NDLI: System Configuration and Performance Studies of Solid Oxide Fuel Cell -Gas Turbine Hybrid Cycle

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Jiang, Wei Fang, Ruxian Jamil, A. Khan Roger, A. Dougal
Copyright Year	2007
Abstract	Fuel Cell is widely regarded as a potential alternative in the electric utility due to its distinct advantages of high energy conversion efficiency, low environmental impact and flexible uses of fuel types. In this paper we demonstrate the enhancement of thermal efficiency and power density of the power plant system by incorporating a hybrid cycle of Solid Oxide Fuel Cell (SOFC) and gas turbine with appropriate configurations. In this paper, a hybrid system composed of SOFC, gas turbine, compressor and high temperature heat exchanger is developed and simulated in the Virtual Test Bed (VTB) computational environment. The one-dimensional tubular SOFC model is based on the electrochemical and thermal modeling, accounting for the voltage losses and temperature dynamics. The single cell is discretized using a finite volume method where all the governing equations are solved for each finite volume. Simulation results show that the SOFC-GT hybrid system could achieve a 70% total electrical efficiency (LHV) and an electrical power output of 853KW, around 30% of which is produced by the power turbine. Two conventional power plant systems, i.e. gas turbine recuperative cycle and pure Fuel Cell power cycle, are also simulated for the performance comparison to validate the improved performance of Fuel Cell/Gas Turbine hybrid system. Finally, the dynamic behavior of the hybrid system is presented and analyzed based on the system simulation.
Sponsorship	Heat Transfer Division
Starting Page	63
Ending Page	70
Page Count	8
File Format	PDF
ISBN	0791842754
DOI	10.1115/HT2007-32671
e-ISBN	0791838013
Volume Number	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference, Volume 2
Conference Proceedings	ASME/JSME 2007 Thermal Engineering Heat Transfer Summer Conference collocated with the ASME 2007 InterPACK Conference
Language	English
Publisher Date	2007-07-08
Publisher Place	Vancouver, British Columbia, Canada
Access Restriction	Subscribed
Subject Keyword	Power density Cycles Solid oxide fuel cells Temperature Accounting Thermodynamic power cycles Compressors Heat exchangers High temperature Electrical efficiency Fuels Modeling Electricity (physics) Finite volume methods Gas turbines Simulation results Simulation Dynamics (mechanics) Fuel cells Energy conversion Power stations Thermal efficiency Turbines
Content Type	Text
Resource Type	Article

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Sensitivity Analysis of a SOFC-GT Based Power Cycle

Exergy Analysis of a Solid Oxide Fuel Cell-Gas Turbine Hybrid Power Plant

A Comparative Study on the Options in Combining Solid Oxide Fuel Cell With Gas Turbine

Multi-Stage Solid Oxide Fuel Cell–Gas Turbine Combined Cycle Hybrid Power Plant System

Thermodynamic Analysis of Solid Oxide Fuel Cell and Gas Turbine Hybrid System Fueled With Gasified Biomass

Performance Analysis of Evaporative Biomass Air Turbine Cycle With Gasification for Topping Combustion

Simulation Study on a Hybrid Solid Oxide Fuel Cell (SOFC)–Heat Recovery Steam Generator (HRSG)–Gas Turbine in IGCC Power Plant

Off-Design Performance Analysis of a Solid-Oxide Fuel Cell/Gas Turbine Hybrid for Auxiliary Aerospace Power

Optimization of a Solid Oxide Fuel Cell and Gas Turbine Hybrid System

System Configuration and Performance Studies of Solid Oxide Fuel Cell -Gas Turbine Hybrid Cycle

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