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TECHNICAL PAPERS: Forced Convection

A Numerical Study of Flow and Heat Transfer in Rotating Rectangular Channels (AR=4) With 45 deg Rib Turbulators by Reynolds Stress Turbulence Model

[+] Author and Article Information
Mohammad Al-Qahtani, Je-Chin Han

Turbine Heat Transfer Laboratory, Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843

Hamn-Ching Chen

Ocean Engineering Program, Department of Civil Engineering, Texas A&M University, College Station, TX 77843

J. Heat Transfer 125(1), 19-26 (Jan 29, 2003) (8 pages) doi:10.1115/1.1527907 History: Received April 10, 2002; Revised September 10, 2002; Online January 29, 2003
Copyright © 2003 by ASME
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References

Figures

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Conceptual view of the secondary flow induced by angled ribs and rotation
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Secondary flow and temperature [θ=(T−To)/(Tw−To)] for non-rotating ribbed duct, Ro=0.00
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Secondary flow and temperature [θ=(T−To)/(Tw−To)] for rotating ribbed duct, Ro=0.14 and β=90 deg
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Secondary flow and temperature [θ=(T−To)/(Tw−To)] for rotating ribbed duct, Ro=0.14, Δρ/ρ=0.122 and β=135 deg
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Secondary flow and temperature [θ=(T−To)/(Tw−To)] for rotating ribbed duct, Ro=0.28, Δρ/ρ=0.40 and β=135 deg
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Leading surface detailed Nusselt number ratio distribution in ribbed duct
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Trailing surface detailed Nusselt number ratio distribution in ribbed duct
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Calculated and measured Nusselt number ratio distribution for non-rotating ribbed duct, Re=10,000
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Calculated and measured Nusselt number ratio distribution for rotating ribbed duct (Ro=0.14), Re=10,000
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Effect of rotation and density ratio on 135 deg Nusselt number ratio distribution for Re=10,000

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