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Dynamic Electro-Thermal Simulation of a Tubular Solid Oxide Fuel

[+] Author Affiliations
Wei Jiang, Roger A. Dougal, Jamil A. Khan

University of South Carolina

Ruixian Fang

Universiy of South Carolina

Paper No. IMECE2006-16279, pp. 153-159; 7 pages
doi:10.1115/IMECE2006-16279
From:
  • ASME 2006 International Mechanical Engineering Congress and Exposition
  • Heat Transfer, Volume 1
  • Chicago, Illinois, USA, November 5 – 10, 2006
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-4784-5 | eISBN: 0-7918-3790-4
  • Copyright © 2006 by ASME

abstract

A one-dimensional dynamic model of a tubular Solid Oxide Fuel Cell (SOFC) stack capable of system simulation in the Virtual Test Bed (VTB) computational environment is developed. This model is based on the electrochemical and thermal modeling, accounting for the voltage losses and temperature dynamics. The single cell is discretized by a finite volume method where all the governing equations are solved for each finite volume. The temperature, the current density and the gas concentration distribution along the cell are presented. The dynamic behavior of electrical characteristics and temperature under the variable load is simulated and analyzed. For easy implementation in the VTB platform, the nonlinear governing equations are discretized in Resistive Companion (RC) form. Simulation will be demonstrated at the paper presentation.

Copyright © 2006 by ASME

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