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http://dx.doi.org/10.5762/KAIS.2011.12.7.2939

A Study on the Estimation of Homogeneous Physical Properties of Molten Carbonate Fuel Cell Stacks  

Lee, Sang-Wook (Department of Mechanical Engineering, Soonchunhyang University)
Suh, Yong-S. (Department of Mechanical Engineering, California State University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.12, no.7, 2011 , pp. 2939-2944 More about this Journal
Abstract
The performance and efficiency of a Molten Carbonate Fuel Cell system will improve with the aids of numerical simulations such as finite element analysis. For best simulation results, the virtual model must accurately reflect the actual model including the material properties. It is very difficult, however, to make a detailed numerical model of the stack that consists of hundreds of layers of unit cells composed of various materials like metal, ceramics, polymer, etc. Instead, a practical approach is to find a homogenized material property of the stack as a whole as an approximate replacement. In this paper, the compression ratio of a unit cell is introduced, and a new method is proposed to estimate the homogeneous material properties for both the active and the manifold regions of the stack under the assumption that the compressive deformation occurs only at the separators and matrices in the unit cells. The estimated properties are applied successfully to simulating an actual stack.
Keywords
Molten Carbonate Fuel Cell (MCFC); Stack Modeling; Homogenized Material Properties;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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