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  Direct methanol fuel cell (DMFC) : analysis of residence time behaviour of anodic flow bed

Krewer, U., Song, Y., Sundmacher, K., John, V., Lübke, R., Matthies, G., et al. (2004). Direct methanol fuel cell (DMFC): analysis of residence time behaviour of anodic flow bed. Chemical Engineering Science, 59(1), 119-130. doi:10.1016/j.ces.2003.09.029.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-9EC7-5 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0018-D8ED-4
Genre: Journal Article

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 Creators:
Krewer, Ulrike1, Author              
Song, Y.1, Author              
Sundmacher, Kai1, 2, Author              
John, V.2, Author
Lübke, R.2, Author
Matthies, G.2, 3, Author
Tobiska, L.2, Author
Affiliations:
1Process Systems Engineering, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738151              
2Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              
3Ruhr-Universität, Bochum, Fakultät für Mathematik, ou_persistent22              

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 Abstract: This paper studies the residence time behaviour and concentration distribution in a simplified rhomboidal DMFC anode flow bed by 3D numerical flow simulations and by experimental measurements. The rhomboidal DMFC anode flow bed and the applied volume flow are discussed with regard to data given in the literature. Simulations with CFX, based on Finite Volume Method, and MooNMD, based on Finite Element Method, show strongly similar results and the reliability of the computed residence time distributions (RTD) is proved by showing that they depend only slightly on parameters of the numerical schemes applied. The realisation of the RTD and concentration distribution measurements are described. Experimentally obtained RTD results are in good agreement with the numerical simulations. Also, the experimentally obtained concentration distribution inside the anode flow bed is very similar to the computed distribution. By analysing the RTDs and concentration distributions, the obtained results provided evidence of weaknesses of the flow bed design. Copyright © 2013 Elsevier B.V. All rights reserved. [accessed 2013 August 20th]

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Language(s): eng - English
 Dates: 2004
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 208073
DOI: 10.1016/j.ces.2003.09.029
Other: 7/04
 Degree: -

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Title: Chemical Engineering Science
Source Genre: Journal
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Pages: - Volume / Issue: 59 (1) Sequence Number: - Start / End Page: 119 - 130 Identifier: -