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TECHNICAL PAPERS: Forced Convection

Swirling Effect on Thermal-Fluid Transport Phenomena in a Strongly Heated Concentric Annulus

[+] Author and Article Information
Shuichi Torii

Department of Mechanical Engineering, Kagoshima University, 1-21-40, Korimoto, Kagoshima 890-0065, Japan

Wen-Jei Yang

Mechanical Engineering and Applied Mechanics, University of Michigan, Ann Arbor, Michigan 48109

J. Heat Transfer 125(4), 604-611 (Jul 17, 2003) (8 pages) doi:10.1115/1.1571086 History: Received March 13, 2002; Revised February 05, 2003; Online July 17, 2003
Copyright © 2003 by ASME
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References

Figures

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A schematic of the physical system and coordinates
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Distribution of predicted time-averaged velocity in concentric annulus for Re=10000 and r*=0.55: (a) streamwise velocity, and (b) tangential velocity
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Distribution of predicted turbulent kinetic energy in stationary concentric annulus for Re=46000,r*=0.56
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Variations of local Nusslet number with Reynolds number Re as a function of Taylor number at qw+=0.0041 for (a) inner wall side and (b) outer wall side
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Streamwise variation of turbulent kinetic energy profile in annular flows at Re=8000 and qw+=0.0041 for (a) stationary (Ta=0) and (b) rotating inner surface (Ta=5000)
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Streamwise variation of time-averaged velocity profile in annular flows at Re=8000 and qw+=0.0041 for (a) stationary (Ta=0) and (b) rotating inner surface (Ta=5000)
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Streamwise variation of tangential velocity profile in annular flow at Re=8000 and qw+=0.0041
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Streamwise variation of temperature variance profile in annular flows at Re=8000 and qw+=0.0041 for (a) stationary (Ta=0) and (b) rotating inner surface (Ta=5000)
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Streamwise variation of turbulent heat flux profile in annular flows at Re=8000 and qw+=0.0041 for (a) stationary (Ta=0) and (b) rotating inner surface (Ta=5000)
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A comparison of criteria for the occurrence of flow laminarization

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