnation point heat transfer, Nu/ReDe1/2 versus TRL

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