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TECHNICAL PAPERS: Natural and Mixed Convection

Laminar Natural Convection in Isosceles Triangular Enclosures Heated From Below and Symmetrically Cooled From Above

[+] Author and Article Information
G. A. Holtzman

Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712

R. W. Hill

Department of Mechanical and Aerospace Engineering, University of Missouri-Columbia, Columbia, MO 65211e-mail: hillrw@missouri.edu

K. S. Ball

Department of Mechanical Engineering, The University of Texas at Austin, Austin, TX 78712e-mail: kball@burst.me.utexas.edu

J. Heat Transfer 122(3), 485-491 (Jan 06, 2000) (7 pages) doi:10.1115/1.1288707 History: Received September 11, 1998; Revised January 06, 2000
Copyright © 2000 by ASME
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References

Figures

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Physical domain and boundary conditions
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Streamline (upper) and temperature (lower) profiles for Gr=103: (a) A=1.0; (Δψ=0.0252, Δθ=0.2), (b) A=0.5; (Δψ=0.0374, Δθ=0.2), and (c) A=0.2; (Δψ=0.0316, Δθ=0.2)
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Symmetric experimental flow pattern for Gr=5×103 and A=0.5
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Determination of Grc for each aspect ratio using maximum horizontal velocity at the geometric symmetry plane
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Streamline (upper) and temperature (lower) profiles for Gr=104: (a) A=0.5 (Δψ=1.11, Δθ=0.2), and (b) A=0.2 (Δψ=1.57, Δθ=0.2)
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Experimental flow pattern for Gr=104 and A=0.5
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Streamline (upper) and temperature (lower) profiles for Gr=105: (a) A=1.0 (Δψ=3.34, Δθ=0.2), (b) A=0.5 (Δψ=4.93, Δθ=0.2), and (c) A=0.2 (Δψ=6.73, Δθ=0.2)
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Experimental flow pattern for Gr=105 and A=0.5
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Nuc along the base for asymmetric and symmetric solutions at Gr=105 (a) A=1.0, (b) A=0.5, and (c) A=0.2
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Nuc along the base for A=0.5,Gr=105 using different grid resolutions
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Horizontal velocity profile at the geometric symmetry plane for A=0.5,Gr=105 using different grid resolutions

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