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TECHNICAL PAPERS: Heat Exchangers

Flow and Heat Transfer Correlations for Porous Fin in a Plate-Fin Heat Exchanger

[+] Author and Article Information
S. Y. Kim, J. W. Paek, B. H. Kang

Thermal/Flow Control Research Center, Korea Institute of Science and Technology, Seoul 130-650, Korea

J. Heat Transfer 122(3), 572-578 (Mar 10, 2000) (7 pages) doi:10.1115/1.1287170 History: Received June 24, 1999; Revised March 10, 2000
Copyright © 2000 by ASME
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References

Webb, R. L., 1994, Principles of Enhanced Heat Transfer, John Wiley and Sons, New York.
Sahnoun,  A., and Webb,  R. L., 1992, “Prediction of Heat Transfer and Friction for the Louver Fin Geometry,” ASME J. Heat Transfer, 114, pp. 893–900.
Chang,  Y.-J., Wang,  C.-C., and Chang,  W. J., 1994, “Heat Transfer and Flow Characteristics of Automotive Brazed Aluminum Heat Exchangers,” ASHRAE Trans., 100, No. 2, pp. 643–652.
Gibson, L. J., and Ashby, M. F., 1997, Cellular Solids, Cambridge University Press, Cambridge, UK.
Kaviany, M., 1991, Principles of Heat Transfer in Porous Media, Springer-Verlag, New York.
Hunt,  M. L., and Tien,  C. L., 1988, “Effects of Thermal Dispersion on Forced Convection in Fibrous Media,” Int. J. Heat Mass Transf., 31, pp. 301–309.
Huang,  P. C., and Vafai,  K., 1993, “Flow and Heat Transfer Control Using a Porous Block Array Arrangement,” Int. J. Heat Mass Transf., 36, pp. 4019–4032.
Huang,  P. C., and Vafai,  K., 1994, “Analysis of Forced Convection Enhancement in a Channel Using Porous Blocks,” J. Thermophys. Heat Transfer, 8, pp. 563–573.
Hadim,  A., 1994, “Forced Convection in a Porous Channel With Localized Heat Sources,” ASME J. Heat Transfer, 116, pp. 465–472.
Sung,  H. J., Kim,  S. Y., and Hyun,  J. M., 1995, “Forced Convection From an Isolated Heat Source in a Channel With Porous Medium,” Int. J. Heat Fluid Flow, 16, pp. 527–535.
Kim, S. Y., Kim, J.-H., and Kang, B. H., 1998, “Effect of Porous Fin in a Plate-Fin Heat Exchanger,” Proceedings of the ASME Heat Transfer Division, 3 , ASME, New York, pp. 477–482.
ERG Duocel Aluminum Foam Catalog, 1995, Energy Research and Generation, Inc. Oakland, CA.
Paek,  J. W., Kang,  B. H., Kim,  S. Y., and Hyun,  J. M., 2000, “Effective Thermal Conductivity and Permeability of Aluminum Foam Materials,” Int. J. Thermophys., 21, pp. 453–464.
Kays, W. M., and London, A. L., 1984, Compact Heat Exchangers, McGraw-Hill, New York.
Chang,  Y.-J., and Wang,  C.-C., 1997, “A Generalized Heat Transfer Correlation for Louver Fin Geometry,” Int. J. Heat Mass Transf., 40, pp. 533–534.
McQuiston, F. C., and Parker, J. D., 1994, Heating, Ventilating, and Air-Conditioning Analysis and Design, John Wiley and Sons, New York.
Figliola, R. S., and Beasley, D. E., 1995, Theory and Design for Mechanical Measurements, Wiley, New York.
Achaichia,  A., and Cowell,  T. A., 1988, “Heat Transfer and Pressure Drop Characteristics of Flat Tube and Louvered Plate Fin Surfaces,” Exp. Therm. Fluid Sci., 1, pp. 147–157.
Amiri,  A., and Vafai,  K., 1994, “Analysis of Dispersion Effects and Non-Thermal Equilibrium Non-Darcian, Variable Porosity Incompressible Flow Through Porous Medium,” Int. J. Heat Mass Transf., 37, pp. 939–954.

Figures

Grahic Jump Location
Effect of pore density on the air-side performance ηshβ of the porous fins at ε=0.92
Grahic Jump Location
Effect of porosity on the air-side performance ηshβ of the porous fins at 20 PPI
Grahic Jump Location
Schematic configuration of the problem
Grahic Jump Location
Comparison of the friction and j-factors for the present louvered fin with the previous correlations
Grahic Jump Location
Effect of pore density on the friction factors of the porous fin at ε=0.92
Grahic Jump Location
Effect of porosity on the friction factors of the porous fin at 20 PPI
Grahic Jump Location
Friction factor correlation of the porous fins
Grahic Jump Location
Effect of pore density on the modified j-factors of the porous fins at ε=0.92
Grahic Jump Location
Effect of porosity on the modified j-factors of the porous fins at 20 PPI
Grahic Jump Location
Modified j-factor correlation of the porous fins

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