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TECHNICAL PAPERS: Natural and Mixed Convection

Laminar Natural Convection Heat Transfer in a Differentially Heated Square Cavity Due to a Thin Fin on the Hot Wall

[+] Author and Article Information
Xundan Shi, J. M. Khodadadi

Mechanical Engineering Department, Auburn University, 201 Ross Hall, Auburn, AL 36849-5341

J. Heat Transfer 125(4), 624-634 (Jul 17, 2003) (11 pages) doi:10.1115/1.1571847 History: Received August 12, 2002; Revised March 05, 2003; Online July 17, 2003
Copyright © 2003 by ASME
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References

Figures

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Natural convection in a square cavity with a thin fin
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The absolute value of the stream function at the center of primary vortex, ψmin, as a function of the grid size (Ra=105,Sp=0.5, and Lp=0.5)
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Natural convection in a square cavity: (a) streamlines and (b) temperature contours [contour level increment of 0.1]
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Flow fields for Ra=104 with fins at different positions: (a) Lp=0.2, (b) Lp=0.35, and (c) Lp=0.5
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Flow fields for Ra=107 with fins at different positions: (a) Lp=0.2, (b) Lp=0.35, and (c) Lp=0.5
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Variation of the absolute value of ψmin with the position of the fin: (a) Ra=104, (b) Ra=105, (c) Ra=106, and (d) Ra=107
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Temperature fields for Ra=107 with fins at different positions: (a) Lp=0.2, (b) Lp=0.35, and (c) Lp=0.5 [contour level increment of 0.05]
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Variation of the local Nusselt number along the left and right walls of the cavity with fins at different positions (Ra=104): (a) Lp=0.2, (b) Lp=0.35, and (c) Lp=0.5
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Variation of the NNR along the left and right walls of the cavity with fins at different positions: (a) Ra=104 and (b) Ra=107
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Curve fitting for the mean Nusselt number: (a) Ra=104 and 105, (b) Ra=106 and 107

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