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Modeling of various transport processes in a natural gas reformer

Författare

Summary, in English

In this study, a three-dimensional calculation method has been developed to simulate and analyze steam reforming of natural gas, and the effects on various transport processes in a duct from a compact steam reformer. The reformer conditions such as the combined thermal boundary conditions on solid walls, mass balances associated with the reforming reactions and gas permeation to/from the porous catalyst layer are applied in the analysis. Momentum and heat transport together with fuel gas species equations have been solved by coupled source terms and variable thermo-physical properties (such as density, viscosity, specific heat, etc.) of the fuel gas mixture. The predicted results are presented and discussed for a composite duct consisting of a porous catalyst reaction area, the flow duct and solid layers. Parametric studies are conducted and the results show that the variables, such as fuel reformer temperatures and duct configuration, have significant effects on the transport processes and reformer performance. Copyright

Avdelning/ar

Publiceringsår

2005

Språk

Engelska

Sidor

523-530

Publikation/Tidskrift/Serie

Proceedings of the 3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005

Dokumenttyp

Konferensbidrag

Förlag

American Society Of Mechanical Engineers (ASME)

Ämne

  • Energy Engineering

Nyckelord

  • Porous catalysts
  • Natural gas reformer
  • Mass balances

Conference name

3rd International Conference on Fuel Cell Science, Engineering, and Technology, 2005

Conference date

2005-05-23 - 2005-05-25

Conference place

Ypsilanti, MI, United States

Status

Published

ISBN/ISSN/Övrigt

  • ISBN: 0791837645