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Analysis Of Heat Transfer And Transport Processes In Sofcs Involving Internal Reforming Reactions

Yang, Guogang ; Yue, Danting ; Lu, Xinrong and Yuan, Jinliang LU (2009) 4th International Green Energy Conference 6(5). p.466-478
Abstract
The heat transfer rates in solid oxide fuel cells (SOFCs) are controlled by various operating and design parameters and have significant effects on chemical reactions and coupled transport processes. In this article, the considered composite duct consists of a porous anode layer for the internal reforming reactions of methane, the fuel gas flow duct, and the solid plate. A fully three-dimensional calculation code is employed to analyze heat transfer and combined effects of internal reforming/electrochemical reactions on the coupled transport processes, with the purpose to reveal the importance of various parameters. The results show that the internal reforming reactions are mostly confined within 200-300 mu m into the anode porous layer... (More)
The heat transfer rates in solid oxide fuel cells (SOFCs) are controlled by various operating and design parameters and have significant effects on chemical reactions and coupled transport processes. In this article, the considered composite duct consists of a porous anode layer for the internal reforming reactions of methane, the fuel gas flow duct, and the solid plate. A fully three-dimensional calculation code is employed to analyze heat transfer and combined effects of internal reforming/electrochemical reactions on the coupled transport processes, with the purpose to reveal the importance of various parameters. The results show that the internal reforming reactions are mostly confined within 200-300 mu m into the anode porous layer and almost no methane reaches the triple phase boundary (TPB) after the first 10% of the duct length. The operating temperatures have significant effects on the chemical reactions, fuel gas distribution, and overall performance. This study also evaluated the convective heat transfer in the fuel flow duct, in terms of interface thermal boundary/temperature gradients and convective heat transfer coefficients. (Less)
Please use this url to cite or link to this publication:
author
; ; and
organization
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
keywords
Transfer Process, SOFC, Reforming Reaction
host publication
International Journal of Green Energy
volume
6
issue
5
pages
466 - 478
publisher
Taylor & Francis
conference name
4th International Green Energy Conference
conference location
Beijing, China
conference dates
2008-10-20 - 2008-10-22
external identifiers
  • wos:000273991400006
ISSN
1543-5083
1543-5075
DOI
10.1080/15435070903228001
language
English
LU publication?
yes
id
ff7e814b-3151-46d7-bd64-96f4c80f0717 (old id 1546455)
date added to LUP
2016-04-01 11:52:54
date last changed
2018-11-21 20:01:19
@inproceedings{ff7e814b-3151-46d7-bd64-96f4c80f0717,
  abstract     = {The heat transfer rates in solid oxide fuel cells (SOFCs) are controlled by various operating and design parameters and have significant effects on chemical reactions and coupled transport processes. In this article, the considered composite duct consists of a porous anode layer for the internal reforming reactions of methane, the fuel gas flow duct, and the solid plate. A fully three-dimensional calculation code is employed to analyze heat transfer and combined effects of internal reforming/electrochemical reactions on the coupled transport processes, with the purpose to reveal the importance of various parameters. The results show that the internal reforming reactions are mostly confined within 200-300 mu m into the anode porous layer and almost no methane reaches the triple phase boundary (TPB) after the first 10% of the duct length. The operating temperatures have significant effects on the chemical reactions, fuel gas distribution, and overall performance. This study also evaluated the convective heat transfer in the fuel flow duct, in terms of interface thermal boundary/temperature gradients and convective heat transfer coefficients.},
  author       = {Yang, Guogang and Yue, Danting and Lu, Xinrong and Yuan, Jinliang},
  booktitle    = {International Journal of Green Energy},
  issn         = {1543-5083},
  language     = {eng},
  number       = {5},
  pages        = {466--478},
  publisher    = {Taylor & Francis},
  title        = {Analysis Of Heat Transfer And Transport Processes In Sofcs Involving Internal Reforming Reactions},
  url          = {http://dx.doi.org/10.1080/15435070903228001},
  doi          = {10.1080/15435070903228001},
  volume       = {6},
  year         = {2009},
}