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  Model-based analysis of micro-separators for portable direct methanol fuel-cell systems

Zenith, F., Kraus, M., & Krewer, U. (2012). Model-based analysis of micro-separators for portable direct methanol fuel-cell systems. Computers & Chemical Engineering, 38, 64-73. doi:10.1016/j.compchemeng.2011.11.005.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0013-89A5-D Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0014-44C8-B
Genre: Journal Article

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 Creators:
Zenith, F.1, 2, Author              
Kraus, M.3, Author              
Krewer, U.1, 3, Author              
Affiliations:
1Otto-von-Guericke-Universität Magdeburg, External Organizations, ou_1738156              
2SINTEF Applied Cybernetics, Trondheim, Norway, persistent:22              
3Portable Energy Systems, Max Planck Institute for Dynamics of Complex Technical Systems, Max Planck Society, ou_1738152              

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 Abstract: The applicability of capillary separation to direct methanol fuel-cell systems is studied in this article from two complementary perspectives: a three-dimensional simulation with computational fluid dynamics of a gas-liquid separator, whose function is based on capillary forces rather than gravity, and a zero-dimensional model, which is integrated in the process model of a direct methanol fuel-cell system. The three-dimensional analysis indicates that an appropriate choice of construction and operation parameters allows to achieve almost perfect liquidgas separation, and that operation is not signicantly in uenced by orientation. The system-wide analysis indicates that the inclusion of such a capillary separator stabilises the system, allowing the use of simpler control strategies and removing the necessity of sensors dicult to implement. Copyright © 2012 Elsevier B.V. All rights reserved. [accessed January 2nd 2012]

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Language(s): eng - English
 Dates: 2012
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: Peer
 Identifiers: eDoc: 575720
DOI: 10.1016/j.compchemeng.2011.11.005
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Title: Computers & Chemical Engineering
Source Genre: Journal
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Pages: - Volume / Issue: 38 Sequence Number: - Start / End Page: 64 - 73 Identifier: -