Date of download: 11/13/2017 Copyright © ASME. All rights reserved. From: Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells J. Fuel Cell Sci. Technol. 2008;5(3):031005-031005-9. doi:10.1115/1.2894469 Figure Legend: Dependence of the thermal efficiency ηT of the considered combined SOFC-gas turbine cycle on operational-circuit fuel cell voltage Vs. Values are for 1mol of methane consumed in the combined SOFC-gas turbine cycle.

Date of download: 11/13/2017 Copyright © ASME. All rights reserved. From: Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells J. Fuel Cell Sci. Technol. 2008;5(3):031005-031005-9. doi:10.1115/1.2894469 Figure Legend: Fuel cell polarization (voltage versus current density) and power density curves (modified from Ref. )

Date of download: 11/13/2017 Copyright © ASME. All rights reserved. From: Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells J. Fuel Cell Sci. Technol. 2008;5(3):031005-031005-9. doi:10.1115/1.2894469 Figure Legend: Exergy losses for the devices in the system considered in the illustrative example (Vs=0.61V(ηs=0.20)). Numerical column labels denote devices in Fig. . Values are for 1mol of methane consumed in the combined SOFC-gas turbine cycle.

Date of download: 11/13/2017 Copyright © ASME. All rights reserved. From: Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells J. Fuel Cell Sci. Technol. 2008;5(3):031005-031005-9. doi:10.1115/1.2894469 Figure Legend: Variations of electrical work We, mechanical work W, total exergy losses, and the exergy losses in the SOFC stack and combustion chamber with operational-circuit fuel cell voltage Vs. Values are for 1mol of methane consumed in the combined SOFC-gas turbine cycle.

Date of download: 11/13/2017 Copyright © ASME. All rights reserved. From: Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells J. Fuel Cell Sci. Technol. 2008;5(3):031005-031005-9. doi:10.1115/1.2894469 Figure Legend: Variation of fuel (Uf) and oxygen (UO2) utilization factors with operational-circuit fuel cell voltage Vs

Date of download: 11/13/2017 Copyright © ASME. All rights reserved. From: Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells J. Fuel Cell Sci. Technol. 2008;5(3):031005-031005-9. doi:10.1115/1.2894469 Figure Legend: Variation of operational-circuit fuel cell voltage Vs and number of moles of oxygen nO2 that penetrate through the ion-conductive membrane (electrolyte) of the fuel cell with efficiency ηs of the fuel cell stack. Values are for 1mol of methane consumed in the combined SOFC-gas turbine cycle.

Date of download: 11/13/2017 Copyright © ASME. All rights reserved. From: Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells J. Fuel Cell Sci. Technol. 2008;5(3):031005-031005-9. doi:10.1115/1.2894469 Figure Legend: Typical temperature profiles of countercurrent flows in the evaporator (Device 9 in Fig. )

Date of download: 11/13/2017 Copyright © ASME. All rights reserved. From: Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells J. Fuel Cell Sci. Technol. 2008;5(3):031005-031005-9. doi:10.1115/1.2894469 Figure Legend: Typical temperature profiles of countercurrent flows in the heat exchangers (Devices 6–8 in Fig. )

Date of download: 11/13/2017 Copyright © ASME. All rights reserved. From: Exergy Analysis of a Gas Turbine Cycle With Steam Generation for Methane Conversion Within Solid Oxide Fuel Cells J. Fuel Cell Sci. Technol. 2008;5(3):031005-031005-9. doi:10.1115/1.2894469 Figure Legend: Operation of a SOFC with internal methane reforming into hydrogen and carbon monoxide