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Analysis Strategies for Tubular SOFC Based Hybrid Systems

[+] Author Affiliations
A. D. Rao, G. S. Samuelsen

University of California, Irvine, CA

Paper No. 2000-GT-0553, pp. V002T02A067; 8 pages
doi:10.1115/2000-GT-0553
From:
  • ASME Turbo Expo 2000: Power for Land, Sea, and Air
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Munich, Germany, May 8–11, 2000
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7855-2
  • Copyright © 2000 by ASME

abstract

The emergence of fuel cell systems and hybrid fuel cell systems requires the evolution of analysis strategies for evaluating thermodynamic performance and directing design and development. A description and application of the recently developed tool for analyzing tubular SOFC based systems is presented. The capabilities of this tool include an analytical model for the tubular SOFC as well as the secondary equipment required to analyze hybrid power plants. Examples of such secondary equipment are gas turbine, reformer, partial oxidation reactor, shift reactor, humidifier, steam turbine, compressor, gas expander, heat exchanger and pump. In addition to these equipment models, modules required for performing functions such as separating a component from a stream, splitting a stream or combining streams are also included. A “Solver” is included which is essential for modeling systems to automatically iterate in order to meet the desired process or system design criteria such as maintaining a specified steam to carbon ratio in the reformer feed stream or a specified temperature difference between two streams in the system. Another important capability that is included is to be able to arrange the various components or modules as defined by the user in order to configure different hybrid systems.

Copyright © 2000 by ASME

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