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Title: Development and Numerical Prediction of a Comprehensive Analytical Model of an Indirect-Internal-Reforming Tubular SOFC
Authors: Nishino, Takafumi
Author's alias: 西野, 貴文
Keywords: Solid Oxide Fuel Cell
Internal Reforming
Numerical Model
Issue Date: 9-Feb-2004
Publisher: Kyoto University
Abstract: A comprehensive analytical model of an indirect internal reforming type tubular Solid Oxide Fuel Cell (IIR-T-SOFC) has been developed. Two-dimensional axisymmetric multicomponent gas flow fields and quasi-three-dimensional electric potential/current fields in the tubular cell are simultaneously treated in the model with consideration of the involved phenomena such as internal reforming, electrochemical reactions and radiative heat transfer. By using this model, the characteristics of the operating state of an IIR-T-SOFC were numerically examined. As a result, it was shown how the thermal field and power generation characteristics of the cell were affected by the gas inlet temperature, air flow rate, steam-methane ratio, reforming catalyst distribution and thickness of the electrodes. In particular, the optimized catalyst distribution greatly reduced both the maximum temperature and temperature gradients of the cell with little negative impact on the power generation performance of the cell.
Description: Master Thesis, Department of Mechanical Engineering
Conferring University: 京都大学
Degree Level: 修士
Degree Discipline: 修士(工学)
Conferral date: 2004-03-23
Appears in Collections:909 Master's Thesis (Philosophy (Engineering))

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