Modeling of Cross-Flow Stack: Sensitivity to Thermal Properties of the Materials | Zendy

Diego Larrain | Zendy

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Modeling of Cross-Flow Stack: Sensitivity to Thermal Properties of the Materials

Author(s) -

Diego Larrain

Publication year - 2003

Publication title -

ecs proceedings volumes

Language(s) - English

Resource type - Journals

eISSN - 2576-1579

pISSN - 0161-6374

DOI - 10.1149/200307.1478pv

Subject(s) - stack (abstract data type) , thermal , materials science , anode , planar , interconnection , thermal conductivity , sensitivity (control systems) , flow (mathematics) , nuclear engineering , work (physics) , mechanics , mechanical engineering , electronic engineering , computer science , engineering , composite material , thermodynamics , physics , computer network , computer graphics (images) , electrode , quantum mechanics , programming language

LENI activities in SOFC are focused on development of a new planar stack concept based on anode supported cells in collaboration with the company HTceramix SA. Modeling of repeat element, stack and systems is starting in parallel. This work presents a model of a SOFC stack in cross flow configuration. Concentrations, temperature and current density fields are computed, with a focus on sensitivity study for thermal parameters, while operating parameters are kept constant for the different cases. The main parameter considered was the thickness of the metallic interconnect and the related thermal conductivity. Stack height and cell size effects are presented as well. Importance of the temperature field on the design point and degradation behavior is briefly discussed.

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