Flow field design development using the segmented cell approach

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We report on fuel cell flow-field development employing two-dimensional computational fluid dynamics (2-D CFD). Simulation of the flow distribution of a parallel channel flow-field, with a simple one-channel manifold, predicted inhomogeneous performance distribution within the cell. Further modeling, focusing on modification of the inlet and outlet flow fields, was used to predict a more homogeneous flow distribution in the flow-field. Attempts were made to verify the theoretical predictions experimentally by application of the segmented cell system. Measurements of the current distribution and CO transient response supported the 2-D CFD predictions. However, the margin of error between predicted and experimental results ... continued below

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15 p.

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Bender, G. (Guido) & Ramsey, J. C. (John C.) January 1, 2002.

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Description

We report on fuel cell flow-field development employing two-dimensional computational fluid dynamics (2-D CFD). Simulation of the flow distribution of a parallel channel flow-field, with a simple one-channel manifold, predicted inhomogeneous performance distribution within the cell. Further modeling, focusing on modification of the inlet and outlet flow fields, was used to predict a more homogeneous flow distribution in the flow-field. Attempts were made to verify the theoretical predictions experimentally by application of the segmented cell system. Measurements of the current distribution and CO transient response supported the 2-D CFD predictions. However, the margin of error between predicted and experimental results was considered insufficient to be of practical use. Future work will involve the evaluation of 3-D CFD to achieve the appropriate level of accuracy.

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15 p.

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  • Submitted to: ECS meeting, Fall 2002, 10/20/2002-10/25/2002

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  • Report No.: LA-UR-02-6715
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 976412
  • Archival Resource Key: ark:/67531/metadc926572

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Office of Scientific & Technical Information Technical Reports

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  • January 1, 2002

Added to The UNT Digital Library

  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 12, 2016, 3:55 p.m.

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Bender, G. (Guido) & Ramsey, J. C. (John C.). Flow field design development using the segmented cell approach, article, January 1, 2002; United States. (digital.library.unt.edu/ark:/67531/metadc926572/: accessed September 24, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.