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TECHNICAL PAPERS: Evaporation, Boiling, and Condensation

Evaporation Heat Transfer in Sintered Porous Media

[+] Author and Article Information
M. A. Hanlon

Aperion Energy Systems, Inc., 398 Dix Road, Suite 102, Jefferson City, MO 65109

H. B. Ma

Department of Mechanical and Aerospace Engineering, University of Missouri—Columbia, Columbia, MO 65211

J. Heat Transfer 125(4), 644-652 (Jul 17, 2003) (9 pages) doi:10.1115/1.1560145 History: Received March 11, 2002; Revised November 01, 2002; Online July 17, 2003
Copyright © 2003 by ASME
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References

Figures

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Thin film evaporation in sintered particles
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Schematic of two-dimensional fluid flow and evaporation in a sintered wick structure
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(a) Schematic of the experimental system; (b) test section; and (c) solid model of the heater fabricated for experimentation (cylinder diameter is 2.54 cm, top surface is 1×2 cm2 , and length of rectangular neck is 2 cm)
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Wick thickness effect on the temperature drop (rb=0.635 mm; ε=43 percent; LH=0.01 m; working fluid=water)
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Heat flux level effect on the temperature drops (rb=0.635 mm; ε=43 percent; LH=0.01 m; working fluid=water)
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Wick thickness effect on the evaporating heat transfer coefficients (rb=0.635 mm; ε=43 percent; LH=0.01 m; working fluid=water)
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Comparison of the calculated results with the experimental data (rb=0.635 mm; ε=43 percent; LH=0.01 m; working fluid=water)
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Wick thickness effect on the capillary and boiling limitations (rb=0.635 mm; ε=43 percent; LH=0.01 m; working fluid=water)
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Wick thickness effect on the temperature distribution (rb=0.635 mm; ε=43 percent; LH=0.01 m; working fluid=water)
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Particle size effect on the dryout heat flux (L=0.254 mm; ε=43 percent; LH=0.01 m; working fluid=water)
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Porosity effect on the dryout heat flux (rb=0.635 mm; ε=43 percent; LH=0.01 m; working fluid=water)
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Entry length effect on the dryout heat flux (rb=0.635 mm;Tsat=373.15 K; ε=43 percent; LH=0.01 m; working fluid=water)  

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