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TECHNICAL PAPERS: Evaporation, Boiling, and Condensation

Effect of Fin Geometry on Condensation of R407C in a Staggered Bundle of Horizontal Finned Tubes

[+] Author and Article Information
H. Honda, N. Takata, H. Takamatsu

Institute of Advanced Material Study, Kyushu University, Kasuga, Fukuoka 816-8580, Japan

J. S. Kim, K. Usami

Interdisciplinary Graduate School of Engineering Sciences, Kyushu University, Kasuga, Fukuoka 816-8580, Japan

J. Heat Transfer 125(4), 653-660 (Jul 17, 2003) (8 pages) doi:10.1115/1.1560153 History: Received March 19, 2001; Revised November 05, 2002; Online July 17, 2003
Copyright © 2003 by ASME
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References

Gabrielii,  C., and Vamling,  L., 1997, “Replacement of R22 in Tube-and-Shell Condensers: Experiments and Simulations,” Int. J. Refrig., 20, pp. 165–178.
Honda,  H., Takata,  N., Takamatsu,  H., Kim,  J. S., and Usami,  K., 2002, “Condensation of Downward Flowing HFC134a in a Staggered Bundle of Horizontal Finned Tubes: Effect of Fin Geometry,” Int. J. Refrig., 25, pp. 3–10.
Honda,  H., Takamatsu,  H., and Takata,  N., 1999, “Experimental Measurements for Condensation of Downward-Flowing R123/R134a in a Staggered Bundle of Horizontal Low-Finned Tubes with Four Fin Geometries,” Int. J. Refrig., 22, pp. 615–624.
Nusselt, W., 1916, “Die Oberflächenkondensation des Wasser-dampfles,” Zeit. Ver. Deut. Ing., 60 , pp. 541–546, 569–575.
McLinden, M. O., Klein, S. A., Lemmon, E. W., and Peskin, A. P., 1998, NIST Thermodynamic and Transport Properties of Refrigerants and Refrigerant Mixtures—REFPROP, Version 6.0, National Institute of Standards and Technology.
Moffat,  R. J., 1989, “Describing Uncertainties in Experimental Results,” Exp. Therm. Fluid Sci., 1, pp. 3–17.
Zukauskas,  A., 1972, “Heat Transfer from Tubes in Crossflow,” Adv. Heat Transfer, 8, pp. 93–160.
Honda,  H., and Kim,  K. H., 1995, “Effect of Fin Geometry on the Condensation Heat Transfer Performance of a Bundle of Horizontal Low-Fin Tubes,” J. Enhanced Heat Transfer, 2, pp. 139–147.

Figures

Grahic Jump Location
Cross-sectional view of test section
Grahic Jump Location
Close-up and cross-sectional views of test tubes
Grahic Jump Location
Distributions of measured and calculated quantities in the tube bundle
Grahic Jump Location
Variation of Tv,in−Tv with x
Grahic Jump Location
Variation of (Ti−Tw)/ΔT with ΔT
Grahic Jump Location
Variation of α with ΔT; first condensing row
Grahic Jump Location
Variation of Nu* with Ref; effect of ΔT
Grahic Jump Location
Variation of Nu* with Ref; effect of G  
Grahic Jump Location
Variation of Nu* with Ref; comparison of R407C and R134a
Grahic Jump Location
Variation of αv with Rev

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