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TECHNICAL PAPERS

Design of Cast Pin Fin Coldwalls for Air-Cooled Electronics Systems

[+] Author and Article Information
B. Elliott Short, Donald C. Price

Raytheon Company, McKinney, TX 75070e-mail: dprice@raytheon.com

Peter E. Raad

Department of Mechanical Engineering, Southern Methodist University, Dallas, TX 75275-0337e-mail: praad@mail.smu.edu

J. Electron. Packag 126(1), 67-73 (Apr 30, 2004) (7 pages) doi:10.1115/1.1648063 History: Received March 01, 2002; Online April 30, 2004
Copyright © 2004 by ASME
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References

Norris,  R. H., and Spofford,  W. A., 1942, “High-Performance Fins for Heat Transfer,” Trans. ASME, 64, pp. 489–496.
Kays, W. M., 1953, “Pin-Fin Heat Exchanger Surfaces,” Technical Report No. 19, Dept. of Mechanical Engineering, Stanford University, Stanford, CA.
Kays, W. M., and London, A. L., 1984, Compact Heat Exchangers, 3d ed., McGraw-Hill, Inc.
VanFossen,  G. J., 1982, “Heat Transfer Coefficients for Staggered Arrays of Short Pin Fins,” ASME J. Eng. Power, 104, pp. 268–274.
Simoneau,  R. J., and VanFossen,  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.
Brigham,  B. A., and VanFossen,  G. J., 1984, “Length to Diameter Ratio and Row Number Effects in Short Pin Fin Heat Transfer,” ASME J. Eng. Gas Turbines Power, 106(1), pp. 241–245.
Metzger,  D. E., Berry,  R. A., and Bronson,  J. P., 1982, “Developing Heat Transfer in Rectangular Ducts With Staggered Arrays of Short Pin Fins,” ASME J. Heat Transfer, 104, pp. 700–706.
Metzger, D. E., Fan, S. C., and Shepard, W. B., 1982, “Pressure Loss and Heat Transfer Through Multiple Rows of Short Pin Fins,” Heat Transfer 1982, Vol. 3, pp. 137–142, Hemisphere Publishing Corp.
Metzger, D. E., and Haley, S. W., 1982, “Heat Transfer Experiments and Flow Visualization for Arrays of Short Pin Fins,” ASME Paper 82-GT-138.
Arora, S. C., and Abdel Messeh, W., 1983, “Heat Transfer Experiments in High Aspect Ratio Rectangular Channel With Epoxied Short Pin Fins,” ASME Paper No. 83-GT-57.
Arora, S. C., and Abdel Messeh, W., 1985, “Pressure Drop and Heat Transfer Characteristics of Circular and Oblong Low Aspect Ratio Pin Fins,” Proc. NATO AGARD Conference, Paper No. 390, pp. 4-1–4-15, May 6–10.
Peng,  Y., 1984, “Heat Transfer and Friction Loss Characteristics of Pin Fin Cooling Configurations,” ASME J. Eng. Gas Turbines Power, 106, pp. 246–251.
Wang, B. G., and Ji, H. H., 1987, “Experimental Investigation of Heat Transfer and Friction Loss in Taper Pin Fin Configurations of Air Cooled Turbine Blades,” Proc. 1987 ASME-JSME Thermal Engineering Joint Conference, Honolulu, HI, Mar 22–27, Vol. 4., pp. 127–133.
Sparrow,  E. M., and Grannis,  V. B., 1991, “Pressure Drop Characteristics of Heat Exchangers Consisting of Arrays of Diamond-Shaped Pin Fins,” Int. J. Heat Mass Transfer, 34, pp. 589–600.
Chapman, C. L., Lee, S., and Schmidt, B. L., 1994, “Thermal Performance of an Elliptical Pin Fin Heat Sink,” Proc. Tenth IEEE SEMI-THERM, pp. 24–31.
Jubran,  B. A., Hamdan,  M. A., and Abdullah,  R. M., 1993, “Enhanced Heat Transfer, Missing Pin, and Optimization for Cylindrical Pin Fin Arrays,” ASME J. Heat Transfer, 115, pp. 576–583.
Short, B. E., Jr., Raad, P. E., and Price, D. C., 1994, “Pressure Drop and Heat Transfer in Cast Pin Fin Coldwalls Used for Electronics Cooling,” Proc. 1994 International Mechanical Engineering Congress and Exposition, Chicago, IL, Nov 6–11, HTD 292, pp. 105–113.
Short,  B. E., Raad,  P. E., and Price,  D. C., 2002, “Performance of Pin Fin Coldwalls Constructed of Cast Aluminum: Part I—Friction Factor Correlations,” J. Thermophys. Heat Transfer, 16(3), July–September, pp. 389–396.
Short,  B. E., Raad,  P. E., and Price,  D. C., 2001, “Performance of Pin Fin Coldwalls Constructed of Cast Aluminum: Part II—Colburn j-Factor Correlations,” J. Thermophys. Heat Transfer, 16(3), July–September, pp. 397–403.
EG&G ROTRON, 1988, MIL GRADE FANS AND BLOWERS, EG&G ROTRON, Custom Division, ROTRON INC., Woodstock, New York.
Patel, J., Ebbs, J., Williams, B., and Thompson, C., 1976, “Technical Considerations in the Selection of Rotron Custom Division Products,” E. G. & G. Rotron Custom Division, Woodstock, N.Y.

Figures

Grahic Jump Location
Pin fin configuration and nomenclature
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Upper and lower limits for the two-curve correlations for the Fanning friction factor
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Upper and lower limits for the two-curve correlations for the Colburn j-factor
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Effect of 1.75<S/d<3.50 on coldwall performance with T/d=3.70 and L/d=7.14
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Effect of 2.00<T/d<6.50 on coldwall performance with S/d=3.19 and L/d=7.14
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Effect of 2.00<L/d<7.25 on coldwall performance with S/d=3.19 and T/d=3.70
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Fan selection curves (fan curves from EG&G ROTRON, 20)
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Fan curve unstable operating region
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System operating points for selected fans (fan curves from EG&G ROTRON, 20)

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