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Two-Phase Flow Analysis in a Cathode Duct of PEFCs

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Author

Summary, in English

A three-dimensional calculation method has been further developed to include two-phase, multi-component gas and heat transport processes. A set of momentum, heat transport and gas species equations have been solved for the whole duct by coupled source terms and variable thermophysical properties. The effects of the electrochemical reactions on the heat generation and mass consumption/generation have been taken into account as well. Liquid water saturation and its effects on the local current density has been predicted based on the calculated values of water vapor partial pressure and temperature. The unique fuel cell conditions, such as the combined thermal boundary conditions and mass transfer, have been employed as well. (C) 2004 Elsevier Ltd. All rights reserved.

Department/s

Publishing year

2004

Language

English

Pages

677-683

Publication/Series

Electrochimica Acta

Volume

50

Issue

2-3

Document type

Journal article

Publisher

Pergamon Press Ltd.

Topic

  • Energy Engineering

Keywords

  • current density
  • modeling
  • cathode
  • PEFC
  • two-phase flow

Conference name

Polymer Batteries and Fuel Cells: First International Conference

Conference date

2003-06-01 - 2003-06-06

Status

Published

ISBN/ISSN/Other

  • ISSN: 0013-4686