Thermo-electrochemical and thermal stress analysis for an anode-supported SOFC cell

Lieh-Kwang Chiang, Hui-Chung Liu, Yao-Hua Shiu, Chien-Hsiung Lee and Ryey-Yi Lee

Renewable Energy, 2008, vol. 33, issue 12, 2580-2588

Abstract: The main objective of this paper is to evaluate the fuel/oxidant gas distributions as well as thermal stresses of an anode-supported solid oxide fuel cell (SOFC) test cell under different operating conditions. In this study, the commercial computational fluid dynamics (CFD) code Star-CD with es-sofc module is employed to simulate the current–voltage (I–V) characteristics and to provide the temperature field of the cell to the commercial code MARC for further thermal stress analysis. Structural and fluid elements are built by preprocessing codes PATRAN and GRIDGEN, respectively. The simulation results indicate that the cells experience higher principal stresses at lower cell voltages due to a higher local current density and a higher temperature gradient.

Keywords: SOFC; Computational fluid dynamics; Thermal stress analysis (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (10)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:33:y:2008:i:12:p:2580-2588

DOI: 10.1016/j.renene.2008.02.023

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