J0802-2-4 固体酸化物形燃料電池の動特性解析 : 負荷変動時の空気および燃料流量操作に関する検討([J0802-2]SOFC(1))

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This paper presents a numerical analysis on dynamic behavior of a solid oxide fuel cell (SOFC). The SOFC module which adopted indirect internal reforming within the system, was considered for the present numerical modeling. The present numerical modeling calculated mass balance considering fuel reforming reactions and electrochemical reactions. For solving unsteady energy equations, heat transfer occurring in the system was considered. The unsteady energy equations were solved with explicit method. For load following operation, the current was assumed to be operated. Air and fuel flow rates were assumed to be changed with the current operation, respectively. Operating air and fuel flow rates respectively with current density down, drop of cell average temperature was reduced, then it led to higher voltage and power output. The efficient system operation can be achieved by operating both of air and fuel flow rates with current density operation.
一般社団法人日本機械学会の論文
2010-09-04