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The Energy Budget in Tubular and Planar Type Solid Oxide Fuel Cells Studied Through Numerical Simulation

[+] Author Affiliations
Pei-Wen Li, Laura Schaefer, Minking K. Chyu

University of Pittsburgh, Pittsburgh, PA

Paper No. IMECE2003-42426, pp. 429-436; 8 pages
doi:10.1115/IMECE2003-42426
From:
  • ASME 2003 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Volume 2
  • Washington, DC, USA, November 15–21, 2003
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-3718-1 | eISBN: 0-7918-4663-6, 0-7918-4664-4, 0-7918-4665-2
  • Copyright © 2003 by ASME

abstract

The energy budget in a tubular and a planar type solid oxide fuel cell (SOFC) is studied based on numerical simulation. By solving the discretized governing equations for flow, temperature, and mass fraction of gas species in the fuel cells, the detailed local parameters determining the local electromotive forces are obtained. The energy flows of electrical power, Joule heating, thermal energy from the entropy change of the electrochemical reaction, as well as the chemical reaction heat by reforming and shift reactions are delineated and compared for the two different types of SOFCs.

Copyright © 2003 by ASME

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