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Investigating the Integration of a Solid Oxide Fuel Cell and a Gas Turbine System With Coal Gasification Technologies

[+] Author Affiliations
Dawson A. Plummer

U.S. Military Academy, West Point, NY

Comas Haynes, William Wepfer

Georgia Institute of Technology, Atlanta, GA

Paper No. HT2003-47324, pp. 105-109; 5 pages
doi:10.1115/HT2003-47324
From:
  • ASME 2003 Heat Transfer Summer Conference
  • Heat Transfer: Volume 1
  • Las Vegas, Nevada, USA, July 21–23, 2003
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 0-7918-3693-2 | eISBN: 0-7918-3679-7
  • Copyright © 2003 by ASME

abstract

Solid oxide fuel cell (SOFC) technology incorporates electrochemical reactions that generate electricity and high quality heat. The coupling of this technology with gas turbine bottoming cycles, to form hybrid power systems, leads to high efficiency levels. The purpose of this study is to conceptually integrate the hybrid power system with existing and imminent coal gasification technologies through computer simulation. The gasification technologies considered for integration include the Kellogg Brown Root (KBR) Transport Reactor and Entrained Coal Gasification. Parametric studies were performed to assess the effect of changes in pertinent fuel cell stack process settings such as operating voltage, inverse equivalence ratio and fuel utilization will be varied. Power output, system efficiency and costs are the chosen dependent variables of interest. Coal gasification data and a proven SOFC model program are used to test the theoretical integration. Feasibility and economic comparisons between the new integrated system and existing conventional systems are also made.

Copyright © 2003 by ASME

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