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TECHNICAL PAPERS: Forced Convection

Numerical Study of Steady Forced Convection in a Grooved Annulus Using a Design of Experiments

[+] Author and Article Information
Yannick Sommerer, Guy Lauriat

University of Marne-la-Vallée, Cité Descartes, Bldg. Lavoisier, Champs-sur-Marne, F-77454 Marne-la-Vallée Cedex 2

J. Heat Transfer 123(5), 837-848 (Feb 09, 2001) (12 pages) doi:10.1115/1.1388299 History: Received May 23, 2000; Revised February 09, 2001
Copyright © 2001 by ASME
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References

Figures

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Iso-uθ[0(0.1)1] near the first transition in the plane I for A=20
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Variation of the mean friction coefficient with the axial aspect ratio for Ta=300 (three-dimensional computations).
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Local Nusselt number and friction coefficient along the inner cylinder for Ta=1300
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Isothermal patterns [0(0.1)1] for various configurations of cross sections with R=1.0526 and at Ta=1000: (a) Rg=1.20,θp=30 deg,θg=10 deg (b) Rg=1.02,θp=30 deg,θg=10 deg (c) Rg=1.20,θp=30 deg,θg=24 deg; and (d) Rg=1.20,θp=120 deg,θg=10 deg
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Variations of Cf and Nu versus Ta for different radius ratios
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Variation of the tangential velocity-component for Ta=100 versus the curvature function: (a) R=1.007; and (b) R=1.11
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Variations of the mean Nusselt number: (a) Nu versus Ta for various Rg; and (b) Nu versus Rg for various Ta
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Variations of Cf and Nu versus Ta for various θp
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Definition of the geometry
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Comparison of mean Nusselt number with experimental results and numerical predictions 10
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Flow regimes and variations of Tac versus the axial aspect ratio
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Variations of Cf and Nu versus Ta for various θg
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Comparisons between calculations and correlation about the mean friction coefficient: (a) Cf versus R; (b) Cf versus Rg; (c) Cf versus θp; (d) Cf versus θg; and (e) Cf versus Ta.
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Comparison between calculations and correlation about the mean Nusselt number: (a) Nu versus R; (b) Nu versus Rg; (c) Nu versus θp; (d) Nu versus θg

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