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The objective is to establish essential mechanisms for inclusion in a simple mathematical model of a multi-channel solid oxide fuel cell reactor. The gas flow in the fuel and air channels is laminar and pressure drop is not a problem. Axial heat transfer and radiation in the gas flows have little influence on temperature, the minimum air flow rate being determined by the cooling requirements. Similarly mass transfer of oxygen, fuel and reaction products is not rate limiting. The reforming reaction is rate limiting because of insufficient catalytic activity of the anode material (nickel cement). No definite conclusion is drawn on carbon formation as chemical equilibrium is not reached. In general, the gas flows can be described as plug flow to a good approximation.

Additional information

Authors: VAN HEUVEN J W, Apeldoorn (NL)
Bibliographic Reference: Paper presented: Modelling and Evaluation of Advanced SOFC, Hertenstein (CH), June 24-29, 1990
Availability: Available from (1) as Paper EN 35415 ORA
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