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TECHNICAL PAPERS: Forced Convection

Geometry Effects on Turbulent Flow and Heat Transfer in Internally Finned Tubes

[+] Author and Article Information
Xiaoyue Liu

GE Corporate Research and Development Center, 1 Research Circle, Niskayuna, NY 12309e-mail: LiuXi@crd.ge.com

Michael K. Jensen

Department of Mechanical, Aerospace and Nuclear Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590e-mail: JenseM@rpi.edu

J. Heat Transfer 123(6), 1035-1044 (May 20, 2001) (10 pages) doi:10.1115/1.1409267 History: Received December 15, 2000; Revised May 20, 2001
Copyright © 2001 by ASME
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References

Shome,  B., and Jensen,  M. K., 1996, “Experimental Investigation of Variable Property/Mixed Convection Laminar Flow in Internally-Finned Tubes,” Journal of Enhanced Heat Transfer, 4, pp. 53–70.
Shome,  B., and Jensen,  M. K., 1996, “Numerical Investigation of Variable Property/Mixed Convection Laminar Flow in Internally-Finned Tubes,” Journal of Enhanced Heat Transfer, 4, pp. 35–51.
Bergles, A. E., Jensen, M. K., and Shome, B., 1995, “Bibliography on Enhancement of Convective Heat and Mass Transfer,” Heat Transfer Lab. Report-23, Rensselaer Polytechnic Institute, Troy, New York.
Liu, X., 1998, “Investigation of Turbulent Flow and Heat Transfer in Internally Finned Tubes,” Ph.D. thesis, Rensselaer Polytechnic Institute, Troy, New York.
Carnavos,  T. C., 1979, “Cooling Air in Turbulent Flow with Internally Finned Tubes,” Heat Transfer Eng., 1, No. 2, pp. 41–46.
Carnavos,  T. C., 1980, “Heat Transfer Performance of Internally Finned Tubes in Turbulent Flow,” Heat Transfer Eng., 1, No. 4, pp. 32–37.
Jensen,  M. K., and Vlakancic,  A., 1999, “Experimental Investigation of Turbulent Heat Transfer and Fluid Flow in Internally Finned Tubes,” Int. J. Heat Mass Transf., 42, pp. 1343–1351.
Liu,  X., and Jensen,  M. K., 1999, “Numerical Investigation of Turbulent Flow and Heat Transfer in Internally Finned Tubes,” Journal of Enhanced Heat Transfer, 6, pp. 105–119.
Trupp, A. C., Lau, A. C. Y., Said, M. N. A., and Soliman, H. M., 1981, “Turbulent Flow Characteristics in an Internally Finned Tube,” Advances in Heat Transfer-1981, ASME, HTD-18, pp. 11–19.
Edwards,  D. P., Hirsa,  A., and Jensen,  M. K., 1996, “Turbulent Air Flow in Longitudinally Finned Tubes,” ASME J. Fluids Eng., 118, pp. 506–513.
Patankar,  S. V., Ivanovic,  M., and Sparrow,  E. M., 1979, “Analysis of Turbulent Flow and Heat Transfer in Internally Finned Tubes and Annuli,” ASME J. Heat Transfer, , 101, pp. 29–37.
Said,  M. N. A., and Trupp,  A. C., 1984, “Predictions of Turbulent Flow and Heat Transfer in Internally Finned Tubes,” Chem. Eng. Commun., 31, pp. 65–99.
Edwards, D. P., and Jensen, M. K., 1994, “An Investigation of Turbulent Flow and Heat Transfer in Longitudinally Finned Tubes,” Heat Transfer Lab. Report HTL-18, Rensselaer Polytechnic Institute, Troy, New York.
Kelkar,  K. M., 1997, “Numerical Method for The Computation of Flow in Irregular Domains That Exhibit Geometric Periodicity Using Nonstaggered Grids,” Numer. Heat Transfer, Part B, 31, pp. 1–21.
Kern, D. Q., and Kraus, A. D., 1972, Extended Surface Heat Transfer, McGraw-Hill Book Company, New York.
Patankar,  S. V., Liu,  C. H., and Sparrow,  E. M., 1977, “Fully Developed Flow and Heat Transfer in Ducts Having Streamwise-Periodic Variations of Cross-Sectional Area,” ASME J. Heat Trasfer, , 99, pp. 180–186.
Norris, L. H., and Reynolds, W. C., 1975, “Turbulent Channel Flow With a Moving Wavy Boundary,” Report. FM-10, Department of Mechanical Engineering, Stanford University, CA.
STAR-CD Manuals, 1998, Computational Dynamics, Co., London, U.K.
Vlakancic, A., 1996, “Experimental Investigation of Internally Finned Tube Geometries on Turbulent Heat Transfer and Fluid Flow,” M.S. thesis, Rensselaer Polytechnic Institute, Troy, New York.
Gnielinski,  V., 1976, “New Equations for Heat and Mass Transfer in Turbulent Pipe and Channel Flow,” Int. Chem. Eng., 16, pp. 359–368.

Figures

Grahic Jump Location
(a) The friction factor comparison for different fin profiles (N=36,H=0.06,γ=25 deg, and s=0.1); and (b) the Nusselt number comparison for different fin profiles (N=36,H=0.06,γ=25 deg, and s=0.1).
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(a) The local friction factor distribution for the round crest fin profile; and (b) the local Nusselt number distribution for the round-crest fin profile.
Grahic Jump Location
(a) The friction factor comparison for different fin profiles (N=30,H=0.10,γ=30 deg, and s=0.083); and (b) the Nusselt number comparison for different fin profiles (N=30,H=0.10,γ=30 deg, and s=0.083).
Grahic Jump Location
(a) The turbulent kinetic energy on the interfin bisector for (N=22,H=0.06, and γ=25 deg); and (b) the turbulent kinetic energy on the interfin bisector for (N=36,H=0.06, and γ=25 deg).
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(a) The comparison of fin width effect on friction factor with different number of fins; and (b) the comparison of fin width effect on Nusselt number with different number of fins.
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(a) The local friction factor distribution for a rectangular fin (N=36,H=0.06,γ=25 deg, and s=0.1); and (b) the local Nusselt number distribution for a rectangular fin (N=36,H=0.06,γ=25 deg, and s=0.1).
Grahic Jump Location
(a) The effect of fin height on friction factors (N=30); and (b) the effect of fin height on Nusselt numbers (N=30).
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(a) The effect of helix angle and number of fins on friction factors; and (b) the effect of helix angle and number of fins on Nusselt numbers.
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(a) The comparison of the predicted friction factors with experimental data for Fin 1; and (b) the comparison of the predicted Nusselt numbers with experimental data for Fin 1.
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A computational model of an internally finned tube
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The geometry of an internally finned tube

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