C-2 バイオ合成ガスを用いるSOFC-マイクロガスタービンハイブリッドシステムのシミュレーションとエクセルギー解析(サイクル,一般講演)

概要

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In pursuing of green power energy generation, fuel cell energy generation systems are one of the most promising applications for biomass utilization. In particular, the capability of utilizing a wide spectrum of fuels (natural gas, coal gas, landfill gas and biosyngas), makes high temperature solid oxide fuel cells (SOFC) the most suitable candidate for utilizing biomass as energy source. This paper presents a mathematical model developed in order to simulate 300kW-class biosyngas based SOFC-MGT (micro gas turbine) hybrid system. This study consists of two parts. The first part focuses on the development of one-dimensional simulation model for the co-flow and counter-flow types of direct internal reforming planar SOFC. In the second part, the developed one-dimensional model is applied to a SOFC-MGT hybrid system fuelled by biosyngas. Energy and exergy analysis of SOFC-MGT hybrid system are performed based on three typical biosyngas compositions: air-, oxygen- and steam-blown gasification processes.
2011-07-06