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TECHNICAL PAPERS

Local Heat/Mass Transfer Measurements in a Rectangular Duct With Discrete Ribs

[+] Author and Article Information
H. H. Cho, S. J. Wu, H. J. Kwon

Department of Mechanical Engineering, Yonsei University, Seoul 120-749, Korea

J. Turbomach 122(3), 579-586 (Feb 01, 1999) (8 pages) doi:10.1115/1.1303049 History: Received February 01, 1999
Copyright © 2000 by ASME
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References

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Figures

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Schematic diagram of the experimental setup
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Types of rib arrangement
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Sh/Sh0 distributions for the continuous ribs 18: A90N1 for (a) and (c); A45N1 for (b) and (d)
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Average Sherwood number ratios, Sh/Sh0 and heat/mass transfer performances, η, for continuous ribs with various angles of attack at Re=30,000
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Calculated velocity vectors (not to scale): (a) and (b) x–z plane at y/e=0.1; (c) and (d) the rotating secondary flows in the cross section parallel to the ribs
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Sh/Sh0 distributions for the discrete ribs with α=90 deg: (a) and (d) A90N2; (b) and (e) A90N3; (c) and (f ) A90N5
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Sh/Sh0 distributions for the discrete ribs with α=45 deg: (a) and (d) A45N2; (b) and (e) A45N3; (c) and (f ) A45N5
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Friction factor ratios, f/f0, for continuous and discrete ribs
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Average Sherwood number ratios, Sh/Sh0, and heat/mass transfer performances, η, at Re=30,000

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