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TECHNICAL PAPERS: Heat and Mass Transfer

A Numerical Model Coupling the Heat and Gas Species’ Transport Processes in a Tubular SOFC

[+] Author and Article Information
Pei-Wen Li, Laura Schaefer, Minking K. Chyu

Department of Mechanical Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA

J. Heat Transfer 126(2), 219-229 (May 04, 2004) (11 pages) doi:10.1115/1.1667528 History: Received January 31, 2003; Revised December 23, 2003; Online May 04, 2004
Copyright © 2004 by ASME
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References

Figures

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Cross-sectional view of a tubular SOFC system
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Arrangement of fuel and oxidant streams in a single tubular SOFC
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Conjugate computational domain
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Network circuit pertaining to half of a tubular SOFC tube (all layers of the electrode and electrolyte have been magnified)
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Cell voltage versus current density
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Cell power versus current density
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Local distribution of electromotive force
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Local distribution of current density
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Cell tube temperature distributions for a series of current densities
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Temperature (°C) contours in the whole computational domain (İ0=450 mA/cm2; the boundaries of the cell tube and air-inducing tube are indicated by dotted lines)
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Varying molar flow rates of gas species in the fuel stream for a series of current densities
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Mass fraction distribution of oxygen (İ0=450 mA/cm2)
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Mass fraction distributions of gas species in fuel stream (İ0=450 mA/cm2)

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