TECHNICAL PAPERS: Natural and Mixed Convection

Study of Mixing and Augmentation of Natural Convection Heat Transfer by a Forced Jet in a Large Enclosure

[+] Author and Article Information
Shine-Zen (Joseph) Kuhn

University of California, Berkeley, Department of Nuclear Eng., Berkeley, CA 94720-1730e-mail: jkuhn1@txu.com

Hwan Kook Kang

Dae Hong Enterprise Co., 30 Yangpyung-Dong-4ga, Young Deung Po-Gu, Seoul, Korea, 150-104

Per F. Peterson

University of California, Berkeley, Department of Nuclear Eng., Berkeley, CA 94720-1730e-mail: peterson@nuc.berkeley.edu

J. Heat Transfer 124(4), 660-666 (Jul 16, 2002) (7 pages) doi:10.1115/1.1482081 History: Received July 09, 2001; Revised March 14, 2002; Online July 16, 2002
Copyright © 2002 by ASME
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Grahic Jump Location
Effect of tube obstructions inside the enclosure
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Effect of stabilizing density gradient on mixed convection
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Photo of the cylindrical enclosure experiment
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Injection orientations and resulting large-scale recirculation patterns
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Natural-convection heat transfer data
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Results for combined natural and forced-convection heat transfer
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Horizontal velocities at positions near the heated bottom surface
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Vertical temperature distributions in the enclosure
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Effect of aspect ratio on heat transfer augmentation
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Mixing processes for (a) jet-agitated, and (b) impeller-agitated vessels



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