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Gas flow and heat transfer with internal reforming reactions in an anode duct of SOFCs

In English

Författare

Summary, in English

A fully three-dimensional calculation method has been farther developed to simulate and analyze internal reforming and its effects on various processes in a thick anode duct. In this study, the composite duct consists of a porous anode, the flow duct and solid current connector. Momentum and heat transport together with gas species equations have been solved by coupled source terms and variable thermophysical properties (such as density, viscosity, specific heat, etc.) of the fuel gas mixture. The fuel cell conditions such as the combined thermal boundary conditions on solid walls, mass balances (generation and consumption) associated with the reactions and gas permeation to/from the porous electrode are applied in the analysis. Simulation results show that the internal reforming reactions are significant to fuel gas transport and heat transfer in the anode.

Avdelning/ar

Publiceringsår

2005

Språk

Engelska

Sidor

719-728

Publikation/Tidskrift/Serie

Proceedings - Electrochemical Society

Volym

PV 2005-07

Dokumenttyp

Konferensbidrag

Förlag

Electrochemical Society

Ämne

  • Energy Engineering

Nyckelord

  • Current connectors
  • Gas mixture
  • Gas permeation
  • Heat transport

Conference name

9th International Symposium on Solid Oxide Fuel Cells, SOFC IX

Conference date

2005-05-15 - 2005-05-20

Conference place

Quebec, Canada

Status

Published