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TECHNICAL PAPERS: Gas Turbines: Cycle Innovations, and Combustion and Fuels

Simplified Versus Detailed Solid Oxide Fuel Cell Reactor Models and Influence on the Simulation of the Design Point Performance of Hybrid Systems

[+] Author and Article Information
Loredana Magistri, Riccardo Bozzo, Paola Costamagna, Aristide F. Massardo

Thermochemical Power Group, DIMSET DICHEP, Università Degli Studi de Genova Via Montallegro, 1, I-16145 Genova, Italy

J. Eng. Gas Turbines Power 126(3), 516-523 (Aug 11, 2004) (8 pages) doi:10.1115/1.1719029 History: Received December 01, 2001; Revised March 01, 2002; Online August 11, 2004
Copyright © 2004 by ASME
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References

Iwata,  M., Hikosaka,  T., Morita,  M., Iwanari,  T., Ito,  K., Onda,  K., Esaki,  Y., Sakaki,  Y., and Nagata,  S., 2000, “Performance Analysis of Planar-Type Unit SOFC Considering Current and Temperature Distributions,” Solid State Ionics, 132, p. 297.
Hall,  D. J., and Colclaser,  R. G., 1999, “Transient Modeling and Simulation of a Tubular Solid Oxide Fuel Cell,” IEEE T. Energy Conver.,14, p. 749.
Bessette,  N. F., and Wepfer,  W. J., 1996, “Electrochemical and Thermal Simulation of a Solid Oxide Fuel Cell,” Chem. Eng. Commun., 147, p. 1.
Ferguson,  J. R., Fiard,  J. M., and Herbin,  R., 1996, “Three-Dimensional Numerical Simulation for Various Geometries of Solid Oxide Fuel Cells,” J. Power Sources, 58, p. 109.
Achenbach,  E., 1994, “3-Dimensional and Time-Dependent Simulation of a Planar Solid Oxide Fuel-Cell Stack,” J. Power Sources, 49, p. 333.
Campanari, S., 1998, “Power Plants Based on Solid Oxide Fuel Cells Combined With Gas Turbine Cycles,” Ph.D. thesis (in Italian), Politecnico di Milano.
Costamagna,  P., Magistri,  L., and Massardo,  A. F., 2001, “Design and Part-Load Performance of a Hybrid System Based on a Solid Oxide Fuel Cell Reactor and a Micro Gas Turbine,” J. Power Sources, 96, p. 352.
Costamagna,  P., Arato,  E., Antonucci,  P. L., and Antonucci,  V., 1996, “Partial Oxidation of CH4 in Solid Oxide Fuel Cells: Simulation Model of the Electrochemical Reactor and Experimental Validation,” Chem. Eng. Sci., 51, p. 3013.
Costamagna,  P., and Honegger,  K., 1998, “Modeling of Solid Oxide Heat Exchanger Integrated Stacks and Simulation at High Fuel Utilization,” J. Electrochem. Soc., 145, p. 3995.
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Costamagna, P., Bozzo, R., Magistri, L., and Massardo, A. F., 2004, manuscript in preparation.
Singhal, S. C., 1997, Proc. 5th Int. Symposium on SOFC, “Recent Progress in Tubular Solid Oxide Fuel Cell Technology,” Electrochemical Proceedings, Volume 97–18, Aachen, June, p. 37.
Massardo,  A. F., and Lubelli,  F., 2000, “Internal Reforming Solid Oxide Fuel Cell-Gas Turbine Combined Cycles, Part I,” ASME J. Eng. Gas Turbines Power, 122, pp. 1–27.
Gardner,  F. J., Day,  M. J., Brandon,  N. P., Pashley,  M. N., and Cassidy,  M., 2000, “SOFC Technology Development at Rolls-Royce,” J. Power Sources, 86, pp. 122–129.

Figures

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Scheme of the SOFC group, including the SOFC stack, the mixer and the sensible heat reformer
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Distribution of temperature in the solid structure of the SOFC cell, evaluated through both the detailed and the simplified model
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Distribution of gases temperatures along the cell length
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Distribution of flow composition along the SOFC (results from the detailed model)
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Distribution of thermodynamic voltage along the SOFC (detailed simulation)
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Distribution of electrical resistances along the SOFC (detailed simulation)
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Distribution of electrical current along the SOFC cell, evaluated through both the detailed and the simplified model
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Mean solid temperature at steady-state conditions for different inlet gas temperatures and initial PEN temperature
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Simplified layout of the hybrid plant and design point data
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Mean solid temperature distribution along the cell length

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