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TECHNICAL PAPERS: Gas Turbines: Cycle Innovations

Internal Reforming Solid Oxide Fuel Cell-Gas Turbine Combined Cycles (IRSOFC-GT): Part A—Cell Model and Cycle Thermodynamic Analysis

[+] Author and Article Information
A. F. Massardo, F. Lubelli

Dipartimento di Macchine Sistemi Energetici e Trasporti Universita di Genova, Via Montallegro 1, 16145 Genova, Italia

J. Eng. Gas Turbines Power 122(1), 27-35 (Oct 20, 1999) (9 pages) doi:10.1115/1.483187 History: Received March 31, 1998; Revised October 20, 1999
Copyright © 2000 by ASME
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References

Figures

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Cell current density influence on IRSOFC voltage versus operative pressure
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Operative pressure influence on IRSOFC power ratio (P/PST) versus current density
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Cathode and anode inlet temperature influence on IRSOFC power ratio (P/PST) versus current density
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Fuel and oxidant influence on IRSOFC power ratio (P/PST) versus current density
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(a) IRSOFC temperature versus oxidant and fuel flow ratios. (b) IRSOFC efficiency versus oxidant and fuel flow ratios.
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Oxidant chemical composition influence on IRSOFC voltage ratio (V/VST) versus current density
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Fuel composition influence on IRSOFC specific work versus current density (O2 utilization factor is constant)
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(a) IRSOFC temperature versus fuel flow ratio and operative pressure. (b) IRSOFC efficiency versus fuel flow ratio and operative pressure.
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Fuel to air ratio influence on FCGT1 plant efficiency versus compressor pressure ratio (current density 3000 A/m2 )
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External reformer operative condition influence on FCGT1 efficiency versus pressure ratio (mf/mair=3.5 percent)
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External reformer operative conditions influence on FCGT2 efficiency versus pressure ratio (mf/mair=3.0 percent)
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External reformer operative conditions influence on FCGT2 efficiency versus pressure ratio (mf/mair=3.5 percent)
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FCGT1 and FCGT2 efficiencies versus specific work (Δpc=0)
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Fuel to air ratio influence on FCGT3 plant efficiency versus system pressure ratio (ext. ref. at equilibrium)
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External reformer operative conditions influence on FCGT3 efficiency versus system pressure ratio (mf/mair=3.0 percent)
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Fuel to air ratio influence on FCGT4 plant efficiency versus system pressure ratio (ext. ref. at equilibrium)
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Fuel to air ratio influence on FCGT4 plant efficiency versus specific work (Δpc=0%)
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IRSOFC temperature and combined IRSOFC-GT plant efficiency versus cell current density (ρST=3000 A/m2)

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