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용융탄산염 연료전지 anode 유로 채널에서의 가스 유동 분포에 관한 수치해석적 연구
조준현(Junhyun Cho),하태훈(Taehun Ha),김한상(Han-Sang Kim),민경덕(Kyoungdoug Min),박종훈(Jonghoon Park),장인갑(Ingab Chang),이태원(Taewon Lee) 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
A three-dimensional computational fluid dynamics (CFD) analysis is performed to investigate flow characteristics in the anode channels and manifold of the internal reforming type molten carbonate fuel cell (MCFC). Considering the computational difficulties associated with the size and geometric complexity of the MCFC system, the polyhedral meshes that can reduce mesh connectivity problems at the intersection of the channel and the manifold are adopted and chemical reactions inside the MCFC system are not included. Through this study, the gas flow rate uniformity of the anode channels is mainly analyzed to provide basic insights into improved design parameters for anode flow channel design. Results indicate that the uniformity in flow-rate is in the range of ±1% between the anode channels. Also, the mal-distributed inlet flow-rate conditions and the change in the size of the manifold depth have no significant effect on the flow-rate uniformity of the anode channels.
용융탄산염 연료전지 Anode 유로 채널에서의 가스 유동 분포에 관한 수치해석적 연구
조준현(Junhyun Cho),하태훈(Taehun Ha),김한상(Han-Sang Kim),민경덕(Kyoungdoug Min),박종훈(Jonghoon Park),장인갑(Ingab Chang),이태원(Taewon Lee) 대한기계학회 2009 大韓機械學會論文集B Vol.33 No.11
A three-dimensional computational fluid dynamics (CFD) analysis is performed to investigate flow characteristics in the anode channels and manifold of the internal reforming type molten carbonate fuel cell (MCFC). Considering the computational difficulties associated with the size and geometric complexity of the MCFC system, the polyhedral meshes that can reduce mesh connectivity problems at the intersection of the channel and the manifold are adopted and chemical reactions inside the MCFC system are not included. Through this study, the gas flow rate uniformity of the anode channels is mainly analyzed to provide basic insights into improved design parameters for anode flow channel design. Results indicate that the uniformity in flow-rate is in the range of ±1% between the anode channels. Also, the mal-distributed inlet flow-rate conditions and the change in the size of the manifold depth have no significant effect on the flow-rate uniformity of the anode channels.