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International Heat Transfer Conference 12

ISSN: 2377-424X (online)
ISSN: 2377-4371 (flashdrive)

Numerical Studies of Solid Oxide Fuel Cells

Steven B. Beale
Institute of Energy and Climate Research, IEK-3 Forschungszentrum Jülich GmbH 52425 Jülich, Germany

Sergei V. Zhubrin
Moscow Power Engineering Institute; Concentration Heat and Momentum, 40 High Street, Wimbledon Village, London, SW19 5AU, United Kingdom

Wei Dong
National Research Council, 1500 Montreal Road, Ottawa, Ontario K1A OR6, Canada

Abstract

This paper describes a program of research aimed at improved mathematical models of fuel cells. Three distinct models were developed based on (a) a detailed numerical model of flow, heat and mass transfer (b) a flow-based distributed resistance approach, and (c) a presumed-flow method. Each of these methods has merits and drawbacks. The models were used to investigate the temperature variations in a fuel cell stack under typical operating conditions. The models and results obtained are discussed in detail.

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