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TECHNICAL NOTES

Application of a Higher Order GGDH Heat Flux Model to Three-Dimensional Turbulent U-Bend Duct Heat Transfer

[+] Author and Article Information
K. Suga, M. Nagaoka, N. Horinouchi

Toyota Central R & D Labs., Inc., Nagakute, Aichi, 480-1192, Japan

J. Heat Transfer 125(1), 200-203 (Jan 29, 2003) (4 pages) doi:10.1115/1.1532018 History: Received February 15, 2001; Revised September 18, 2002; Online January 29, 2003
Copyright © 2003 by ASME
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References

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Johnson,  R. W., and Launder,  B. E., 1985, “Local Nusselt Number and Temperature Field in Turbulent Flow Through a Heated Square-Sectioned U-bend,” Int. J. Heat Fluid Flow, 6, pp. 171–180.
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Suga,  K., Nagaoka,  M., Horinouchi,  N., Abe,  K., and Kondo,  Y., 2001, “Application of a Three Equation Cubic Eddy Viscosity Model to 3-D Turbulent Flows by the Unstructured Grid Methods,” Int. J. Heat Fluid Flow, 22, pp. 259–271.
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Launder,  B. E., and Shima,  N., 1989, “Second Moment Closure for the Near-wall Sublayer: Development and Application,” AIAA J., 27, pp. 1319–1325.
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Figures

Grahic Jump Location
Streamwise heat flux in a straight square-sectioned duct at Re=4500, Pr=0.71; DNS: Fukushima and Kasagi 15
Grahic Jump Location
Streamwise heat flux (−ρcpuθθ/qw)) contours at the 90 deg section
Grahic Jump Location
Nusselt number distribution in the U-bend duct by the HOGGDH and the GGDH; (a) 3-eq. cubic NLEVM for the flow field; and (b) Launder-Shima SMC for the flow field
Grahic Jump Location
Grid sensitivity of the Nusselt number distribution
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Streamwise turbulent heat flux in a channel flow at Reτ=180
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Square-sectioned 180 deg U-bend duct flow

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